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miss Akunina [59]
3 years ago
6

Find area, answer in terms of π​

Mathematics
1 answer:
Tcecarenko [31]3 years ago
4 0

Answer:

Step-by-step explanation:

radius of circle=4

diameter=4×2=8

width=2 half circles means diameter=8

length=2 diameters=2×8=16

area=16×8=128

4 half circles make two circles

area of two circles=2×π r^2=2×π×4²=32 π

reqd . area=128-32 π=32(4-π)

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10. Amelia is making friendship bracelets for a charity event. She wants to bring at least 623 bracelets to the (2 points)
Kaylis [27]

Answer:

119 bracelets

Step-by-step explanation:

623-28= 595

595/5 = 119

8 0
3 years ago
If 20% of a number p is 10, what is 10% of p?
kobusy [5.1K]

Answer:

5

Step-by-step explanation:

20% of p = 10

20% = 0.2

Multiply

0.2p = 10

Multiply both sides of the equation by 5

p = 50

Find 10% of p

10% = 0.1

Multiply

0.1(50)

5

10% of p is 5

Hope this helps :)

8 0
3 years ago
Read 2 more answers
What angle is congruent to ∠C?
Romashka [77]

Step-by-step explanation:

Order of congruence does not matter. For any angles A,B, and C , if ∠A≅∠B and ∠B≅∠C , then ∠A≅∠C . If two angles are both congruent to a third angle, then the first two angles are also congruent.

7 0
3 years ago
Kevin can jog 3,000 feet in 6 minutes. If he jogs at the same rate, how many feet can she jog in 9 minutes?
quester [9]

Answer:

4500 feat

Step-by-step explanation:

6m=3000f

9m=x

we cross multiply and get

x= 9m × 3000f ÷ 6m

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5 0
3 years ago
Find the are of a parallelogram that has a base of 7 1/2 and a height of 5 2/7
Amiraneli [1.4K]
Use the formula for the area of a parallelogram:

\sf A=bh

Plug in what we know:

\sf A=(7\dfrac{1}{2})(5\dfrac{2}{7})

Convert both of them into improper fractions. We do this by multiplying the denominator to the whole number, adding it to the numerator, which becomes our new numerator, and we keep the denominator the same:

\sf A=(\dfrac{15}{2})(\dfrac{37}{7})

Now multiply the numerators and denominators together:

\sf A=\dfrac{15}{2}\cdot\dfrac{37}{7}\rightarrow\dfrac{15\cdot 37}{2\cdot 7}\rightarrow\dfrac{555}{14}

Convert it back into a mixed number. 14 goes into 555 thirty-nine times. 14 * 39 = 546. 555 - 546 = 9. So we have 39 wholes and 9 left over, or:

\sf 39\dfrac{9}{14}

So this is the area of the parallelogram.
6 0
3 years ago
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