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Sergio039 [100]
3 years ago
11

Which of these equivalent

Mathematics
1 answer:
denpristay [2]3 years ago
6 0

Answer:

30 miles/1 hour is the unit rate.

Step-by-step explanation:

This is the unit rate because unit rates are a number over 1 unit. 30 miles/1 hour fulfills that, and the others are 2 and 3 hours.

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Help me plsss thankyouuuu
Nina [5.8K]

Answer:

a) 231

b) 52.8

Step-by-step explanation:

210*.10 = 21. 21+210 = 231

48*.10=4.8 4.8+48 =52.8

5 0
3 years ago
Read 2 more answers
-4/5+7/12 simplify the expression
miss Akunina [59]

Answer:

\frac{-13}{60}

Step-by-step explanation:

So lets get the denominators the same:

\frac{-4}{5} +\frac{7}{12}

=\frac{-48}{60} +\frac{35}{60}

=\frac{-13}{60}

Hoped I helped, have a nice day!

And please help: brainly.com/question/22129776

5 0
3 years ago
An equation is given.<br><br> Solve the equation for r.
goblinko [34]
There is not an equation
3 0
3 years ago
Vanessa owns a café that serves breakfast and lunch. She uses fresh produce in her recipes and wants
ss7ja [257]

Answer:

No.

Here's the break why it is not proportional...

3*4 = 12\\6*4=24\\9*4=36\\8*6=48\\10*6=60

The proportion breaks near the end because the multipliers no longer match.

3 0
2 years ago
Read 2 more answers
Solve the equation x^2+6x= -11/4
xxTIMURxx [149]

Answer:

Step-by-step explanation:

First, move the -11/4 to the other side, so the expression can equal 0.

x^2+6x+11/4=0

To make the equation easier to work with, multiply both sides by 4, cancelling out the fraction.

4x^2+24x+11=0

There are many ways to solve a quadratic equation (factoring, quadratic formula, completing the square).

Solving this equation by factoring is the easiest. Factoring with a leading coefficient greater than one can be difficult and there are many ways to accomplish it. The way I'm going to do it is to first find the factors of 4x^2 and then the factors of 11. And then multiply across, add the middle terms (derived from multiplying) and try to make it equal 24x.

4x^2:      24x         11:

2x         22x          11

2x           2x            1

           24x (works)

I'll then take the factors diagonal. (2x+1)(2x+11)=0

So x=-\frac{1}{2}, -\frac{11}{2}

8 0
2 years ago
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