3 years ago

Enter numbers into the table so that the paired values are in a proportional relationship.

Mathematics

1 answer:

harina [27]3 years ago

7 0

Answer:

x=5

y=6

Step-by-step explanation:

you mulitply the numbers by 6

plz mark brainliest

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Solve the system by substitution.<br> y= -x<br> 10x+2y=40

patriot [66]

The answer would be (5,-5) I think.

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3 years ago

2. A medical study tests a new cough medicine on 4250 people. It is effective for 3982 people. What is the experimental probabil

Nutka1998 [239]

Answer:

For a 9000 people, the approximate number of people for whom the medicine will be effect is 8432 people

Step-by-step explanation:

Here we have probability is given by

Probability = $\frac{Number\, of \, Success}{Number\, of \, Trials}$ Where:

Number of success = 3982 and

Number of trials = 4250. therefore;

$Probability \, of \, Success = \frac{3982}{4250} = \frac{1991}{2125}$

Therefore, when the medicine is used on 9000 people, the approximate number of people for whom the medicine will be effect is given by;

$\frac{1991}{2125} = \frac{x}{9000} \rightarrow x \times2125 = 1991 \times 9000\\x = \frac{1991 \times 9000}{2125} = \frac{143352}{17} = 8432\frac{8}{17}$

or ≈ 8432 people.

3 0

3 years ago

When you learned to add decimals, you saw that lining up the decimal point in the addends is really important. Why do you think

bekas [8.4K]

Answer:

Why is it not necessary to line up the decimal point to multiply?

- In addition and subtraction, it is important to line up the place value columns because we can only add or subtract digits in the same place value columns.

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Teresa baked 39 cookies. her family are n of them.using n,write an expression for the number of cookies that remained

monitta

Answer:

39 - n

Step-by-step explanation:

subtract the number that the family ate from the amount baked

39 - n

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3 years ago

Need help ASAP ! Pls help!

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4 years ago