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3 years ago

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I need help with my math

1 answer:

natta225 [31]3 years ago

3 0

Hello There!

Your answer is In Image Provided.

I have also included steps I made for a question I answered similar to this.

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Opposite reciprocal of -2/3? geometry/algebra

Ulleksa [173]

The answer would be -3/2

A reciprocal is the inverse of a number.
When using this in fractions just switch the numerator and denominator. This is done by dividing the fraction by one, but in the case of a negative fraction you would divide by negative 1.

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3 years ago

Priya's family exchanged 250 dollars for 4,250 pesos. Priya bout a sweater fo 510 pesos. How many dollars did the sweater cost?

Elena L [17]

30 dollars.

1 dollar = 17 pesos.

510 ÷ 17 =30

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3 years ago

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Dave is trying to save money for a new video game console that costs $325. he has already saved $150. If he saves $25 a week, ho

r-ruslan [8.4K]

It will take Dave 7 weeks to earn the right amount of money.

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3 years ago

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Zach is a shoe salesman, and he works on commission. This week, there is a special incentive to sell shoes and boots by a certai

Alexandra [31]

Answer:

Zach earns $10 and for the pair of boots Zach earns $15

Step-by-step explanation:

Let be x the number of pairs of shoes

Let be y the number of pairs of boots

Then we can establish the following system of equations with the data of the statement:

$5x + 9y = 185 \\7x + 9y = 205$

We subtract the second equation from the first equation to eliminate the variable y and solve for x, just like this:

$7x+9y-5x-9y=205-185\\2x=20\\x=\frac{20}{2}\\x=10$

For y replacing in the first equation the value of x and solving for y:

$5.10 + 9y = 185\\9y=185-50\\y=\frac{135}{9}\\y=15$

So for the pair of shoes Zach earns $10 and for the pair of boots Zach earns $15

Please mark be as brainliest if you found this helpful. please

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2 years ago

48.0g piece of metal is dropped into 50.0mL of water in a graduated cylinder. The water level rises to 62.4mL. What is the densi

luda_lava [24]

Subtract 50 mL from 62.4 mL to get the volume of the metal. Then, divide the mass (48g) by the volume to get your density

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3 years ago

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