Simplify (-2x-3)-(3x²-8x+9) in standard form.

Mathematics

1 answer:

Musya8 [376]3 years ago

8 0

(-2 x -3) - (3x^2 - 8x + 9)
-6 - 9x - 17x
-6 - -8x
-14x

hope this helps,
Batgirl12

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I need help with this one

OlgaM077 [116]

Answer:

112.98 square units

Step-by-step explanation:

Let's work backwards:

Circumference = 2πr

(37.68)/2π = r

Area = π $r^{2}$

Area = π * $((37.68)/2pi)^{2}$

Area = 112.983 square units

3 0

4 years ago

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What is the greatest possible product of 2 primes whose sum is 30?

Alenkinab [10]

Prime numbers below 30: 1, 3, 5, 7, 11, 13, 17, 19, 23, 29

2 prime numbers that sum up to 30:
1 and 29
7 and 23
13 and 17

The greatest possible product will be 13 x 17 = 221

Answer: The two prime numbers are 13 and 17

7 0

3 years ago

step by step on how to solve this equation by firstly collecting like terms; 7-5y = 3y-17

gtnhenbr [62]

Hello!

You can solve this algebraically

7 - 5y = 3y - 17

Add 5y to both sides

7 = 8y - 17

Add 17 to both sides

24 = 8y

Divide both sides by 8

3 = y

The answer is 3

Hope this helps!

4 0

4 years ago

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A vehicle was travelling at a speed of 72km per hour. What distance did it cover in 2 hours? A. 158km B. 148km C. 168km D. 144km

Andru [333]

Answer:

D. 144km

Step-by-step explanation:

If the vehicle travels 72km every hour, in two hours, it will drive 144km. (72x2=144)

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