Answer:
X= -8
Step-by-step explanation:
First you distribute the 5 to the parenthesis to get 5x-30+4=7x-10. Then subtract 14 on both sides to get 5x-16=7x. Next, subtract 5x from both sides to get -16=2x. Now you divide by 2 on both sides to get -8=x.
Answer: x = - 8
Step-by-step explanation:
The first step in applying the distributive property:
5 (x - 6) + 4 = 7x - 10
5x - 30 + 4 = 7x - 10
The second step is to combine like terms by subtracting 10 from -30, and subtracting 4 from - 20:
5x - 30 + 4 = 7x - 10
5x - 16 = 7x
The third step is to subtract 5x from 7x:
5x - 16 = 7x
- 16 = 2x
The last step is to divide each side by 2 to isolate the variable, or find x:
- 16/2 = 2x/2
- 8 = x
or x = - 8
I hope I helped and have a great day! ^-^
-3 5/6 make it a decimal
Answer:
-3.56 i think .
Step-by-step explanation:
Solve for the value of n.
Answer:
n= 27
Step-by-step explanation:
n+6+2n+3=90
3n=81
n=27
1) Graph by making a
table.
y=1/2x+2
Answer:
Below.
Step-by-step explanation:
You can use any 4 x values, so we could have:
- 2 0 2 4
Now find the corresponding y values by substitution in the equation:
For x = -2, y = 1/2 *-2 + 2 = 1.
For x = 0, y = 1/2 * 0 + 2 = 2.
For x = 2 , y = 1/2* 2 + 2 = 3.
For x = 4 , y = 1/2 * 4 + 2 = 4.
So the table is:
-2 0 2 4
1 2 3 4
You then plot the points (-2, 1), (0, 2), (2, 3) AND (4, 4) on the grid and draw a line through them The graph will be a straight line.
The computer lab is removing the 3 broken computers and adding 13 wireless touchscreen devices. About what percent of the lab are wireless devices?
Answer:
about 81 percent
Step-by-step explanation:
3/16=0.812...
Factor the following expression x^2+5x+6
Answer:
(x + 2) (x + 3)
Step-by-step explanation:
x² + 5x + 6
x² + 3x + 2x +6
If you help me I’ll give brainliest
Answer:
20 calls
Step-by-step explanation:
20 calls were made before 6 pm
Jeremy can row 1 3 of a mile in 1 4 of an hour. What is the unit rate?
Answer:
The unit rate that Jeremy can row is 1.33 miles per hour.
Step-by-step explanation:
Unit rate is defined as the distance over a time period. The distance that Jeremy can row is given and the time period is given.
The distance (miles)=1/3=0.3333333...
time period: 1/4
0.33333/0.25=1.333333
if f(x)=√2x+3/6x-5, then f(-1/2)=
answere=-1
this is the answere and the explanation.
By substituting x = -1/2, the expression [tex]\(f(x) = \frac{\sqrt{2x} + 3}{6x - 5}\)[/tex] can be simplified to[tex]f(x) = \(f(-\frac{1}{2}) = \frac{\sqrt{3 - \sqrt{2}}}{-8}\).[/tex].
To find [tex]\(f(-\frac{1}{2})\)[/tex], substitute [tex]\(-\frac{1}{2}\)[/tex] into the function f(x):
[tex]\(f(-\frac{1}{2}) = \frac{\sqrt{2 \cdot (-\frac{1}{2}) + 3}}{6 \cdot (-\frac{1}{2}) - 5}\)[/tex]
Now, simplify the expression inside the square root:
[tex]\(f(-\frac{1}{2}) = \frac{\sqrt{-\sqrt{2} + 3}}{-3 - 5}\)\\\(f(-\frac{1}{2}) = \frac{\sqrt{3 - \sqrt{2}}}{-8}\)[/tex]
So, [tex]\(f(-\frac{1}{2}) = \frac{\sqrt{3 - \sqrt{2}}}{-8}\)[/tex].
To know more about substitution, refer here:
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Latasha bought a concert ticket. She does not remember the price of the ticket, but she remembers that she had to pay $1 in tax. Sales tax where Latasha lives is 8%. She drew a percent bar to find the original price.
Answer:
Original price of ticket = $12.5
Step-by-step explanation:
Given:
8% amount = $1
Find:
Original price of ticket
Computation:
Original price of ticket = 1(100/8)
Original price of ticket = $12.5
If TUV is translated to image T'U'V , as shown below , by the rule (x,y) -> (x+8, y-3) what are the coordinates or TUV ?
