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enyata [817]
3 years ago
11

Help pls i'll give brainliest, are they inverses or not explain why or why not

Mathematics
1 answer:
AfilCa [17]3 years ago
5 0
Is that algebra,????????
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Solve the system by elimination <br> x + 2y = -14 <br> x - y = 13
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Answer:

1 {x+2y= -14

2{x-y=13

x+2y= -14

2x-2y= 26

3x= -14+26

3x/3= 12/3

x= 4

while x-y=13

4-y=13

-y= 13-4

-y=9

-y/-1=9/-1

y= -9

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Solve the equation: PLEASE<br> −(3x−12)=9x−4
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Step-by-step explanation:

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Yasmin bought several items at the discount store.She paid 8.75 percent sales tax , an amount of $4.59,on the total amount of he
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Answer:

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salex tax= 8.75

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3 years ago
Adalimumab (Humira), a recombinant human monoclonal antibody, is available in a prefilled syringe containing 40 mg/0.8 mL. Calcu
Neporo4naja [7]

Answer:

The concentration of the drug is 50mg/mL.

Step-by-step explanation:

This problem can be solved by a rule of three.

In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.

When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too.

When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease.

In this problem, as the number of mg increases, so does the number of mL. It means the we have a direct rule of three.

Tha problem states that the antibody is available in a prefilled syringe containing 40 mg/0.8 mL. Calculate the concentration of drug on a mg/mL basis.

The problem wants to know how many mg are there in a mL of the drug.

40mg - 0.8mL

x mg - 1 mL

0.8x = 40

x = \frac{40}{0.8}

x = 50mg.

The concentration of the drug is 50mg/mL.

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3 years ago
Depreciation is a process describing how something loses its value over time. A 2021 Ford F150 will lose 7% of its value each ye
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Answer:

which book is this

Step-by-step explanation:

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3 years ago
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