What negative numbers multiply to get a positive 54

Answers

Answer 1

Answer: 16 would be the answer

Answer 2

Answer: The negative numbers that will multiply to get a positive 54 are -9 and -6.

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What is -4x+8=48 what is x
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15x+12=45+4x
whats x?

Answers

15x+12=45+4x ⇒15x - 4x = 45 - 12 ⇒ 11x = 33 ⇒ x = 3

Like terms are when the variable you have are the same. In this case it is x. Therefore, when you have like terms, you should add, or subtract your like terms.

(note: When you move one thing to the other side of the equation, make sure to do the opposite of the sign. i.e. if it is +4 when you move to the other side it will be -4).

15x+12=45+4x
15x+12-12=45+4x-12
15x=45+4x-12
15x-4x=45+4x-4x-12
15x-4x=45-12
11x = 33
this is the same as:
11*x = 33
the opposite of multiply is divide so when we move the 11 it has to be divide
11/11*x=33/11
x=3

The formula for the area of a trapezoid is A=1/2h(b1+b2) express b1 in terms of A, h and b2

Answers

The expression of b1 in terms of A, h, and b2 is expressed as $b_1 =(2A)/(h) - b_2$

Given the formula for calculating the area of a trapezoid expressed as:

$A = (1)/(2)h(b_1+b_2)$

We are to express b1 in terms of A, h, and b2 as shown

$A = (1)/(2)h(b_1+b_2)\n2A = h(b_1+b_2)\n(2A)/(h) = b_1 + b_2\n b_1 =(2A)/(h) - b_2$

Hence the expression of b1 in terms of A, h, and b2 is expressed as $b_1 =(2A)/(h) - b_2$

Learn more here: brainly.com/question/21406377

the answer is b1=(2A/h)-b2

What is the answer to this problem? 7.5/12=4.2/x

Answers

Answer:

x = 67.2

Step-by-step explanation:

7.5/12 = 4.2/x

First, divide 7.5 by 12.

0.625 = 42/x

Next, multiply both sides by x

0.625x = 42

Next, divide by 0.625

x = 67.2

There's your answer!

Answer:

Answer is 6.720

Step-by-step explanation:

x = 168/25 = 6.720

Find the volume of the cylinder r=3m h=10m

Answers

volume of a cylinder is... $\pi r ^(2) h$

⇒ $\pi$ × $3^(2)$ ×10
⇒ answer = 90 $\pi$ cm² ≈ 283.74cm²

Hi there! :D. Well, there's a radius of 3m and a height of 10m. Let's plug that into the formula of volume. V=πr²h=π*3²*10=282.74334m³, Let's round 282.74334m³ to 282.74m³. So, the volume is 282.74m³

What is the midpoint of (-5,2) and (2, - 7)?