Answer:
D) is the answer
Step-by-step explanation:
ohh ok i understand TUV is (x,y)
so (x+8,y-3) is the T'U'V
so subtract 8 and add 3 to this translation
(x-8,y+3)
looking at U
t goes to (10,-5)
and that is the only one so the answer is D
The coordinates or TUV are (-6,-3),(-1,6),(0,-2), the correct option is C.
How does dilation affect length, area, and volume of an object?(SCALING ZOOMING SIMILAR FIGURES)
Suppose a figure (pre image) is dilated (dilated image) by scale factor of k.
So, if a side of the figure is of length L units, and that of its similar figure is of M units, then:
L = k × M
where 'k' will be called as scale factor.
The linear things grow linearly like length, height etc.
The quantities which are squares or multiple of linear things twice grow by square of scale factor. Thus, we need to multiply or divide by k² to get each other corresponding quantity from their similar figures' quantities.
So area of first figure = k² × area of second figure
Similarly,
Volume of first figure = k³ × volume of second figure.
It is because we will need to multiply 3 linear quantities to get volume, which results in k getting multiplied 3 times, thus, cubed.
Given;
TUV is translated to image T'U'V , as shown below , by the rule (x,y) -> (x+8, y-3)
Coordinates of T'U'V; (2,-6),(7,3),(8,-5)
Now, coordinates of TUV;
T coordinate=(-6,-3)
U coordinate=(-1,6)
V coordinate=(0,-2)
Therefore, coordinates before dilation will be (-6,-3),(-1,6),(0,-2)
Learn more about dilation here:
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Find the value of each variable
Answer:
x = 16[tex]\sqrt{3}[/tex]
y = 8[tex]\sqrt{3}[/tex]
Step-by-step explanation:
For this type of equation, you are going to use the following trigonometric signs tangent and cosine. Tangent is used for the y-variable and cosine is used for the x-variable. For the y-variable, it is 24 tan 30 to get 8 root 3 as your answer. For the x-variable, you would get ([tex]\sqrt{3}[/tex] / 2)x = 24. Divide that root number to get 16[tex]\sqrt{3}[/tex] as your x variable.
Answer: 16 sqrt 3. 8 sqrt 3
Step-by-step explanation:
Which algebraic expression is equivalent to the expression below?
A.
B.
C.
D.
Answer:
I don't know
Step-by-step explanation:
I see now question below so can not answer.
What is the difference between the 7th square number and the 4th square number?
At each football game, the team drinks at most 4 coolers of water. Write an inequality
that represents this situation. Let c represent the number of coolers of water.
Answer:
Step-by-step explanation:
C [tex]\leq[/tex] 4
Find the slope of the line through the given points. (3,4) and (8,-3)
Answer:
The slope is -7 / 5
GIVING BRAINLIEST OUT FOR WHOEVER IS CORRECT AND FAST!
All factors of 40, 41, 3526, and 1001.
Answer:
Step-by-step explanation:
factors for
40=1,2,4,5,8,10,20,40
41=1,41 prime
3526=1,2,41,43,82,86,1763,3526
1001=1,7,11,13,77,91,143,1001
Answer:
Factors Of 40 in Pairs
1 × 40 = 40.
2 × 20 = 40.
4 × 10 = 40.
5 × 8 = 40. Therefore, the factors in pairs are (1, 40), (2, 20), (4, 10) and (5, 8).
Factors of 41: 1, 41
Factors of 3526 =1, 2, 41, 43, 82, 86, 1763, 3526.
1, 7, 11, 13, 77, 91, 143, and 1001. Factors of 1001 include negative numbers.
Step-by-step explanation:
Alan, Bill, and Calvin are playing a game with collectible cards. At the moment, Alan has 11 less than 2 and a half times the number of cards Bill has. Calvin has 1 more than 1 and a half times the number of cards Bill has. If Calvin and Alan have the same number of cards, the number of cards Bill has is
Answer:
Hope it helps) and HAPPY NEW YEAR MY DEAR
Step-by-step explanation:
Let A be the number of cards Alan has
B be the number of cards Bill has
C be the number of cards Calvin has
Alan had 11 less than 2 1/2 times the number of cards bill has.
is 2.5
Alan is 2.5 of bill has minus 11
A=2.5B -11
Calvin has 1 more than 1 1/2 times the number of cards bill has.
is 1.5
Calvin is 1.5 of bill has plus 1
C=1.5B + 1
Alan and Calvin have the same number of cards
So A=C
WE plug in A and C equations and solve for B
2.5B -11 = 1.5B + 1 (subtract 1.5B on both sides)
1B -11 = 1 (Add 11 on both sides)
B = 12
If Alan and Calvin have the same number of cards, the number bill has is 12
The number of cards Alan and Calvin each have is 19
Total cards = 12 + 19 + 19 = 50
If Alan, bill, and Calvin have all the cards in the deck then the deck has 50 cards.
its the final brain cell.
