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erik [133]
3 years ago
9

60 POINTS ! BRAINLIEST IF YOU ANSWER NOW

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
3 0

Answer:

y=5x

Step-by-step explanation:

The table is given as:

x       |       y

2       |        10

4       |         20

6       |         30

8       |          40

A proportional relation satisfy the relation: y=kx

We can substitute any x value with the corresponding y-value and solve for k.

When x=2,y=10

This implies that:

10=2k

Divide both sides by 2 to get:

k=5

Hence the equation is y=5x

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A rectangle has a perimeter of 165.4 kilometers and a height of 20 kilometers. What is the length of the base?
KATRIN_1 [288]

Answer: Follow the Steps Below.

Step-by-step explanation: Simply divide the area of the rectangle by its height to find its base. Other forms of solving for the base can be accomplished knowing diagonal length by simply taking the square root of the diagonal length squared minus its height squared.

5 0
3 years ago
I need help with this math question
djyliett [7]
Percent means per one hundred so we can say that:

p/100≈(28)/(28+81+45+63+35)  guessing with my old eyes :)

p/100≈28/252

p≈2800/252

p≈11.11%

So rounded to the nearest 5% you'd have:

p≈10%
5 0
4 years ago
(8b+12)+(3n+6)+(9b-4)
Bas_tet [7]

Answer:

17b+3n+14

Step-by-step explanation:

no any step

okk

finished

5 0
3 years ago
Read 2 more answers
You are a running a concession stand selling hot dogs and sodas each hot dog costs .75 cents and each soda costs $1.25. You sold
tatiyna
<span>Each hot dog costs $ 1.50 and each soda costs $ .50. You made a total of $ 78.50. You sold a total of 87 hot dogs and sodas combined. You must report the number of hot dogs and soda's sold. How many hot dogs and soda's were sold? 

Quantity Equation: h + s = 87
Value Equation:: 1.5h+0.5s=78.50

Multiply thru the Quantity Equation by 15
Multiply thru the Value Equation by 10.

15h + 15s = 15*87
15h + 5s = 785</span>Subtract and solve for "s":<span>10s = 520
</span>s = 52 (# of soda's sold)
<span>
Solve for h:
h + s = 87
h + 52 = 87
h = 35 (# of hot dog's sold)</span>
6 0
3 years ago
Read 2 more answers
Ellas book bag contains 10 markers: 6 red, 3 blue, and 1 orange what is the ratio of blue markers to the total number of markers
ale4655 [162]

Answer:

3:10

Step-by-step explanation:

We have to do blue markers: total markers

Just plug those values in

3 blue markers: 10 total markers

remove the labels

3:10

Let me know if you have any questions

6 0
3 years ago
Read 2 more answers
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