MATHEMATICS HIGH SCHOOL

Write an equation for a parabola with​ x-intercepts (-2,0) and (5,0) which passes through the point (4,-12)

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PLEASE HELP! How do I solve this problem?

Can someone help? anyone who's taking like geometry?

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The triangles are similar so corresponding sides will be in ratio. The first triangle has sides of 2, 4, and 6. The second triangle has a largest side of 24. You are asked to find the perimeter of the second triangle. 
The largest side of the first triangle is 6 and the largest side of the second triangle is 24. This is a ratio of 6:24 which can be reduced to 1:4.
Each side of the second triangle is 4 times as large as the corresponding side of the first triangle.
Now we can calculate the other 2 sides.
2 x 4 = 8
4 x 4 = 16
The three sides are 8, 16 and 24
Perimeter of this triangle is 8 + 16 + 24 = 48

Sophie wrote odd numbers on her paper.what is a number sophie did not write

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If Sophie wrote only odd numbers on her paper (1, 3, 5, 7, 9, etc.), then the numbers she did not write are even numbers - 0, 2, 4, 6, 8, etc.

A student answered 46 problems on the test correctly and received a grade of 88%. how many problems were on the test if all problems we wear the same number of points?

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The answer is 52 questions
so to find percentages we do the part over the whole.   So in this equations we do

(answered correctly)/(total number of questions) * 100=grade

answered correctly = 46 
Total number problems = x
where x is the number we don't know 
and 
grade is 88

(46)/(x) = .88 

multiply both sides by x 

we get 

46 = .88x

we just need to simplify
46/.88 = x
52.27 = x  

Mario received 15% of the votes for class president. He got 45 votes. How many people voted in the election?

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Answer:

Yikes

Step-by-step explanation:

we should private talk in chat. I could explain it to you.

F(x) = x + 4
G(x)= 3x
What is the value of fg(7)

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Answer:

fg(7) = 231

Step-by-step explanation:

The question is asking you to find fg(7), which is function of f times function of g when x = 7. To solve it, you just need to plug in the 7 where x is in both equation and then multiply these results.

f(x) = x + 4

f(7) = 7 + 4

= 11

g(x) = 3x

g(7) = 3(7)

= 21

fg(7) = 11 × 21 = 231

the Revenue for the week is $2000, and labor cost consists of two workers earning $8 per hour who work 40 hours each, what is labor cost as a percentage of Revenue?

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The value of labor cost as a percentage of Revenue is, 32%.

What is mean by Percentage?

A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

To Calculate the percent of a number , divide the number by whole number and multiply by 100.

We have to given that;

The Revenue for the week is $2000, and labor cost consists of two workers earning $8 per hour who work 40 hours each.

Now,

The total labor cost for 2 workers = 2 × 8 × 40

                                                    = $640

Hence, The value of labor cost as a percentage of Revenue is,

⇒ (640/2000) x 100

⇒ 64 / 2

⇒ 32%

Therefore, We get;

The value of labor cost as a percentage of Revenue is,

⇒ 32%

Learn more about the percent visit:

brainly.com/question/24877689

#SPJ2
 revenue  = $2000
labor cost per worker working 40 hrs =  8 . 40  =    320
   for  2 workers  =      640
 as a % of revenue      =      ( 640 . 100)/2000      =      32%
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