The measure of length EF is the triangle EFG has an area of 70 m² is 7.38m
How to calculate the area of a triangle?A triangle is a 2-dimensional shape with 3 sides and angles. The formula for calculating the area of a triangle is expressed as:
A = (EF)(FG) sin theta
If the ratio of EF to FG is 1:2, then FG = 2EF
A = (EF)(2EF) sin theta
70 = 2EF²sin40
70 = 1.2856EF²
EF² = 54.474
EF = 7.38m
Hence the measure of length EF is the triangle EFG has an area of 70 m² is 7.38m
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I’ve been stuck on this problem for the last 10 minutes and really need help! Here’s the problem:
Answer:
25.5
Step-by-step explanation:
the sum of an infinite geometric series with first term a and common ratio r<1 is given by a/(1-r).
------------------------------------
the sum of a given infinite geometric series is 200, and the common ratio is 0.15. What is the second term of this series?
Solve:
a/(1-r) = 200
a/0.85 = 200
a = 170 (that is the 1st term)
----
2nd term: a*r = 170*0.15 = 25.5
--------------------------------------
PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
[tex]\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}[/tex]
option ( c ) [tex]\huge\pink{1 \frac{2}{5} }[/tex]
step by step explanation -
well , the question asks us to find the difference between the two terms given as mixed fractions ~
tho it's not that difficult to simplify a problem in mixed fraction , but solving the problem by first converting it to an improper fraction reduces the risk of mistakes ! so let's do the question by that way ~
[tex]4 \frac{4}{5} - 3 \frac{2}{5} \\ \\ converting \: into \: improper \: fraction \: we \: get \\ \\ \implies \: \frac{5 \times 4 + 4}{5} \: \: - \: \: \frac{5 \times 3 + 2}{5} \\ \\ \implies \: \frac{24}{5} \: \: - \: \: \frac{17}{5} \\ \\ since \: the \: denominators \: are \: same \: we \: can \: simply \: subtract \: the \: terms \\ \\ \implies \: \frac{7}{5} [/tex]
we're done with our solution tho , but since the options given are in mixed fraction , so let's convert the improper fraction , obtained as the answer , into a mixed fraction !
[tex] \frac{7}{5} = 1 \frac{2}{5} \\ [/tex]
hope helpful :D
Answer:
1 2/5
Step-by-step explanation:
subtract it and then add it and u will have your answer
three teachers handed out math and science textbooks for their classes two teachers had 21 students each and the last teacher had 22 how many textbooks were handed out altogether
help me pls with this problem sooon
Answer:
64 textbooks
Step-by-step explanation:
the first two teachers had 21 students each that's 21+21=42
the other teacher had 22 students so apparently all the textbooks handed to the students are,21+21+22=64
In the tessellation below, what transformation(s) maps Brick A onto Brick B?
a glide reflection
a rotation followed by translation
a rotation followed by a reflection
reflection followed by a translation
Answer:
a rotation followed by a translation
Step-by-step explanation:
i did it
The rotation is followed by a translation.
We have given that,
a glide reflection
a rotation followed by a translation
a rotation followed by a reflection
reflection followed by a translation
We have to determine the tessellation below, and what transformation(s) maps Brick A onto Brick B.
What is rotation?
Rotation is the circular movement of an object around an axis of rotation. A three-dimensional object may have an infinite number of rotation axes.
Therefore the rotation is followed by a translation.
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This pattern follows the rule add 9. What are the next 3 terms?
An image of a pattern. Term one has 9 triangles, term two has eighteen triangles, term three has twenty seven triangles.
36, 45, 54
39, 48, 57
42, 51, 60
54, 63, 72
Answer: A
Step-by-step explanation: 27+9 = 36
Solve the equation to find X.
2.5+5.5-0.6x
Answer:
40/3
Step-by-step explanation:
-0.6X=-8
X=-8/-06
X=40/3
Which function is graphed on the right? y = 2x 3 – 2 y = 2x–3 2 y = 2x–2 3 y = 2x–2 – 3
The equation of the function which is graphed on the right is specified by: Option C: y = 2^{x-2} + 3
How to find the function which was used to make graph?There are many tools we can use to find the information of the relation which was used to form the graph.
