MATHEMATICS MIDDLE SCHOOL

80 is 32% of what number

Answers

Answer 1

Answer: We set up a proportion: 80/?= 32/100

Cross multiply: 32*?= 80*100
⇒ ?= 80*100/32= 250

80 is 32% of 250.

Answer 2

Answer:

Answer:

250

Step-by-step explanation:

Part = % * whole

80 = .32x

Solve for x

Divide on both sides coming up with:

80 = .32x

.32 .32

250 = x

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What best describes the Numbers 5 Both prime, and composite

Answers

5 is a prime number. That's all I can help with.

Answer:

5 is prime because its only factors are 1 and 5.:-)

Step-by-step explanation:

2+4•5+1=26
Where do I put the parentheses to make the equation true

Answers

2 + ( 4 • 5 ) + 1 = 26 like this

Are z³ and 3z equivelent?explain

Answers

Yes because you are multiplying 3 z’s and also 3z’s

What is the length of an ant?
5mm or 5cm?

Answers

The average length of an ant is about 5mm. Most of the ants that are found have a length between 5mm to 15 mm. Exceptional are definitely present, like some ants can be as small as 1mm to 2 mm while some can be as big as 30mm. So variations among this species are definitely there, but average size of ants that are found range between 5mm to 15mm. All the ants that are present have three distinct body parts like the head, abdomen and thorax.

What is (x-5) (x+5)?

Answers

$(x-5)(x+5)\nFOIL\ Method\n\nFirst \nx*x=x^2\n\nOutside\nx*5=5x\n\nInside\n-5*x=-5x\n\nLast\n-5*5=-25 \n\n Combine\ like\ terms.\n\n-5x+5x=0x\n\nCombine\ together\n\nx^2-25$

Hope this helped :)

$(x-5) (x+5)=x\cdot x+5\cdot x-5\cdot x-5\cdot5=x^2+5x-5x-25=\n \n=x^2-25$