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ankoles [38]
3 years ago
12

Delilah does 184 jumping jacks in 4 minutes. She does her jumping jacks at a constant rate.

Mathematics
2 answers:
ikadub [295]3 years ago
6 0

Answer:

she did 46 jumping jacks per minute

Step-by-step explanation:

Ivahew [28]3 years ago
3 0

Answer:

46 jumping jacks per minute

Step-by-step explanation:

184/4= 46

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Sue saves $5 a week. The equation m=3.50w models the amount of money, m, Bill has saved after w weeks. At the end of 36 weeks, h
ch4aika [34]

Sue has saved $54 more than Bill

Step-by-step explanation:

Given

Sue saves $5 a week. so after 36 weeks he will have

= 36 * 5

= $180

Bill's saving is modeled by

m = 3.5w where w is the number of weeks

After 36 weeks,

m = 3.5 * 36\\=126

The difference between savings of Bill and Sue

= 180-126\\=54

Hence,

Sue has saved $54 more than Bill

Keywords: Equations, variables

Learn more about linear equations at:

  • brainly.com/question/10809295
  • brainly.com/question/10364988

#LearnwithBrainly

3 0
3 years ago
If you replace x2 − y2 with a, 2xy with b, and x2 + y2 with c, what is the identity equation?
ivolga24 [154]
X^2 - y^2 = a

2xy = b

x^2 + y^2 = c

A polynomial identity is an equation that is always true.`1

You can relate x^2 + y^2 with x^2 - y^2 and 2xy in this ways.

1) Step 1:

[x^2 + y^2]^2 = x^4 + 2(xy)^2 + y^4 = c^2

2) Step 2:

[x^2 - y^2] = x^4 - 2(xy)^2 + y^2 = a^2

 (2xy)^2 = 4(xy)^2 = b^2

x^4 - 2(xy)^2 + y^2 + (2xy)^2 = x^4 + 2(xy)^2 + y^2
------------------------    ----------     --------------------------
            ↓                       ↓                        ↓
           a^2                    b^2    =              c^2

Answer: the identity is

c^2 = a^2 + b^2 equivalent to

(x^2 + y^2)^2 = (x^2 - y^2)^2 + (2xy)^2
5 0
4 years ago
What is the midpoint of the segment shown below?
poizon [28]

Answer:

It's D

Step-by-step explanation:

4 0
4 years ago
What is 7 plus 7 please help quickly
daser333 [38]

Answer:

Hi there!

THE CORRECT ANSWER IS 14

Step-by-step explanation:

NO EXPLANATION

8 0
3 years ago
Read 2 more answers
Because |a + bi| is equal to a distance, |a + bi| will always be a number. real (a) imaginary (i)
alukav5142 [94]

Answer:

Positive real

Step-by-step explanation:

on edge

3 0
3 years ago
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