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3 years ago

8.4 divided by unknown gives you 2.8 what is the unknown

Mathematics

1 answer:

Anna007 [38]3 years ago

6 0

Answer:

Step-by-step explanation:

8.4 ÷ 3 = 2.8

(Hopefully this answers your question)

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Melanie saves $20 every month in her savings account. She withdrew $60 one time to go shopping. She now has $280 in her account.

Trava [24]

Answer:

20m - 60 = 280

Step-by-step explanation:

5 0

3 years ago

Opposite rays form a:<br>point<br>ray<br>line<br>plane

gregori [183]

Answer:

line

Step-by-step explanation:

8 0

3 years ago

The art teacher mixed 1/3 oz of red paint with 3/4 oz of blue paint to make purple paint. To make more of the same purple paint,

Sedbober [7]

Answer:

8/9 sorry if wrong

Step-by-step explanation:

6 0

3 years ago

Need math help asap please! :/ thanks

Dominik [7]

The rule to remember about generating the perpendicular family to a line is we swap the coefficients on and x and y, remembering to negate one of them. Then the constant is set directly from the intersecting point.

So we have

y = 3x + 2

-3x + 1y = 2

Swapping and negating gets the perpendiculars; the constant is as yet undetermined.

1x + 3y = constant

Since we want to go through (0,2), we could have just written

x + 3y = 0 + 3(2) = 6

3y = -x + 6

y = (-1/3) x + 2

Third choice

5 0

3 years ago

Can the exponent in the denominator be subtracted from the exponent in the numerator when the based are different? Explain

Vanyuwa [196]

Answer:

No, Sorry.

Step-by-step explanation:

Since the bases are different, you'll have to change them even if they have a exponent or not. If you dunno how to make the denominators the same, just multiply the two by eachother.

Example) 1/2 - 3/4

$\frac{1}{2} - \frac{3}{4}$

Multiply 2 and 4 together, and then multiply the 4 to the one also. Multiply 2 to four and also to the 3.

$\frac{4}{8} - \frac{6}{8}$

The subtract from there.

$\frac{ - 2}{8}$

and then Reduce (if needed.)

$\frac{ - 1}{4}$

4 0

3 years ago