3 years ago

Solve the equation Hey guys can i get some help on this one? thanks!

Mathematics

1 answer:

eimsori [14]3 years ago

8 0

Answer:

look at the picture i have sent

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the perimeter of the rectangle below is 98 units. Find the length of CD. Write your answer without variables. cd=4x+3 cb=5x+1

zimovet [89]

$2(4x + 3) + 2(5x + 1) = 98 \\ 8x + 6 + 10x + 2 = 98 \\ 18x + 8 = 98 \\ 18x = 90 \\ x = 5$
Substitute x with 5,

CD =
$4x + 3 \\ = 4(5) + 3 \\ = 20 + 3 \\ = 23$
CD = 23 units

Hope this helps.

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3 years ago

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A line has a slope of 2/3 and contains the point (-1,-5). Which is an equation of this line?

mario62 [17]

Answer:

y= 2/3x - 13/3

Step-by-step explanation:

i explain in the picture :D!

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in order to encourage students to show up early to a school dance , the dance comittee decides to charge less for those who come

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It would be $2.25 if each student pays one more penny than the last one the penny count would be up to 150 pennies times the number of student which is 150 so multiply and add your decimal

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Mrs Katie constructs a cube with 512 magnetic block students and her two classes will each make an identical cube. There are 28

devlian [24]

I take it each student is going to make a block.
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Therefore she needs 53 * 512 = 27136 blocks.

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Javier earned the following scores on his first five tests: 77, 89, 84, 80, and 85. What score did he earn on his last test to h

Colt1911 [192]

You would have eto get an 89

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