A graph contains data of which input maps to which output.
Analysis of this leads to the relations which were used to make it.
For example, if the graph of a function is rising upwards after a certain value of x, then the function must be having increasingly output for inputs greater than that value of x.
If we know that the function crosses x axis at some point, then for some polynomial functions, we have those as roots of the polynomial.
Since there is no graph available, we will work with the image attached below.
The function, as visible is tending to output 3 and x goes more and more negative.
That means:
[tex]\lim_{x\rightarrow -\infty}f(x) = 3[/tex] (assuming the predicted pattern is true).
Checking this for all the options:
Case 1: [tex]y = f(x) = 2^{x+3} - 2[/tex]
[tex]\lim_{x\rightarrow -\infty}f(x) = \lim_{x\rightarrow -\infty} 2^{x+3} -2 = -2[/tex]
Thus, the graph doesn't belong to this function.
Case 2: [tex]y = f(x) = 2^{x-3} + 2[/tex]
[tex]\lim_{x\rightarrow -\infty} f(x) = \lim_{x\rightarrow -\infty}2^{x-3} + 2 = 2[/tex]
Thus, the graph doesn't belong to this function.
Case 3: [tex]y = f(x) = 2^{x-2} +3[/tex]
[tex]\lim_{x\rightarrow -\infty}f(x) = \lim_{x\rightarrow -\infty} 2^{x-2} +3 = 3[/tex]
Thus, the graph may belong to this function. (we are still not sure since the last option may also have same limit, which if is found to be true, then additional findings would've to be done too).
Case 4: [tex]y = f(x) = 2^{x-2} - 3[/tex]
[tex]\lim_{x\rightarrow -\infty}f(x) = \lim_{x\rightarrow -\infty} 2^{x-2} -3 = -3[/tex]
Thus, the graph doesn't belong to this function.
Thus, assuming at least one option is true, the graph of the considered function on the right is of the function [tex]y = f(x) = 2^{x-2} +3[/tex]
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Answer:
c
Step-by-step explanation:
Compare using >, <, or=.
3 miles
5,000 yards
Answer:
>
Step-by-step explanation:
1 mile =1760 yards
so 3 mile= 1760x3=5280yard
so, 5280 yards is more than 5000 yards
6 Résolvez les équations suivantes.
a. x + 4 = 12
d. -14 = 2x
b. x + 5,1 = x + x
e. 5 = 4x
C. 6x = x – 15
f. x + 8 = 2x + 3
=
=
X égal à combien
Answer:
Yo espero yo ayuda tu résolve estes équations
Step-by-step explanation:
a) x=8
b) x=-7
c) x=5,1
d) x=5/4
e) x=-3
f) x=5
Lo siento, mi español no son muy bien.
Which statement best describes the equation (x+5)^2+4(x+5)+12=0
Answer:
x^2 + 14x + 57 = 0
Step-by-step explanation:
(x+5)^2+4(x+5)+12 = 0
x^2 +10x + 25 + 4x + 20 + 12 = 0
x^2 + 14x + 57 = 0
Really appreciate it!!! Have a blessed day!!!!
Answer:
A.
Divide each dimension by scale factor of 5
Big Δ dimensions : Small Δ dimensions
35 : 7
30 : 6
15 : 3
a = 7 in
b = 6 in
c = 3 in
Hope this helps and God bless!
II. Let us see what you have learned in this module by
completing the following statements.
The Central Limit Theorem implies the following important
ideas in statistics:
1. The sample mean can be considered approximately
normally distributed if the sample size is
2. If the population is not normally distributed, or if we don't
know of its distribution, the
allows us to
conclude that the distribution of the sample mean will be
normal if the sample size is sufficiently large.
3. The population mean is equal to the
of the
sampling distribution. That is u = ur.
