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3 years ago

Lisa had a set of 12 toy cars. Then she gave her sister 3 cars. What fraction of Lisa's set did Lisa give to her sister.

Mathematics

1 answer:

Trava [24]3 years ago

5 0

Lisa gave her sister 1/4, or one-fourth of her toy cars. Brainliest would really help!

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What is the first step to finding the sum of 2/7 & 1/4 without a calculator?

Illusion [34]

Answer:

first get a common denominator by multiplying 7 and 4 to get 28

28 is our common denominator here.

Step-by-step explanation:

We want to add the fractions 2/7 and 1/4

(2/7) * (4/4) and (1/4) * (7/7)

(2/7) * (4/4) + (1/4) * (7/7) = 8/28 + 7/28 = 15/28

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2 years ago

2t+8 > -4 (t+1)<br> THE > HAS A LIL LINE UNDER IT :)<br> > = ____<br> _

lara31 [8.8K]

2t + 8 ≥ -4(t+1)

PEMDAS

2t + 8 ≥ -4t - 4

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2 years ago

Pls help and remember to include the paranthesis

nydimaria [60]

I did this to get 47.5 as the answer not 47 im not sure why but i did (61-7+7×1/2)+17 using the PEMDAS please excuse my dear aunt sally
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2 years ago

Solve for c.

Vanyuwa [196]

Answer:

Step-by-step explanation:

solve for c by simplifying both sides of the equation then isolate the variable

6 0

2 years ago

What are the solutions of the quadratic equation? 4x^2+34x+60=0

insens350 [35]

Answer:

Option 3) -6,-5/2

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$4x^{2} +34x+60=0$

$a=4\\b=34\\c=60$

substitute in the formula

$x=\frac{-34(+/-)\sqrt{34^{2}-4(4)(60)}} {2(4)}$

$x=\frac{-34(+/-)\sqrt{196}} {8}$

$x=\frac{-34(+/-)14} {8}$

$x_1=\frac{-34(+)14} {8}=-\frac{20}{8}=-\frac{5}{2}$

$x_2=\frac{-34(-)14} {8}=-6$

6 0

2 years ago