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GuDViN [60]
2 years ago
11

Please help I domt understand​

Mathematics
1 answer:
Varvara68 [4.7K]2 years ago
6 0
Standard form of an equation is Ax + By = C
So here, y = 2/5 * x - 3
y = (2x - 15) / 5
5y = 2x - 15
2x - 5y = 15
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What is the rate of change from 1 to 3
lana [24]

The rate of change is    (amount of the change) / (time it took to change) .

Amount of the change = (3 - 1) = 2 .

Rate of change = (2) / (time it took to change from  1  to  3) .

3 0
3 years ago
Maggie says that if the expression was 12÷3to the second power, you would divide before simplifying 3 to the second power. Is sh
mezya [45]

Answer:

Maggie is incorrect.

Step-by-step explanation:

PEMDAS tells us the order of operations and the steps of solving a mathematical statement. It states that exponents must be performed before multiplication or division.

P - Parentheses

E - Exponents

M - Multiplication

D - Division

A - Addition

S - Subtraction

Therefore, to solve 12÷3² correctly, 3² needs to be simplified to 9 <em>before</em> dividing.

I hope this helps!

4 0
3 years ago
Three times a number, x, increased by four is equal to five times the number, x. Which equation can be used to solve
ikadub [295]

Answer:

=5x⁴+3x

=-2x+4

=8x+4

=-2x-4

Step-by-step explanation:

hope it's help

7 0
3 years ago
What is 60*4= Tens= Tens=
rusak2 [61]
To do multiplication, what you must do is multiply each number from right to left and add.
 For example
 60 * 4
 4 * 0 = 0
 6 * 4 = 24
 The result is
 240
 answer
 60 * 4 = 240
3 0
3 years ago
Evaluate <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%7Bm%7D%5E%7B2%7D%20%20%2B%20%20%7Bm%7D%5E%7B%20-%202%7D%20%2B%20
zysi [14]

Answer:

9.5

Step-by-step explanation:

(0.5^2 + 0.5^-2 + 0.5) / 0.5 = 9.5

Hope this help! :)

4 0
3 years ago
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