he ran a mile in 8.4 minutes. Step-by-step explanation:
The Gophers won 2/3 of their games. The Rattlers
won half of their games. Together, the teams
won 56 games. Both teams played the same
number of games. How many games did each
team win?
Answer:
48
Step-by-step explanation:
The silmutenous equations
2/3x + 1/2y = 56
X=y
please HURRY IM ON A QUIZ
if 2 is substituted for x, which expression will NOT equal 5?
Answer:
It will be 2x -1
If x=2
2*2 - 1 = 4 - 1 = 3
Step-by-step explanation:
7 - x If x=2
7 - 2 = 5
11 - 3x If x=2
11 - 3*2 = 11 - 6 = 5
2x -1 If x=2
2*2 - 1 = 4 - 1 = 3
4x - 3 If x=2
4*2 - 3 = 8 - 3 = 5
the diagram shows a wire attached to the top of a telephone pole. To the nearest foot, what is the height of the telephone pole?
Answer:
60 feet
Step-by-step explanation:
Answer:
58 feet
Step-by-step explanation:
80x80 - 55x55 = 58.09
A student earned 50% on a 100 question quiz. How many questions did
the student answer correctly?*
Answer:
50
Step-by-step explanation:
Answer:
50
Step-by-step explanation:
it is 50 because he got 50%
ab=4x+17 ad=96+2x find bc
By subtraction of functions, the length of the line segment BC is equal to 79 - 2 · x units.
How to use the subtraction of functions
In this question we find to two line segments that are collinear to each other. Each line is represented by a linear functions, whose length equations are:
AB = 4 · x + 17 (1)
AC = 96 + 2 · x (2)
AB + BC = AC
BC = AC - AB (3)
Then, by (1) and (2) on (3):
BC = (96 + 2 · x) - (4 · x + 17)
BC = 79 - 2 · x
By subtraction of functions, the length of the line segment BC is equal to 79 - 2 · x units.
Remark
After a quick investigation, we conclude that the statement has typing mistakes, correct form is shown below:
If AB = 4 · x + 17 and AC = 96 + 2 · x, then find the expression of BC.
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Paula pays $19.92 for 2.4 pounds of walnuts. What is the price per pound of walnuts?
The price per pound of walnuts is $8.3
Cost of 2.4 pounds of walnuts = $19.92
Cost of 1 pound of walnuts = 19.92/2.4 = $8.3
In mathematics, a pound is a unit of measurement that represents an object's mass or the volume of substance it occupies. Pounds essentially tell us how heavy something is. For instance, a soccer ball weighs roughly one pound. Lb or lbs are used to denote pounds, where "lb" stands for libra.
A pound is a unit of weight that is equivalent to 16 ounces, 7,000 grains, or 0.45359237 kg in avoirdupois, and to 12 ounces, 5,760 grains, or 0.37324171216 kg in troy and apothecaries' weight. The abbreviation lb comes from the Latin word libra, which was the origin of the contemporary pound.
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←
Find the distance between the points.
(-3,0) and (3,0)
Answer:
It would be 0
Step-by-step explanation:
as both points lie on x-axis
X is normally distributed random variable with mean 63 and standard deviation 6, the probability that X lies between 45 and 81 is
Answer:
P(45<X<81) = P(-3<z<3)=0.9974 or 99.74%
Step-by-step explanation:
Mean = 63
Standard Deviation =6
We need to find probability that X lies between 45 and 81 i.e P(45<X<81)
First we will find z-score for X=45 and X=81
For X=45 the z-score can be found using formula: [tex]z-score=\frac{X-\mu}{\sigma}[/tex]
Putting values and finding z-score
[tex]z-score=\frac{X-\mu}{\sigma}\\z-score=\frac{45-63}{6}\\z-score=-3[/tex]
For X=45, z-score is -3
For X=81 the z-score can be found using formula: [tex]z-score=\frac{X-\mu}{\sigma}[/tex]
Putting values and finding z-score
[tex]z-score=\frac{X-\mu}{\sigma}\\z-score=\frac{81-63}{6}\\z-score=3[/tex]
For X=81, z-score is 3
Now finding the probability of P(-3<z<3)
It can be solved as:
P(-3<z<3)=P(z<3)-P(z<-3)
Looking at the z-score table to find
P(z<3)= 0.9987
P(z<-3)=0.0013
So, P(-3<z<3)=P(z<3)-P(z<-3)
P(-3<z<3)=0.9987 - 0.0013
P(-3<z<3)=0.9974
or P(-3<z<3)= 99.74%
So, P(45<X<81) = P(-3<z<3)=0.9974 or 99.74%
select Function 4 and use the Range and Domain sliders to identify the range and domain. Complete parts 1 and 2 below. Use the interactive figure to find your answer. Use the left and right arrow keys to move along a slider as needed. Click here to launch the interactive figure.
