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3 years ago

What 57 rounded to the nearest 100

Mathematics

2 answers:

stiks02 [169]3 years ago

5 0

It is 100 because 5 and above give it a shove 4 and below let it go

Natali5045456 [20]3 years ago

4 0

57 would be rounded to the number 100

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21x+28=14 and 9x+12y=6

Westkost [7]

21x+28=14
x= -2/3 or -0.666666666

9x+12y=6
x=2/3 or .666666666
y=0

7 0

3 years ago

Write the equation for:

xenn [34]

Answer:

$\frac{1}{2} x +x = 2 (x-4)$

Step-by-step explanation:

Suppose number is x

Following equation can be written from question statement

$\frac{1}{2} x +x = 2 (x-4)$

Simplifying it further

$\frac{3}{2} x = 2x-8$

$\frac{3}{2} x -2x=-8$

$\frac{3x-4x}{2}= -8$

$-x= -16\\x=16$

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2 years ago

Three students performed a science experiment using salt and a beaker. The beaker contained 530.2 grams of salt before the exper

anzhelika [568]

We are subtracting 3 * 47.36 from 530.2

3 * 47.36 = 142.08

530.2 - 142.08 = 388.12

Your answer should be 388.12 grams left. Hope this helps!

3 0

3 years ago

Read 2 more answers

HELP!!!!!!!!!!!!!!!!

lesya [120]

$2x^{2}$ is a monomial (since it is all connected by multiplication) and since it is in the degree of 2, that makes it a quadratic.

-2 is a constant (since it doesn't have variables) and it is a monomial (since it is all connected by multiplication)

3x-9 is a binomial (since it has two terms, not connected by multiplication) and since it has x in the power of 1, that makes it a linear equation.

Finally, $-3x^{2}$ -6x + 9 is a trinomial (since it has 3 terms connected by either addition or subtraction) and since the degree of the polynomial is 2, that makes it a quadratic.

8 0

3 years ago

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1. Angle AOF has what measurement according to the protractor? A. 40 B. 140 C. 60 D. 120

fredd [130]

Answer:

140 degrees

Step-by-step explanation:

Just measure from point A to point F giving you 140 degrees.

7 0

3 years ago