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2 years ago

Help me anyone that great in math

Mathematics

1 answer:

pochemuha2 years ago

6 0

Answer:

B) 24/35

Step-by-step explanation:

Cos(X)= Adjacent/Hypotenuse

Cos(X) = 24/25

Therefore, option B is your answer.

Hope this answers your question!!

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You buy some living room furniture: couch = $499.99, loveseat = $239.49, and rocker = $139.73. How much is your total purchase?

kondor19780726 [428]

$879.21
hope this helps :)

8 0

3 years ago

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If the first number is increased by 7 and the second number is reduced by 6 times, the sum of these numbers is 29.

Marta_Voda [28]

Answer:

First number = 20

Second number = 12

Explanation:

Let the 1st number be x

Let the 2nd number be y

=====================

Condition 1

$\sf \rightarrow x + 7 + \dfrac{y}{6} = 29$

$\rightarrow \sf x=-\dfrac{y}{6}+22$

=====================

Condition 2

$\rightarrow \sf 2y - (x - 5) = 9$

$\rightarrow \sf x = 2y -4$

=====================

Substitute equations

$\rightarrow \sf -\dfrac{y}{6}+22 = 2y-4$

$\rightarrow \sf y=12$

=====================

Find value of 1st number

$\rightarrow \sf x = 2y - 4$

$\sf \rightarrow x = 2(12) - 4$

$\rightarrow \sf x = 20$

7 0

2 years ago

What is the area of a circle whose radius is 4 ft?

pychu [463]

It would be 50.24 ft
BTW in this case I used 3.14 for pi

5 0

3 years ago

Read 2 more answers

There is a swimming pool which has a length of 15 m and a width of 12 m. There is a 2 m wide path around the pool. If the cost o

AnnyKZ [126]

The cost of the path around the swimming pool with length 15m and width 12m is $1,190

<h3>Area of a rectangle</h3>

Length = 15m
Width = 12m

Pathway with 2m wide:

Length = 15m + 2m = 17m
Width = 12m + 2m = 14m

Area of the path = length × width

= 17m × 14m

= 238 square meters

Cost of the path = $5 per square meter

Total cost of the path = 238 square meters × $5

= $1,190

Learn more about area of rectangle:

brainly.com/question/13048427

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6 0

2 years ago

A motor running at 4500 RPM, revolutions per minute, is actually revolving at how many revolutions per second?

kolezko [41]

Answer:

A motor running at 75 revolutions per second.

Step-by-step explanation:

Given statement: A motor running at 4500 RPM, revolutions per minute.

⇒ In one minute , a motor running at 4500 revolutions.

Use conversion:

$1 min = 60 sec$

We have to calculate how many revolutions per second.

in 60 sec , a motor running at 4500 revolutions

then,

in 1 sec , a motor running at $\frac{4500}{60} = 75$ revolutions.

Therefore, a motor running at 75 RPS, revolution per second.

6 0

3 years ago

Read 2 more answers