2 years ago

Hello"! Need Help!

Mathematics

1 answer:

stealth61 [152]2 years ago

4 0

<h3>⚠ANSWER⚠</h3>

<em><u>↪</u></em><em><u>Given 15 cot A = 8. Find sin A and sec A </u></em>

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What is the product? 8(–1) A. –1.4 B. –8 C. 8 D. 11.2

enot [183]

B: -8
8 times 1 = 8, and since there is a negative in front of the 1 when you are multiplying, it should be -8/

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3 years ago

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Which choice is the solution for this system ? 2x − 5y = 14 x + 3 2 y = 5

VashaNatasha [74]

Answer:

The required solution is (5.75,-0.5). It can be written as $(\frac{11}{4},-\frac{1}{2})$ .

Step-by-step explanation:

The given equations are

$2x-5y=14$ .... (1)

$x+\frac{3}{2}y=5$ .... (2)

Multiply the equation (2) by 2.

$2x+3y=10$ .... (3)

Subtract equation (1) from equation (3).

$2x+3y-(2x-5y)=10-14$

$2x+3y-2x+5y=-4$

$8y=-4$

$y=-\frac{1}{2}=-0.5$

Put this value in equation (1).

$2x-5(-0.5)=14$

$2x+2.5=14$

$2x=11.5$

$x=5.75$

Therefore the required solution is (5.75,-0.5). It can be written as $(\frac{11}{4},-\frac{1}{2})$ .

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3 years ago

Write the numbers 3,2 and 8 in a addition sentence. Show 2 more ways to find the sum

zavuch27 [327]

2+3+8
3+8+2
3+2+8
8+2+3
8+3+2

there are multiple ways to get the same sum with the same three numbers i hope this helps

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3 years ago

Find A to the nearest degree if cos A = 0.7660

STALIN [3.7K]

Answer:

$A = 40^\circ$

Step-by-step explanation:

Use the inverse cosine function.

$\cos A = 0.7660$

$A = \cos^{-1} 0.7660$

$A = 40^\circ$

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A carousel factory has 1,252 carousel horses. 48 horses are placed on each carousel. How many carousels can the factory build? H

Arte-miy333 [17]

4 carousels will be left over

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