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Alisiya [41]
4 years ago
5

Suzanne wants to buy a bicycle that costs $180. If she can save $12 each week, how many weeks will it take her to save enough mo

ney to buy the bicycle?
Mathematics
2 answers:
STALIN [3.7K]4 years ago
6 0
It will take 15 weeks. Hope I helped you!
Anit [1.1K]4 years ago
4 0
Dividing the cost of the bike by the amount of money saved each week will give you the amount of weeks it will take to save.

180/12=15

it would take Suzanne 15 weeks to save up for the $180 bicycle
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The product of two of three numbers is 7.8. if one number is 3/5, find the other number ( if you don't know please don't answer)
yarga [219]

Answer: 13,I

Step-by-step explanation:

set the 3 number is 3/5, x,y

product of them

3 /5 xy = 7:6

xy = 7:6 x 5 /3

Xy = 13

So the two number is 13, 1

Step-by-step explanation: hope this helped, Meow!

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3 years ago
ANSWER QUICK PICTURE ATTACHED
Sonbull [250]

Answer:

Step-by-step explanation:

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For the figures below, assume they are made of semicircles, quarter circles and squares. For each shape, find the area and perim
ICE Princess25 [194]

Answer:

Part a) The area of the figure is \frac{9}{2}(4+\pi )\ cm^{2}

Part b) The perimeter of the figure is 3(2+2\sqrt{2}+ \pi)\ cm

Step-by-step explanation:

Step 1

Find the area of the figure

In this problem we have that

The figure ABC is the half of a square and the other figure is a semicircle

<u>Find the area of the figure ABC</u>

we have

AB=6\ cm, BC=6\ cm

The area of the half square ABC is equal to find the area of triangle ABC

so

A1=\frac{1}{2}*6*6=18\ cm^{2}

<u>Find the area of the semicircle</u>

The area of the semicircle is equal to

A2=\pi r^{2}/2

we have that

r=6/2=3\ cm

substitute

A2=\pi (3)^{2}/2

A2=(9/2) \pi\ cm^{2}

The area of the figure is equal to

18\ cm^{2}+(9/2) \pi\ cm^{2}= \frac{9}{2}(4+\pi )\ cm^{2}

Step 2

Find the perimeter of the figure

The perimeter of the figure is equal to

P=AB+AC+length\ CB

we have

AB=6\ cm

Applying Pythagoras theorem

AC=\sqrt{6^{2}+6^{2}}\\AC=6\sqrt{2}\ cm

Remember that

the circumference of a semicircle is equal to

C=\frac{1}{2}2\pi r=\pi r

r=6/2=3\ cm

C=\pi(3)

C=3 \pi\ cm

The perimeter of the figure is equal to

P=6\ cm+6\sqrt{2}\ cm+3 \pi\ cm

Simplify

P=3(2+2\sqrt{2}+ \pi)\ cm

5 0
3 years ago
15 is 10 % of what number
Len [333]

15*10=150

15 is 10% of 150

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3 years ago
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