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Harrizon [31]
4 years ago
13

ANSWER ASAP

Mathematics
2 answers:
Aliun [14]4 years ago
8 0
7a - a ^2 - (<span>-4 + 3a^2)
= </span>7a - a ^2 + 4 -  3a^2
=  - 4a^2 + 7a + 4

answer
<span>C) -4a^2 + 7a + 4

</span>
vaieri [72.5K]4 years ago
3 0

Answer:

C) -4a^2 + 7a + 4

Step-by-step explanation:


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What is the volume of the cone below?
bagirrra123 [75]

Answer:

B. 3408pi

Step-by-step explanation:

formula volume of cone = 1/3 x pi x r x r x h

volume = 1/3 x pi x 12 x 12 x 71

= 3408pi

3 0
3 years ago
Given
kondaur [170]

Answer:

+ 10 and + 7

Step-by-step explanation:

Given

2x² + 7x + 5

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term.

product = 2 × 5 = + 10 and sum = + 7

4 0
3 years ago
Which equation is equivalent to the equation 6x+9=12? A: x + 9 = 6 B: 2 x + 3 = 4 C: 3 x + 9 = 6 D: 6 x + 12 = 9
Pachacha [2.7K]

Answer: B

Step-by-step explanation:

3 0
3 years ago
-(-3,-2) and (1,6); m = 2<br> Plz help me
tensa zangetsu [6.8K]

m

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Find the value of  b

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b

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Now that the values of  

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y

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b  to find the equation of the line.   y

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5 0
4 years ago
calculate the total potential energy in kj of an object whose mass is 20 kg when it is located 20 m below a datum level in a loc
Airida [17]

Answer:

The energy in object is 3.8 Kilo Joules.  

Step-by-step explanation:

We are given the following in the question:

Mass = 20 kg

Height,h = 20 m

g=9.5 m/s^2

Formula:

Potential energy  =

E = Mgh

Putting value we get,

E = 20(20)(9.5)\\E = 3800~J\\E = 3.8~KJ

Thus, the energy in object is 3.8 Kilo Joules.

5 0
3 years ago
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