3 years ago

PLS HELP IF YOU ANSWER I WILL GIVE YOU BRAINLIEST ANSWER

Mathematics

1 answer:

Elodia [21]3 years ago

7 0

Answer:

4.5

Step-by-step explanation:

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Use substitution to solve the system of equations.

TEA [102]

Answer:

(4,-5)

Step-by-step explanation:

You can use substitution to substitute the answer options in for x and y or substitute an equation in to find each variable.

Substitute an equation is the traditional method and will allow you to solve without any answer options.

1. Substitute y=x - 9 into 3x+2y=2.

3x+2(x-9) = 2

3x+2x-18=2

5x-18=2

5x=20

x=4

2. Substitute x=4 into y=x-9.

y = 4-9

y=-5

(4,-5) is the solution.

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4 years ago

Find two different three digit numbers that have 2,5, and 7 as factors

sertanlavr [38]

700 and 350 are both factors of 2, 5, and 7.

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3 years ago

Read 2 more answers

The pharmacist uses 67mg, 100g and 0.6 kg of drug to compound 3 separate precription. how much total drug did the pharmacist use

FromTheMoon [43]

Answer: 700.067 g

Step-by-step explanation:

Given : The pharmacist uses 67mg, 100g and 0.6 kg of drug to compound 3 separate prescription.

We know that 1 gram= 1000 milligram

and 1 kilogram = 1000 grams

Then, By UNITARY METHOD, $\text{1 mg}=\dfrac{1}{1000}\text{ gram}$

Now, We convert each amount of drug into grams as ,

$67\ mg=67\times\dfrac{1}{1000}\ g\\\\=0.067\text{ g}$

AND

$0.6\ kg=0.6\times100=60\text{ g}$

Now, the total drug used by Pharmacist (in grams) = $0.067+100+600=700.067\ g$

Hence, Pharmacist used 700.067 g of total drug.

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3 years ago

NEED HELP ASAP

Fantom [35]

If you believe god is real then he is everyone has there own opinions, personally i think he is because i am christian.

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3 years ago

For a snack, sameer ate a plum with 32 calories and several strawberries with 4 calories each. if the total number of calories i

Bezzdna [24]

56 -32 =24
then
24 / 4 = 6
so, he ate 6 strawberries

6 0

4 years ago