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8_murik_8 [283]
3 years ago
10

PLEASE HELP

Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0

Answer:

(a) $62.92 saved in 25 weeks

(b) 41 weeks to save $100

Step-by-step explanation:

Given

y = 2.92 + 2.4x

x \to weeks

y \to savings

Solving (a): Savings in 25 weeks.

This means that: x = 25

So:

y = 2.92 + 2.4x

y = 2.92 + 2.4 * 25

y = 2.92 + 60

y = 62.92

Solving (b): Whole weeks to save $100

This means that x = 100

So:

y = 2.92 + 2.4x

100 = 2.92 + 2.4x

Collect like terms

2.4x = 100 - 2.92

2.4x = 97.08

Solve for x

x = 97.08/2.4

x = 40.45

Round up

x = 41

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8 0
3 years ago
ASAP! HELP!!!
Fudgin [204]

The measure of each of the angles ∠P,∠Q,∠R, ∠S are 45°,72°,135° and 98° respectively.

<h3>What is quadrilateral ?</h3>

A quadrilateral is a polygon having four sides. The measure of the opposite angle of quadrilateral inside circle is 180°.

From the figure:

∠P=x+15

∠Q=3x-8

∠R=?

∠S=3x+8

∠Q+∠S=180

3x-8+3x+8=180

6x=180

x=30°

∠P+∠R=180°

x+15+∠R=180

30+15+∠R=180

∠R=180-45

∠R=135°

∠P=30+15=45

∠Q=3x-8=3(30)-8=72

=135

∠S=3x+8=3(30)+8=98

Hence,the measure of each of the angles ∠P,∠Q,∠R, ∠S are 45°

,72°,135° and 98°.

To learn more about the quadrilateral refer:

brainly.com/question/13805601

#SPJ1

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2 years ago
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