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elena-s [515]
3 years ago
9

Solve the following equation for d: D — =7 5

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
6 0

Answer: x = 35

Explanation: In this problem, notice that D is being divided by 5,

so to get D by itself, we need to multiply both sides of the equation by 5.

Notice that on the left side, the 5 and 5 cancel

each other out, so we are just left with D.

On the right side, we have (7)(5) which is 35.

So x = 35.

Finally, remember that we can check our answer

by plugging a 35 back into the original equation.

So we have \frac{(35)}{5} = 7.

Since this is a true statement, we know that our answer is correct, x = 35.

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What are the solutions to 2(x-7)^2 = 32?
MariettaO [177]
2(x-7)^2 = 32\\
(x-7)^2=16\\
x-7=-4 \vee x-7=4\\
x=3 \vee x=11

3 0
3 years ago
​ On a certain hot​ summer's day, 335 people used the public swimming pool. The daily prices are $1.25 for children and $2.00 fo
spin [16.1K]

Answer:

57

Step-by-step explanation:

Let c represent the number of children ($1.75 each) and a represent the number of adults ( $2.00 each).

We know that there were 340 people total, so c + a = 340. This implies that a = 340 - c

We also know that $1.75 c + $2.00 a = $609.25

By substituting a with 340 -c we have $1.75 c + $2.00 (340 -c) = $609.25

Use the distributive property to obtain $1.75 c + $680 - $2.00 c = $609.25

Subtract $680 from both sides and combine like terms to get - $0.25 c = -

$70.75

Now, divide both sides by -$0.25 to get c = 283, the number of children.

The number of adults is 340 - c or 340 - 283 = 57

4 0
3 years ago
2 + (x + 4)<br> Help me out
MariettaO [177]

Answer:

x + 6

Step-by-step explanation:

If you dont know the value of x you cant solve the problem fully

7 0
3 years ago
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Select the correct answer.
GREYUIT [131]
I don’t know
Igditditditd
4 0
2 years ago
Divide -1.53 ÷ 0.17 enter your answer in the box PLEASE HELLPPP
marshall27 [118]

Answer:

-9

Step-by-step explanation:

-1.53  ÷  0.17 =‬ -9

check work:

-9 x 0.17 = -1.53

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4 years ago
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