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LekaFEV [45]
2 years ago
6

I NEED HELP WITH THIS QUIZ PLEASE EXPLAIN ALL ANSWERS

Mathematics
2 answers:
Stells [14]2 years ago
8 0

Answer:

Step-by-step explanation:

it is a and j

Svet_ta [14]2 years ago
5 0

Answer:

1.D , 2.G, 3. a. 4.f

Step-by-step explanation:

1. We have five x bars so we will represent that as

5x

We have 8 -1 boxes so that add up to be

- 8

On the right side we have 10 1 boxes so the right side value is 10.

Set up an equation.

5x - 8 = 10

Add 8 on both sides

5x = 18

Divide 5 by both sides

x = 3.6

2.Plug in 22 for g in all the answer choices to see if it correct or isolate g and see if it equal to 22.

G is the right answer , I'll do it both ways.

Plug in 22 for g

2(22 - 6) = 32

2(16) = 32

32 = 32

Isolate g

2(g - 6) = 32

2g - 12 = 32

2g = 44

g = 22

3.Llyod has 126 ounces of water. He spilled 36 ounces of water. We are trying to find the maximum number of cups he can fill after he spilled 36 ounces. This is represented by

6c \leqslant126 - 36

6c \leqslant 90

c \leqslant 15

so the answer is A

4.Plug in 18 and also any number greater than 18 and make sure the inequality true

F is true so F is the answer.

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A parabola can be drawn given a focus of (8, 6) and a directrix of x=4. Write the equation of the parabola
Orlov [11]

Answer:

<em>The equation of the Parabola</em>

 <em>(y - 6 )² = 8 (x -6)</em>

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given directrix  x = 4

we know that    x = h - a = 4

               h -a =  4  ...(i)

Given Focus  = ( 8,6)

we know that the Focus of the Parabola

         ( h + a , k ) = ( 8,6)

   comparing  h + a = 8 ...(ii)

                  k = 6

solving (i) and (ii) and adding

   h - a + h+ a = 8 +4

           2 h = 12

              h =6

   Put h = 6 in equation (i)

  ⇒     h - a =4

  ⇒   6 - 4 = a

  ⇒      a = 2

<u><em>Step(ii):-</em></u>

<em>The equation of the Parabola ( h,k) = (6 , 6)</em>

<em>( y - k )² = 4 a ( x - h )</em>

<em>(y - 6 )² = 4 (2) (x -6)</em>

<em>(y - 6 )² = 8 (x -6)</em>

<u><em></em></u>

3 0
2 years ago
PLEASE HELP ME.
N76 [4]

Answer:

jssjsjjsjsjsjsjsjsjsjs

Step-by-step explanation:

jsjsjsjsjssjsjsjsjsjsj

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There were 25 words on a recent vocabulary test in English class, and Owen got four words wrong. What percent did he get wrong?
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Supposef(0) = 2 and 2 ≤ f '(x) ≤ 7for all x in the interval [−5, 5]. determine the greatest and least possible values of f(2).le
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The greatest possible value of f(2) is 2+14 = 16.

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Please help for hw with proportions
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