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inna [77]
2 years ago
12

2m - 16 + 5m +45 ( NEEDING BIG HELP ON UNIT :) )

Mathematics
1 answer:
MaRussiya [10]2 years ago
4 0

Answer:

7m + 29

Step-by-step explanation:

You add 2m and 5m to get 7m

Then add -16  and 45 to get 29

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A $70 dollar jacket is on sale for 25%. What is the new price?
nadya68 [22]
25% = 0.25
70*0.25 = 17.50
Subtract 17.50 from 70
70-17.50 = $52.50
6 0
3 years ago
Which of the following functions is graphed below?
levacccp [35]

Answer:

Step-by-step explanation:-

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8 0
2 years ago
A triangle has side lengths of (8s + 8) centimeters, (s +9) centimeters, and
quester [9]

Answer:

Step-by-step explanation:

(16.2t+3.4u+2.9)cm

Step-by-step explanation:

A triangle is a plane shape that has three sides. The perimeter of a triangle is gotten by taking the sum of all the lengths of the three sides. Let the length of the three sides by s1, s2 and s3, the perimeter of the triangle will be expressed as;

P = s1+s2+s3

Given the side lengths

s1 = (8.1t-6.1)cm

s2 = (8.1t+7.1)cm

s3 = (3.4u+1.9)cm

Perimeter of the triangle = 8.1t-6.1+8.1t+7.1+3.4u+1.9

collect the like terms

P = 8.1t+8.1t+3.4u-6.1+7.1+1.9

P = 16.2t+3.4u+2.9

Hence the expression that represents the perimeter, in centimeters, of the triangle is  (16.2t+3.4u+2.9)cm

5 0
2 years ago
The value of y varies directly with x. When y=55, x=1/4. Determine the constant of proportionality
docker41 [41]

Answer:

<u>k = 220</u>

Step-by-step explanation:

<u>Proportion of y and x</u>

  • y = kx

<u>Given</u> :

  • y = 55
  • x = 1/4

<u>Solving</u> :

  • 55 = k/4
  • k = 55 x 4
  • <u>k = 220</u>
4 0
1 year ago
Please this is a quizzzz
eduard

Answer:

QR and ST

Explanation:its right

4 0
2 years ago
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