4. Mean of the sampling distribution of the sample mean is
equal to the population mean: H. - = H and the
of the sampling distribution of the sample
mean (sampling with replacement)
is equal to: 0,7
5. The Central Limit Theorem describes the
of the sample mean taken from a
population that is not normally distributed
o
A designer makes the sketch shown below for a new lamp. What is the approximate area of her sketch?
The lamp shade is a trapezoid. Its area is approximately square inches. The bases of the lamp are two trapezoids. The area of each is approximately square inches. In total, the area is approximately square inches.
The approximate area of the sketch for the new lamp is : A = 70 [tex]in^{2}[/tex]
What is a TrapeziumA trapezium is one pair of parallel sides and one pair of non-parallel sides.
from the diagram we can extract the necessary information needed to find the area of the trapezium.
for the first trapezium (lamp shade)
a = 4 in
b = 6 in
h = 6 in
[tex]A_{1}[/tex] = [tex]\frac{a + b}{2}[/tex] * h
[tex]A_{1}[/tex] = [tex]\frac{4 + 6}{2}[/tex] * 6
[tex]A_{1}[/tex] = [tex]\frac{10}{2}[/tex] * 6
[tex]A_{1}[/tex] = 5 * 6 = 30[tex]in^{2}[/tex]
For the area of the second trapezium (lamp base)
a = 4 in
b = 6 in
h = 4 in
[tex]A_{2}[/tex] = [tex]\frac{a + b}{2}[/tex] * h
[tex]A_{2}[/tex] = [tex]\frac{4 + 6}{2}[/tex] * 4
[tex]A_{2}[/tex] = [tex]\frac{10}{2}[/tex] * 4
[tex]A_{2}[/tex] = 5 * 4 = 20[tex]in^{2}[/tex]
For the area of the third trapezium (lamp base)
a = 6 in
b = 4 in
h = 4 in
[tex]A_{3}[/tex] = [tex]\frac{a + b}{2}[/tex] * h
[tex]A_{3}[/tex] = [tex]\frac{6 + 4}{2}[/tex] * 4
[tex]A_{3}[/tex] = [tex]\frac{10}{2}[/tex] * 4
[tex]A_{3}[/tex] = 5 * 4 = 20[tex]in^{2}[/tex]
The total Area of the trapezium (lamp)
A = [tex]A_{1}[/tex] + [tex]A_{2}[/tex] + [tex]A_{3}[/tex]
A = 30 + 20 + 20
A = 70 [tex]in^{2}[/tex]
Inconclusion The approximate area of the sketch for the new lamp is : A = 70 [tex]in^{2}[/tex]
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Answer:
Step-by-step explanation:
20, 30, 70
3 . 7 x - x =
Hurry please correct answers only fake answers will get you reported .
Answer:
20x
Step-by-step explanation:
You are ordering sweatshirts for your baseball team. How many more large sweatshirts than medium sweatshirts do you order?
Answer:
The answer is 10 and i know because im smart
Step-by-step explanation:
because im smart
Answer:
24
Step-by-step explanation:
add 8 and 12 and 4 and its 24
What is the surface area of this composite solid? Show your work.
Answer:
357.5ft^3
Step-by-step explanation:
solve for bottom reticular prism
8 * 10 * 4
320ft^3
solve for top triangular prism
((3*5)/2)*5
37.5ft^3
add top and bottom
320+37.5
357.5ft^3
Answer: 268ft^3
Step-by-step explanation: To solve, find the area of each side and add them all together.
8*4=32*2=64
10*4=40*2=80
10*5=50*2=100
8*3/2=12*2=24
64+80+100+24=268
Hope I helped <3
mean absolute deviation of 290
Answer:
3.5555555555556
Step-by-step explanation:
you cannot find the Mean Absolute Deviation of one number. This answer is the data set 2, 9, and 0. 3.5555555555556 is the Mean Absolute Deviation of 2, 9, 0.
Which is equivalent to
4x - 6y?