Answer:
Domain: (-∞, 2] U (3, 6]
Range: (-∞ , 1] U (-1, 4]
Step-by-step explanation:
This is a piecewise function. It has a discontinuity at x=2 and x = 3
The domain of a piecewise function is the union of the domains of each piece of the function. Similarly the range for a piecewise function is the union of the ranges for each piece of the function
Looking at the graph, we can see two subdomains. When x ≤ 2 , we have one subdomain and when x > 3 there is another subdomain. We state this as
D = - ∞ < x ≤ 2 or 3 < x ≤ 6
In interval notation we represent this as
D = (-∞, 2] U (3, 6]
The nature of the brackets is important a [ or ] bracket means that the value to which it is attached is included whereas an open bracket, ( or ) means that value is not included
For example, (-∞, 2] means that everything below x = 2 to -∞ is part of the domain but it does not include -∞; since at -∞, a function is not defined. However it does include 2 in the domain as can be seen by the closed bracket on the right
The other subdomain is for x > 3 (note: a filled circle means the value is included, an empty circle denotes the value is excluded)
The second subdomain is
3 < x ≤ 6
In interval notation, it is (3, 6]
So the total domain is the union of the two intervals
The range is also discontinuous and there are two distinct ranges. The range is nothing but all the set of values generated by the function. So we look at all possible values for y that the function produces
The Range of this function is -∞ < f(x) ≤ 1 or -1 < f(x) ≤ -4
In interval notation this is
R = (-∞ , 1] U (-1, 4]
What is the surface area of this cylinder?
Use a ~ 3.14 and round your answer to the nearest hundredth.
10 cm The radius
9 cm. The height
square centimeters
Please help I need it plz I will give u the brainlyes
Answer:
1,193.805 cm^2
Step-by-step explanation:
formula for surface area of a cylinder: 2(pi)(r)(h)+2(pi)(r^2)
What are the two other ways you can write the ratio 3 to 4?
Blank 1:
Question 2
A group of preschoolers has 15 boys and 12 girls. What is the ratio of girls to boys? Please try to simplify
Blank 1:
Question 3
Simplify the ratio 12 to 15
Blank 1:
Question 4
A group of preschoolers has 8 boys and 24 girls. What is the ratio of girls to all children?
Blank 1:
Question 5
Simplify the ratio 24/32
Blank 1:
Step-by-step explanation:
1. 3:4, 6:8, 9,12
So 12:15 is the same thing as 12/15 you need to simplify so 12 devided by 2 is 4 and 15 divided by 3 is 5 so question to is 4:5
the ratio of 3to4 is 7.42069 and 12 to 1362 the others r to hard for my big brain
Step-by-step explanation:
Simplify the expression: 3(5x - 2) + 3x
Answer:
Original: 3(5x - 2) + 3x
15x - 6 +3x
Answer: 18x - 6
Answer:
18x-6
Step-by-step explanation:
3(5x-2)+3x
Distribute 3 into the parathesis: 15x-6+3x
Combine like terms: 18x-6
Your final answer is 18x-6
Have no clue how to do this. Please help me. I will give a Brainly and extra questions.
Answer:
Step-by-step explanation:
V= 1/3(3.14)r^2, what would r be?
The value of 'r' in terms of 'V' is calculated as 0.99√V.
What is meant by square root?The square root of a number is a value that, when multiplied by itself, yields the original number. The square root is the opposite of squaring a number.