(intense music)
help this is easy WiLL mArK bRaiNLieSt
Could anybody answer the question?
Answer:
1.2×1.3=1.56
Step-by-step explanation:
1.2 ×1.3=1.56
Answer:
1.2
Step-by-step explanation:
x+1.3=1.56
x=1.56
1.3
=1.2
Joe wants to purchase
an Iphone 12 for $250.
The actual price for an
Iphone 12 is $699.
What is Joe's percent
error?
Answer:
64.23%
Step-by-step explanation:
Percent error
(699-250)/699 x 100 = 64.23
Answer: the answer is 64%
Step-by-step explanation:
1. Find the vector represented by the directed line segment drawn from the point (3,5) to point B(-1,2). Also, find it's magnitude.
Your Answer:
Answer:
Magnitude is 5
Step-by-step explanation:
Using the formula for calculating the distance between two points expressed as:
D = √(x2-x1)²+(y2-y1)²
Given the coordinates (3,5) and (-1,2)
D = √(2-5)²+(-1-3)²
D = √(-3)²+(-4)²
D = √9+16
D = √25
D = 5
Hence the magnitude is 5
Which company should Jeffrey choose if he wants to pay the lowest total cost for an event with 30 attendees?
Answer:
Alonzo Appetizers
Step-by-step explanation:
Cost of 30 people for Alonzo is $1400 while cost of Ben's is $2250
A recipe calls for 4 0z of raisins. If I
use 224 0z of raisins, how many
batches of this recipe did I make?
This venn diagram represents the science subjects studied by students what is the probability that a student,chosen at random,studies physics and chemistry or both ?
Answer:
Step-by-step explanation:
Looking at the Venn diagram :
The total number of students surveyed is 7+5+8+6+2+4+3+6 = 41
The number of students that studies physics is = 14
The number of students that studies chemistry is = 21
Probability = number of favorable outcomes / total number of outcomes
Therefore the probability that a student chosen at random studies physics and chemistry or both is 35/41 = 0.85
Write the word sentence as an inequality. Then solve the inequality.
The quotient of a number x and 4 is at most 5.
An inequality is
.
The solution of this inequality is
.
Answer:
Inequality: x ÷ 4 ≤ 5
Solution: x ≤ 20
Step-by-step explanation:
quotient = division
at most = either ≥ or ≤
x ÷ 4 ≤ 5
x ÷ 4 x 4 ≤ 5 x 4
x ≤ 20
I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!
identify the slope in y=-x
Answer:
m = -1
Step-by-step explanation:
y = -x can also be written as
y = -1x + 0
The slope is -1.
In slope intercept equations, if the slope is '1' or '-1' they would usually drop the one.
Hope this helps.
Answer:
the slope of the line y = -x will be: m = -1
The line graph is also attached below.
Step-by-step explanation:
The slope-intercept form of the line equation
[tex]y = mx+b[/tex]
where
m is the slope and b is the y-interceptGiven the line
[tex]y = -x[/tex]
comparing with the slope-intercept form of the line equation
The slope = m = -1The y-intercept = b = 0Therefore, the slope of the line y = -x will be: m = -1
The line graph is also attached below.
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Answer:
a) x(x-2)
b) 6x(2x+2)
dont know c and d sorry
Step-by-step explanation:
A table representing the function f(x)=2(3/2)*x is show below, what is the true given function?
Answer:hope it helped
Step-by-step explanation:
A function is always a relation
please solve this a+7=2
Answer:
a=-5
Step-by-step explanation:
a+7=2
move the constant to the right
a=2-7
then calculate the difference
a=-5
So a=-5 is your answer
What is the slope of y=-4x-3
Answer:
Using the slope-intercept form, the slope is 4 .
Answer:
the slope of this is 10
Step-by-step explanation:because while you solve -4 and x-3 you have to divide then subtract to the point get to ten. hope this helps