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Anuta_ua [19.1K]
3 years ago
15

Can someone please help me asap ill mark brainlist + extra points!!!! questions 4 and 5

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
3 0

Step-by-step explanation:

1. radius=13in

diameter= 2r =2(13)=26in

area=πr²= 22/7*(13)²

531.14in²

circumference= 2πr=2*22/7*13

81.71in

2.radius=32ft

diameter= 2r =2(32)=64ft

area=πr²= 22/7*(32)²

3218.28ft²

circumference= 2πr=2*22/7*32

201.14ft

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In ΔVWX, w = 780 cm, ∠V=21° and ∠W=146°. Find the length of x, to the nearest 10th of a centimeter.
wariber [46]

Complete Question

In ΔVWX, w = 780 cm, ∠X =21° and ∠W=146°. Find the length of x, to the nearest 10th of a centimeter.

Answer:

499.9cm

Step-by-step explanation:

We solve for length x using the Sine rule

w/ sin W = x /sin X

Cross Multiply

x × sin W = w × sin X

x = w × sin X/ sin W

x = 780 × sin 21°/ sin 146°

x = 499.88 cm

Approximately to nearest tenth = 499.9cm

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3 years ago
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The volume of the rectangular prism is 60 cm3. What is the length of the missing side?
sergejj [24]

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Haley is incorrect because the volume isn't 360cm^{3} it's 60cm^{3}. I know this because i multiplied the length, width, and height together to get 60.

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Mark Went to the store and purchase nine pairs of socks and three packages of undershirts for $8.28 each he also purchase a pair
agasfer [191]

Answer:

He paid $2.35 for each pair of socks.

An equation using the variable S is

$77.99 = 9S + (3 × $8.28) + $32

Step-by-step explanation:

Let S be the cost of a pair of socks

From the question, Mark purchase nine pairs of socks, that is, the total cost of the pairs of socks is 9S

He purchase three packages of undershirts for $8.28 each; the total cost of the three packages of shirt will be 3 × $8.28 = $24.84

and he also purchase a pair of pants for $32

Since he spent a total of $77.99, we can write that

$77.99 = 9S + (3 × $8.28) + $32

Now, we can determine S, the cost of a pair of socks

$77.99 = 9S + (3 × $8.28) + $32

$77.99 = 9S + $24.84 + $32

$77.99 = 9S + $56.84

9S = $77.99 - $56.84

9S = $21.15

S = $21.15/9

S = $2.35

Hence, he paid $2.35 for each pair of socks.

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Answer:

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the speed limit on a highway is 110 km per hour. how much time does it take a car to travel 132 km at this speed
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Given:

Speed limit on a highway is 110 km per hour.

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It takes minimum 1 hour 12 minutes

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