"√" is the standard symbol for the square root. It's known as a radical symbol. The said symbol can be used to represent the square root of a number 'x'.where x is a positive integer.The number beneath the radical symbol is known as the radicand. For instance, the square root of 6 is also known as the radical of 6. Both have the same value.Now, the given expression in the question is;
V= 1/3(3.14)r²
This can be written in the term of V as;
r² = (V×3)/3.14
Taking square root on the both sides;
r = √[(V×3)/3.14]
r = 0.99√V
Thus, the value of the r is obtained as 0.99√V.
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Write the equation in slope intercept form (y=mx+b)
y = 3 + 4(x − 1)
Answer:
y=4x-1
Step-by-step explanation:
y=3+4(x-1) <------ distribute property
y=3+4x-4 <---- combine 3 and -4
y=4x-1
Answer: y=4x-1
Step-by-step explanation:
y=3+4(x-1) Given
y=3+4x-4 Distributive Property
y=4x-1 Combine Like Terms
help me please I really need help
Answer:
25.46
Step-by-step explanation:
6.7X3.8
what is the estimate of 29 x 688
Answer:
19952 :)
Step-by-step explanation:
Step-by-step explanation:
29 turns to 30
688 turns to 700
30×700=21000
Please help its very important to me ( dont guess or steal) ( give proof of answer for brainiest)
Answer:
I say A if you need anymore help just tell me!!!
Which Inequality is equivalent to the given inequality?
-4(x + 7) <3(1 - 2)
OA. -73 < 22
OB. -77 > -34
OC. -71 < -34
OD. -70 > 22
Answer:
[tex]-7x < 22[/tex]
Step-by-step explanation:
Given
[tex]-4(x + 7) <3(x - 2)[/tex]
Required
Determine its equivalent
[tex]-4(x + 7) <3(x - 2)[/tex]
Start opening the brackets:
[tex]-4x - 28 < 3x - 6[/tex]
Collect Like Terms
[tex]-4x - 3x < 28 - 6[/tex]
Add and subtract like terms
[tex]-7x < 22[/tex]
Looking at the means of these samples, which value is most likely to be the mean of the population from which the
samples were taken?
Answer:
Sample Number Sample Mean
1 11.8
2 12.5
3 15.1
4 14.3
5 13.0
6 12.9
7 10.2
8 11.5
9 12.9
10 15.4
Now the most likely mean of the population can be found by finding the mean of given sample means. It is given below:
Therefore, the most likely mean of the population from which the samples were taken is 12.96.
Answer:
12.9
Step-by-step explanation:
Triangle B has vertices (−1, 2), (1, 2), and (−1, 1).
Which triangle is similar to triangle B?
Triangle X with vertices (−2, 4), (2, 4), and (−2, 2)
Triangle Z with vertices (−2, 4), (2, 4), and (−2, 3)
Triangle Y with vertices (−1, 4), (1, 4), and (−1, 2)
Triangle W with vertices (−2, 0), (2, 0), and (−2, −1)
Step-by-step explanation:
Triangle X with vertices (−2, 4), (2, 4), and (−2, 2)
Two similar triangles have the same corresponding ratio thus the triangle similar to{ (−1, 2), (1, 2), and (−1, 1) } is { (−2, 4), (2, 4), and (−2, 2) } thus option (A) will be correct.
What is a triangle?A triangle is a 3-sided shape that is occasionally referred to as a triangle. There are three sides and three angles in every triangle, some of which may be the same.
As per the given vertices of a triangle (−1, 2), (1, 2), and (−1, 1).
The plot of the triangle using the above vertices plotted below,
The triangle with vertices (−2, 4), (2, 4), and (−2, 2) also has been plotted.
The ratio of the corresponding length of the blue triangle to purple is 4/2 = 2.
Hence "Two similar triangles have the same corresponding ratio thus the triangle similar to{ (−1, 2), (1, 2), and (−1, 1) } is { (−2, 4), (2, 4), and (−2, 2)". }
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help plssssss 10 if corret
By using algebra properties for rational numbers, the expression - (3 / 8) · [(3 / 5) · (- 5 / 6)] is equivalent to the fraction 9 / 16.
