3 years ago

If you multiply a number "n" by 5 and add "n" to the product ,you get 20

Mathematics

1 answer:

Schach [20]3 years ago

6 0

I'm not sure what the question is, here. Please make the question clear and I will answer, happily.

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"Find the value of x. Round to the nearest tenth. Refer to the attachment below. <br> "

AlexFokin [52]

$Use\ \cos.\\\\\cos24^o=\dfrac{11}{x}\\\\\cos24^o\approx0.9135\\\\\dfrac{11}{x}\approx0.9135\ \ \ |cross\ multiply\\\\0.9135x\approx11\ \ \ \ |divide\ both\ sides\ by\ 0.9135\\\\x\approx12$

7 0

2 years ago

If 2(x - 5) + 3(x - 5) = 10, what is the value of x - 5?

Darya [45]

Answer:

x = 2

Step-by-step explanation:

2x - 10 + 3x - 15 = 10

5x - 25 = 10

5x = 35

x = 7

7 - 5 = 2

6 0

2 years ago

Read 2 more answers

the plan of a house shows that the first floor will be 13 feet longer than its wide. Which expression represents the area of the

Vilka [71]

It should be C. the first floor is going to be 13 feet longer, so x squared +13 is going to be the first floor

5 0

3 years ago

The point slope form of a line with a slope of 2 through (1, 4) is y – 4 = 2(x – 1).

ella [17]

Answer:

TRUE

Step-by-step explanation:

y-4 = 2(x-1)

here, 4 is representing the y value and 1 is representing the x value.

And the slope is 2.

8 0

2 years ago

PLZ HELP

Alex

Answer:

The correct option is C ) 109.5°

Therefore,

$m\angle E=109.5\°$

Step-by-step explanation:

Given:

In Triangle DEF

d = 10

e = 18

f = 12

To Find

angle E = ?

Solution:

In Triangle DEF , Cosine Rule says

$\cos E=\dfrac{f^{2}+d^{2}-e^{2}}{2fd}$

Substituting the values we get

$\cos E=\dfrac{12^{2}+10^{2}-18^{2}}{2\times 12\times 10}$

$\cos E=\dfrac{-80}{240}=-\dfrac{1}{3}$

Therefore,

$\angle E=\cos^{-1}(-0.3333)$

$m\angle E=109.5\°$ ............As it is in Second Quadrant

Therefore,

$m\angle E=109.5\°$

4 0

3 years ago

If you multiply a number "n" by 5 and add "n" to the product ,you get 20​

If you multiply a number "n" by 5 and add "n" to the product ,you get 20