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3 years ago

15

The inequality x-y>0 is satisfied by point (-1,1). Type true or false in the space provided.

1 answer:

rewona [7]3 years ago

8 0

Answer:

e8ew80e8fjc89re

Step-by-step explanation:

ewr98f8j divoerkl

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Alina spent no more than $45 on gas for a road trip. The first gas station she used charged $3.50 per gallon and the second gas

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Answer: 3.50x + 4.00y ≤ 45

0 < y < 11.25

<u>Step-by-step explanation:</u>

$3.50x + 4.00y \leq 45\\\\\\\text{Subtract 3.50x from both sides:}\\4.00y\leq -3.50x+45\\\\\\\text{Divide everything by 4.00 (to isolate y):}\\\dfrac{4.00y}{4.00}\leq \dfrac{-3.50x}{4.00}+\dfrac{45}{4.00}\\\\\\y\leq-0.875x+11.25\\\\\\\text{Both x and y must be greater than zero, so:}\\0$

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3 years ago

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Ellen has 60 feet of craft wire.She plans to cut it into pieces that are each 3 meters long.What is the greatest number of 3-met

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the answer will be B. 6

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3 years ago

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2 years ago

What is not equivalent to 36/72

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Any fraction that does not equal 1/2.

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3 years ago

The ratio of boys to girls in math classes is 3.5. If there are 130 girls in these classes, how many boys must there be?

dsp73

Answer:

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>

The ratio of boys and girls =3:5

Let

Number of boys=3x

Number of girls =5x

According to the question Numbers of girls=130

${:}\longrightarrow$ $\sf 5x=130$

Now interchange both sides and get x

${:}\longrightarrow$ $\sf x={\dfrac {130}{5}}$

${:}\longrightarrow$ $\sf x=26$

<h3>Now </h3>

The number of boys=3x

=3×26=78

$\therefore$ Number of boys is 78.

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2 years ago