2(x - 3y) or -2(-2x + 3y)
I think it’s -2(-2x + 3y) but I am unsure because I got -4 instead of 4
Step-by-step explanation:
Find The distance between (5,2) and (5,0) on the coordinate Plane
Answer:
2
Step-by-step explanation:
2 is 2 away from 0
solve for n: -1/2 (n + 8) +3/4
[tex]\frac{1}{2} (n+8) + \frac{3}{4} [/tex]
[tex]\frac{1(n+8)}{2} + \frac{3}{4} [/tex]
[tex]\frac{n+8}{2} + \frac{3}{4} [/tex]
[tex]\frac{2(n+8)}{4} + \frac{3}{4} [/tex]
[tex]\frac{2(n+8) + 3}{4} [/tex]
[tex]\frac{2n + 16 +3}{4} [/tex]
[tex] \frac{2n + 19}{4} [/tex]
Jenny scored a 70% on a 50 point test while Hannah scored 80% on the same test. Enter the difference.
Answer:
5
Step-by-step explanation:
70% is 0.7, multiply 0.7×50=35 points on Jenny's test. Hannah scored 0.8×50=40 points on the test. Subtract 40-35 for the answer of 5
Vlad spent 20 minutes on his history homework and then completely solved x math problems that each took 2 minutes to complete. what is the equation that can be used to find the value of y, the total time that vlad spent on his homework, and what are the constraints on the values of x and y? y=2x 20; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 20. y=2x 20; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 20. y=20x 2; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 20. y=20x 2; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 20.
The expression for y is y = 2x +20; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 20
How to form mathematical expression from the given description?You can represent the unknown amounts by the use of variables. Follow whatever the description is and convert it one by one mathematically. For example if it is asked to increase some item by 4 , then you can add 4 in that item to increase it by 4. If something is for example, doubled, then you can multiply that thing by 2 and so on methods can be used to convert description to mathematical expressions.
What is domain and range of a function?Domain is the set of values for which the given function is defined.
Range is the set of all values which the given function can output.
We're given that:
Time spent by Vlad on history homework = 20 minutesTime spent by Vlad on math homework (x math problems) = 2 minutes on each problemy = time he spent on doing overall homeworkThen we have:
y = time on math homework + history homework
y = 2 +2 +2 ... (x times) + 20 minutes
[tex]y = 2x + 20[/tex]
x is "number of math problems". Thus, x can be 0,1,2,... These numbers are called non-negative integers(or integers greater or equal to 0) or whole numbers.
y is the time taken, but we see that
y = 2 times (non-negative integer) + 20
y = positive integer times non-negative integer + positive integer
Thus, we have:
y = non-negative integer + positive integer = positive integer
Thus, y assumes positive integral values only (in minutes).
Also, y is always going to be at least 20 (as history homework is going to take 20 minutes, even if math homework is nill ).
Thus, the expression for y is y = 2x +20; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 20
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To solve the following problem, use the 5-D Process. Define
a variable and write an expression for each column of your
table. In the first three football games of the season, Carlos gained three times as many yards as Alston. Travis gained ten yards
more than Carlos. Altogether, the three players gained a total
of 430 yards. How many yards did Carlos gain?
Answer:
c=3a=180
Step-by-step explanation:
c=3a,t=c+10 and a +t=430
a+3a+3a+10=430
7a=420
a=60
c=3a=180
10 squares and 8 circles. What is the simplest ratio of circles to total shapes?
Answer:
8:18
Step-by-step explanation:
In which quadrant does Ø lie if the following statement is true:
Look at the following rules for two number patterns. Both patterns start with 40.
Pattern P: "Subtract 2"
Pattern Q: "Subtract 4"
Answers are:
Excluding the first term, a term in Pattern P is always 2 greater than its corresponding term in Pattern Q.
Excluding the first term, a term in Pattern Q is always 4 greater than its corresponding term in Pattern P.
Starting with 0, the difference in the corresponding terms in the two patterns decreases by 4.
Starting with 0, the difference in the corresponding terms in the two patterns increases by 2.
Answer:
Starting with 0, the difference in the corresponding terms in the two patterns increases by 2.
Step-by-step explanation:
P Q Difference
1 40 40 0
2 38 36 2
3 36 32 4
4 34 28 6
5 32 24 8
6 30 20 10
7 28 16 12
8 26 12 14
9 24 8 16
10 22 4 18
==================
Answers are:
Excluding the first term, a term in Pattern P is always 2 greater than its corresponding term in Pattern Q.
