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dem82 [27]
3 years ago
9

An inverse variation includes the points (15,1) and (n,5). Find n

Mathematics
1 answer:
djyliett [7]3 years ago
7 0
Inverse variation: y=k/x

1. plug in the values: (15,1)
1=k/15

2. solve for k

3. Now, plug in what you can for the second point: (n,5)
5=k/n (if you do the step above, you will know “k”.

4. Solve for “n”


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Question 3 (1 point)
dem82 [27]

Answer:

D. 7

Step-by-step explanation:

(8+4) = 2(x-1) multiply (x-1) by 2

(8+4) = 2x-2 add 8 and 4

12 = 2x-2 add 2 on both sides

14 = 2x divide both sides by 2

7 = x

4 0
3 years ago
Read 2 more answers
You and your friend are going to some candy. You eat 3/4 of a box of candy. Your friend eats 1/2 as much as you do. How much of
pochemuha

Answer:

\frac{3}{8}  of a box of candy your friend eat.

Step-by-step explanation:

Given:

You and your friend are going to some candy.

You eat 3/4 of a box of candy.

Your friend eats 1/2 as much as you do.

Now, to find that how much of a box of candy does your friend eat.

<em>Quantity of a box of candy you eat = </em>\frac{3}{4}<em />

<em>Quantity of candy your friend eat</em> = \frac{1}{2} \ of\ \frac{3}{4}

Now, to get how much the candy your friend eat we multiply 1/2 and 3/4:

= \frac{1}{2} \times \frac{3}{4}

= \frac{3}{8} .

Therefore, \frac{3}{8}  of a box of candy your friend eat.

7 0
3 years ago
Find the angles of a triangle whose two base angles are equal and whose third angle is 10° less than three times the base angle.
Illusion [34]

Answer:

well if the bottom two are 30 then that leaves you with 70

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
WHAT IS THE ANSWER TO -2(y-3)=22
Eva8 [605]
-2(y-3)=22 
-2y+6=22
-2y=16
y=-8
8 0
3 years ago
A nike bag cost $122 if for the holiday it's marked down by 20%. What is the total cost after tax if the tax is 8%
Sindrei [870]
The answer would be 105.41
Explantaion: 122 • 0.2=24.4
122-24.4=97.6
97.6•0.08=7.808 which rounded to the nearest hundredths would be 7.81 then 97.6+7.81=105.41
4 0
3 years ago
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