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3 years ago

Simplify: 4(4y-7y^{2})-9(5y+2)

Mathematics

1 answer:

Simora [160]3 years ago

4 0

Answer:

Hello! -28 y ^2 -29y -18 should be your simplified answer :)

Step-by-step explanation:

Hope this helps!

Have a nice day!♥

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Solve the system of equations<br> 15x -2y = 4<br> 20x - 3y = 1

makkiz [27]

Answer: try internet

Step-by-step explanation:

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3 years ago

If the points (2,3) and (5,y) lie on a line whose slope is -7/6, what does y equal

nlexa [21]

Answer:

Step-by-step explanation:

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3 years ago

*How does placing the Declaration of Independence in its historic context change its meaning?

Strike441 [17]

Answer:

Declaration of Independence was designed for multiple audiences: the King, the colonists, and the world. It was also designed to multitask. Its goals were to rally the troops, win foreign allies, and to announce the creation of a new country. The introductory sentence states the Declaration’s main purpose, to explain the colonists’ right to revolution. In other words, “to declare the causes which impel them to the separation.” Congress had to prove the legitimacy of its cause. It had just defied the most powerful nation on Earth. It needed to motivate foreign allies to join the fight.

Step-by-step explanation:

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3 years ago

Read 2 more answers

Sammy counts the number of people in one section of the school auditorium. He counts 18 female students, 16 male students, and 6

Rzqust [24]

Correct Question:

He counts 18 female students, 16 male students, and 6 teachers. There are

720 people in the auditorium. Consider the probability of selecting one person

at random from the auditorium.

Which of these statements are true?

Choose all that apply.

A: The probability of selecting a teacher is 6%.

B : The probability of selecting a student is 85%.

C : The probability of selecting a male student is 32%.

D : The probability of selecting a female student is 45%.

Step-by-step explanation:

Option B and D are correct because

The total number of people in one cross section = 18 + 16 + 6 = 40.

A = The probability of selecting a teacher is = (6/40)x100 = 15 % not equal to 6 %

B = The probability of selecting a male student is = (34/40)x100 = 85%

C = The probability of selecting a male student is = (16/40)x100 = 40 % not equal to 32 %

D : The probability of selecting a female student is = (18/40)x100= 45%

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3 years ago

To make concrete Tyler mixes 55 kilograms of gravel wit 11 kilograms of cement how many kilograms of gravel does Tyler need for

tia_tia [17]

Answer:

5 kilos

Step-by-step explanation:

55:11

5:1 ratio

7 0

3 years ago