How to simplify a product of fractionsHerein we find a product of three fractions which has to be simplified into a single fraction by using algebra properties for rational numbers. The complete procedure is shown below:
- (3 / 8) · [(3 / 5) · (- 5 / 6)] Given
[(- 3 / 8) · (- 5 / 6)] · (3 / 5) Associative and commutative properties
[(3 / 8) · (5 / 6)] · (3 / 5) (- a) · (- b) = a · b
(15 / 16) · (3 / 5) Multiplication of fractions
45 / 80 Multiplication of fractions
9 / 16 Simplification of a fraction / Result
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A truck loaded 1258 kg of rice from Factory A.
loaded 855 kg more rice from Factory B than from Factory A.
How many kilograms of rice did it load altogether?
Answer:
1258
+855
8 plus 5 =13
so you will write the 3
reminder 1
5plus 5=10 plus 1=11
so you will write 1 reminder 1
8 plus 2 plus 1=11
so you will write 1 reminder 1
1 plus 1=2
ANS:2113
Jacqueline is 1 7/10 and Roderick is 1 .88 meters tall. How much is taller is roderick?
Answer:
0.18 meters taller
Step-by-step explanation:
1 7/10 → 1.70
1.88
-1.70
---------
0.18
PLEASE HELP
Which of the following sets of ordered pairs represents a function?
A.
{ (0, -6), (11, -6), (0, -6), (-6, 11) }
B.
{ (-6, 6), (-6, 9), (-6, 0), (9, -6) }
C.
{ (6, 11), (6, 1), (0, 0), (8, 13) }
D.
{ (6, -6), (9, -6), (0, -6), (-6, 9) }
Answer:
it's D
hdhdndndnndhd
fhhdhdhdndndhfhsjajsg
Please help
I think i have the correct answers for 1 and 3 but I'm getting confused it 2.
Consider the standard form of an exponential function:
1. How does changing the base number (inside the parentheses) change your
graph? (10 points)
2. How does changing the number outside the parentheses change your
graph? (10 points)
3. Create three new exponential equations to represent Alison, Cindy, and
Javier. (30 points)
Alison loves social media and likes for her posts to be shared as much as
possible while Cindy and Javier prefer for their posts to stay amongst their
friends primarily
Answer:
It's a vertical stretch.
Step-by-step explanation:
This question is designed to be answered without a calculator.
Use this graph of function f.
For how many values of x is f not differentiable over the interval (–4, 4)?
Answer:
4
Step-by-step explanation:
In the graph of the function, between the interval (-4, 4), there are 4 values of x for which the given function is not differentiable.
The method of determining the derivative of an implicit function by differentiating each term separately, expressing the derivative of the dependent variable as a symbol, and solving the resulting expression for the symbol.
here,
The function from observation seems to be a discontinuous function,
And the function is not differentiable at x = -1, 0, 1, and 3.
So there are 4 points in the interval (-4, 4) where the function is not differentiable.
Thus, In the graph of the function, between the interval (-4, 4), there are 4 values of x for which the given function is not differentiable.
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Margret is inviting 3 friends to a party. If each friend will get 8 cookies and each box has 6 cookies, how many boxes does Margret need to get?
Answer:
Margret need to get 4 boxes of cookies.
Step-by-step explanation:
Total friends = 3
Cookies each friend will get = 8
Each box has cookies = 6 cookies
How many boxes does Margret need to get?
Total cookies will be= Total friends x Cookies each friend will get
Total cookies will be= 3 x 8 = 24
If one box has 6 cookies and we need total 24 cookies so, divide 24 by 6 to get number of boxes
Number of boxes = Total cookies/ number of cookies in one box
Number of boxes = 24/6
Number of boxes = 4
So, Margret need to get 4 boxes of cookies.
Find the quotient of 5 1/2 and 1/8
Answer:
5.625
Step-by-step explanation:
5 1/2 + 1/8 = 5 5/8 = 5.625
f(x)=5x-3; g(x)=2x^2-5 find (g o f)(-2)