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nasty-shy [4]
3 years ago
14

Could I get help on this question

Mathematics
1 answer:
forsale [732]3 years ago
5 0
The answer is 500 becuase it is
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Please help. I’m confused
Simora [160]

Answer:

when x=6, y=30

when x=7.5, y=37.5

Step-by-step explanation:

Just plug in the value of x into the equation y=5x

so when x=6, the equation will be y=5(6).  In this case y=30

when x =7.5, the equation will be y=5(7.5). So y=37.5

6 0
3 years ago
Write the algebraic expression of “the sum of a multiple of 3 and the number one greater than multiple of 3”
marysya [2.9K]

Answer:

9 IS THE ANSWER

Step-by-step explanation:

3*3=9

6 0
2 years ago
43⋅(10025)−50 please help me someone
Mashutka [201]
43 * (10025) - 50 = 431075 - 50 = 431025
5 0
3 years ago
Read 2 more answers
A collection of 19 coins consisting of nickels and dimes is worth $1.35. How many dimes are there
pshichka [43]

Answer:

There are 8 dimes there.

Step-by-step explanation:

This question is solved used a system of equations.

I am going to say that:

x is the number of nickels.

y is the number of dimes.

19 coins

This means that x + y = 19.

A nickel is worth $0.05. A dime is worth $0.1. The total of these coins is $1.35. So

0.05x + 0.1y = 1.35

How many dimes are there?

We have to find y.

From the first equation: x = 19 - y.

Replacing in the second:

0.05(19 - y) + 0.1y = 1.35

0.95 - 0.05y + 0.1y = 1.35

0.05y = 0.4

y = 0.4/0.05

y = 8

There are 8 dimes there.

3 0
2 years ago
Pls help me! And explain how you found the answer pls
Dmitriy789 [7]

Answer:

y = \frac{1}{2} x - 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 22, - 14) and (x₂, y₂ ) = (- 18, - 12)

m = \frac{-12+14}{-18+22} = \frac{2}{4} = \frac{1}{2} , thus

y = \frac{1}{2} x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (- 18, - 12) , then

- 12 = - 9 + c ⇒ c = - 12 + 9 = - 3

y = \frac{1}{2} x - 3 ← equation of line

6 0
3 years ago
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