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cricket20 [7]
3 years ago
10

Alana is making circular picture frames. She needs to put a ribbon along the border of each one. Use what you know about pi and

equivalent ratios to find the circumference of each frame.
Mathematics
1 answer:
ki77a [65]3 years ago
7 0
Idk
sorry
sorrysorrysorrysorry
sorrysorrysorrysorry
sorry
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Help me please I don’t understand
tester [92]

Answer:

5 feet

Step-by-step explanation:

15 divided by 3 equals 5

8 0
3 years ago
Read 2 more answers
Clarissa bought 3 cartons of milk for y cents each she gave the cashier $10. How much change did she receive? Express your answe
e-lub [12.9K]

Answer:

The amount of change she received was (10-0.03y) dollar.

Step-by-step explanation:

Price of each carton of milk is  y cents and she bought 3 cartons of milk.

We know that, <u>1 dollar = 100 cents</u>

So,  1 cent = \frac{1}{100}=0.01 dollar.

and  y cents =0.01y dollar.

Thus, <u>the total price of 3 cartons of milk</u> =(0.01y*3)=0.03y dollar.

She gave the cashier $10.

So, the amount of change she received =(10-0.03y) dollar.

8 0
3 years ago
2. A shoreline is eroding at a rate of 3 foot per 3 months. How many feet are eroding pet
Wittaler [7]
3 months happens 4 times in a year, and so does the 1/3 foot of erosion. 4 times 1/3 foot = 4/3 feet. That's 1-1/3 feet, or 1 foot 4 inches.
3 0
3 years ago
Given: ABCD ∥gram, BK ⊥ AD , AB ⊥ BD AB=6, AK=3 Find: m∠A, BK, AABCD
jenyasd209 [6]

1. Consider right triangle ABK. The hypotenuse AB is 6 un. and the leg AK is 3 un. Since the leg is half of the hypotenuse, then the opposite to the leg angle is 30°. This means that m∠ABK=30°. Then m∠BAK=90°-30°=60°.

2. By the Pythagorean theorem,

AB^2=AK^2+BK^2,\\\\6^2=3^2+BK^2,\\\\BK^2=36-9,\\\\BK^2=27,\\\\BK=3\sqrt{3}\ un.

3. Consider right triangle ABD. In this triangle AD is hypotenuse and m∠ADB=90°-m∠BAD=90°-60°=30°. Then the leg AB opposite to the angle 30° is half of the hypotenuse and AD=12 un.

4. The area of parallelogram is

A_{ABCD}=AD\cdot BK=12\cdot 3\sqrt{3}=36\sqrt{3}\ sq. un.

5 0
3 years ago
Find the amount of simple interest that $400 would earn at 8% per year by the end of 3 years.​
geniusboy [140]

Answer:

400 times 8%= 32 times 3=96

Step-by-step explanation:

3 0
3 years ago
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