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Sliva [168]
3 years ago
11

Help with 2) show work

Mathematics
2 answers:
vladimir1956 [14]3 years ago
4 0
D= 7x
The first box is 2 because
D=7(2)
D= 14

The second box on the right is 21
D= 7(3)
D= 21

The last box is 35
D= 7(5)
D= 35
dimulka [17.4K]3 years ago
3 0
Week       d(Amount in dollars)
2                    14
3                    21
5                   35

Multiply week by 7 to get the amount in dollars
Divide the number of dollars by 7 to get the number of weeks.

Hope this helped☺☺
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2(3x+2)=2x+28<br><br> What is x?
kherson [118]

Answer:

x = 6

Step-by-step explanation:

<u>Step 1:  Distribute </u>

2(3x + 2) = 2x + 28

(2 * 3x) + (2 * 2) = 2x + 28

(6x) + (4) = 2x + 28

<u>Step 2:  Subtract 2x from both sides </u>

6x + 4 - 2x = 2x + 28 - 2x

4x + 4 = 28

<u>Step 3:  Subtract 4 from both sides </u>

4x + 4 - 4 = 28 - 4

4x = 24

<u>Step 4:  Divide both sides by 4 </u>

4x / 4 = 24 / 4

<em>x = 6 </em>

Answer:  x = 6

5 0
3 years ago
What is the GCF of 40 and 21
trasher [3.6K]
40 and 21 do not have common factors, except for one. So the answer is 1.
5 0
3 years ago
Read 2 more answers
A population of 30 swans halves every 10yr. Which graph represents the population growth?
Anton [14]

Answer:

The second graph

Step-by-step explanation:

If the population halves every 10 years, the population at year 10 would be half as mush as year 0, and year 20 would have half as much as year 20, and so on, graph 2 is the only one with a decreasing slope.

8 0
2 years ago
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Use the given figure to find the length of FG
bazaltina [42]

Answer:

The length of FG is 19\:units.

Step-by-step explanation:

Since the altitude of the triangle bisects the third side, triangle FGH is isosceles.


Therefore |FG|=|HG|


This implies that,

5x-6=3x+4

This is a linear equation where we easily solve for x.


We group like terms to get,

5x-3x=4+6


2x=10


We divide both sides by 2 to obtain,

x=5.


The length of FG is

5(5)-6=25-6=19



8 0
4 years ago
Find the average rate of change of
Bas_tet [7]

Answer:

Rate of change = - 4  

Step-by-step explanation:

h(x) = -x^2 + 3x + 1 \\\\h(2) = -(2)^2 + (3 \times 2) + 1 = - 4 + 6 + 1 = 3\\h(5) = - (5)^2 + ( 3 \times 5) + 1 = - 25 + 15 + 1 = -9\\

Rate of change :

               = \frac{h(2) - h(5)}{2-5} = \frac{3-(-9)}{2-5} = \frac{3+9}{-3} = - \frac{12}{3} = -4

4 0
3 years ago
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