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kobusy [5.1K]
3 years ago
9

Help again anyone???

Mathematics
1 answer:
pentagon [3]3 years ago
4 0

Answer:

5. 314.16 feet squared

6. 615.75 inches squared

7. 254.47 kilometers squared

8. 380.13 yards squared

Step-by-step explanation:

A=πr^2

For 5 and 6 plug in the numbers and multiply. For 7 and 8, they give you the diameter, to find the radius, simply divide the number by 2, then plug the number into the formula.

Have a good day :)

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Isaac used 1/4 of an ounce of nuts to make 1/8 of a cake. How many ounces of nuts are needed to make one cake?
bulgar [2K]

Answer:

2 ounces of nuts are needed to make one cake.

Step-by-step explanation:

if he uses 1.4 to make 1/8 of a cake, then you need to do it 8 times to make a full cake. Multiply 1/4 * 8 which is equal to 8/4 which simplifies to 2. This is your answer!

2 ounces of nuts are needed to make one cake.

8 0
3 years ago
Seema used compatible numbers to estimate the product of (–25.31)(9.61). What was her estimate?
zepelin [54]
If she used rounding properly, she would have gotten -25 x 10 = -250
8 0
3 years ago
Read 2 more answers
4. Find the area of the<br> shaded region.
lozanna [386]

Diameter of the circle in the middle = 8 ft

Radius of the circle in the middle :

=\tt \:  \frac{Diameter }{2}

=\tt  \frac{8}{2}

=\tt 4 \: ft

Thus, the radius of the circle in the middle = 4 ft

Area of the entire circle :

=\tt \pi  {r}^{2}

= \tt3.14 \times 4 + 6 \times 4 + 6

= \tt3.14 \times 10 \times 10

=\tt 3.14 \times 100

\color{plum} = \tt314 \: ft

Thus, the area of the entire circle = 314 ft

Area of the circle in the middle :

=\tt \pi  {r}^{2}

=\tt 3.14 \times 4 \times 4

= \tt3.14 \times 16

\color{plum} =\tt 50.24 \: ft

Thus, the area of the circle in the middle = 50.24 ft

Area of the shaded portion :

= Total area of the figure - Area of the circle in middle

=\tt 314 - 50.24

\color{plum} =\tt 263.76 \: ft

▪︎Therefore, the area of the shaded portion = <u>263.76 ft</u>

4 0
3 years ago
Please help I will give points
snow_lady [41]

Answer:

1/40

Step-by-step explanation:

8 0
3 years ago
The size of a bicycle is determined by the diameter of the wheel. You want a 24-in bicycle for Christmas. What is the circumfere
scZoUnD [109]
C=d x pi
d= 24
C= 24 x 3.14
C=75.36 inches

hope this helps
8 0
4 years ago
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