Excluding the first term, a term in Pattern Q is always 4 greater than its corresponding term in Pattern P.
Starting with 0, the difference in the corresponding terms in the two patterns decreases by 4.
Starting with 0, the difference in the corresponding terms in the two patterns increases by 2.Find the value of c.
12 cm
с
40 cm
Perimeter
100 centimeters
C=
centimeters
Submit
Answer:
[tex]c + c \: + 40 + 12 = 100 \\ 2c + 52 = 100 \\ 2c = 100 - 52 \\ 2c = 48 \\ c = \frac{48}{2} \\ c = 24cm[/tex]
Answer: 24
Explanation: 12+40 is 52, perimeter is adding up all the sides. since perimeter is 100, then you have to see what numbers you add to get 100. 100-52 is 48. since there are 2 sides, you divide 48 by 2, which is 24.
I hope this is helpful xx
The perimeter of a rectanglular pool is 294 m. If thr width of the pool is 54 m what is its length
Answer:
L=93
Step-by-step explanation:
So basically you need to know the formula beforehand the formula to find the length of a rectangle what is P=2(l+w) so to find for L the equation will be L=P/2-W=294-54=93 Therefore 93 is L
FInd the value of x, between -π and π, satisfying the following inequality.
tan x < cos x
Answer:
(-1.570796, 0.666239) ∪ (1.570796, 2.475353)
Step-by-step explanation:
A graphing calculator can give you the numerical values that limit the intervals of the solution. The attachment shows this solution.
__
algebraic solutionWe can multiply by cos(x) and solve the resulting quadratic inequalities. Two cases arise:
tan(x) -cos(x) < 0 . . . . . . subtract cos(x)
sin(x) -cos(x)² < 0 . . . . . . . for cos(x) > 0
sin(x) -cos(x)² > 0 . . . . . . . for cos(x) < 0 (inequality is reversed)
Replacing cos(x)² with (1 -sin(x)²) gives quadratic equations in sin(x). (We're using <> to mean "could be greater than; could be less than, depending on cos(x)".)
sin(x) -(1 -sin(x)²) <> 0
sin(x)² +sin(x) -1 <> 0 . . . . put in standard form
(sin(x)² +sin(x) +1/4) -1 -1/4 <> 0 . . . . complete the square
(sin(x) +1/2)² -5/4 <> 0 . . . . . write as a square
((sin(x) +1/2)-√(5/4))·((sin(x) +1/2) +√(5/4)) <> 0 . . . . factor
Note that the second factor is always positive, so it has no impact on the intervals of solution.
__
The zeros of the first factor are located at ...
sin(x) = 1/2(-1 +√5)
x ≈ 0.666239 radians, and π - 0.666239 radians ≈ 2.475353 radians
The sine function will be positive between these angle values.
__
However, the intervals of solution to the inequality depend on the cosine function. Effectively, the solution space is where (sin(x) +(1-√5)/2) and cos(x) have opposite signs.
cosine positiveThe cosine function is positive for -π/2 < x < π/2, so one of the intervals of solution will be ...
-π/2 < x < arcsin((√5 -1)/2), approximately (-1.570796, 0.666239)
cosine negativeThe cosine function is negative for -π < x < -π/2 and for π/2 < x < π. The other interval of solution will be ...
π/2 < x < (π -arcsin((√5 -1)/2)), approximately (1.570796, 2.475353)
_____
Additional comment
In the above, we have used α=arcsin( ) to mean the values of angle in the principal branch: -π/2 ≤ α ≤ π/2. That is why we have to subtract it from π to find the other end of the interval of interest.
Kobe's overtime pay is $5 an hour more than his regular pay. He worked 8 hours at his regular wage and 3 hours at his overtime wage. He earned $114.
What is Kobe's regular wage per hour?
Answer:
anwer 9$ and hour
Step-by-step explanation:
9×8=72
9+5=14
14×3=42
42+72=114