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MA_775_DIABLO [31]
2 years ago
9

Steve is three more than 5 times as old as his cousin. If the sum of their ages is 21, how old is Kia's cousin? Solve and write

a linear equation.
Mathematics
1 answer:
DerKrebs [107]2 years ago
8 0

Answer:

34

Step-by-step explanation:

Cause it is right

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I need help I don’t know how that’s not right.
Leviafan [203]

Answer: v=-81.92

Step-by-step explanation:

\displaystyle\\7+\frac{v}{8} =-3.24\\\\7+\frac{v}{8}-7 =-3.24-7\\\\\frac{v}{8} =-10.24\\\\\frac{v}{8} =-10.24

Multiply both parts of the equation by 8:

\displaystyle\\(\frac{v}{8})(8)=(-10.24)(8) \\\\v=-81.92

6 0
11 months ago
The sum of 5 consecutive integers is 100. What is the first number in this sequence?
yanalaym [24]
So we can call first number "n"

Then all five integers would be n, n+1, n+2, n+3, n+4

So sum of them would be 5n + 10 = 100

Now you can solve for n:

5n + 10 = 100

5n = 90

n = 18

Verify: 18 + 19 + 20 + 21 + 22 = 100. All good.

So answer is 18
5 0
2 years ago
Determine whether the statement below is always, sometimes, or never true. two lines with positive slopes are parallel.
elena-s [515]
Always because according to my calculations 
8 0
3 years ago
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Each of the four sides of a swimming pool measures 9 meters. The pool is 5 meters deep. How much water will be needed to fill it
iragen [17]

The volume of the rectangular prism is equal to length times width times height. Since length and width are equal, the formula includes the squaring of the length. after substitution, the formula is 9^2 * 5 equal to 405 m^3. 

So the answer is D. 405 cubic meters

5 0
3 years ago
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Write a decimal that is less than 6.73
faust18 [17]
4.2 would be an example, but there are many more. Honestly, it wouldn't matter as long as it was less than 6.73.
3 0
3 years ago
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