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marissa [1.9K]
3 years ago
9

' X (8 X 9) .8 gm X 8 '7

Mathematics
1 answer:
ella [17]3 years ago
8 0
The answer is 40 because the 5×8=40 and the rest cancel out
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Evan is going to the 50th state fair this weekend, it cost $10 to enter and each ride is $2. Create a linear function that could
alexgriva [62]

Answer:

y represents the total amount he spent in x amount of rides+ the $10 fee.

Step-by-step explanation:

At x=0, y=10 because he needs to pay $10 to enter, and he haven't rode on anything yet.

x=1, y=12

x=2, y=14

x=3, y=16

... and so on.

3 0
3 years ago
Simplify the expression<br> (5k^2)^3<br><br> 5k^6<br> 5k^8<br> 125k^5<br> 125k^6
o-na [289]
(5k²)³
(5³)(k²)³
125k⁶

The answer is D.
6 0
4 years ago
Find the product.<br> (4x - 3y) (2x + y)
antoniya [11.8K]

Answer:

8x^2 - 2xy + 3y^2

Step-by-step explanation:

Use the FOIL method

8x^2 + 4xy - 6xy + 3y^2

8x^2 - 2xy + 3y^2

7 0
4 years ago
Simplify 2x(4x3-3x2+6x)​
dedylja [7]

Answer:

\displaystyle \boxed{12x^2 - 6x^3 + 8x^4}

Step-by-step explanation:

\displaystyle 2x(4x^3 - 3x^2 + 6x) \\ \\ \boxed{8x^4 - 6x^3 + 12x^2}

** The above answer is written in reverse, which is the exact same result.

I am joyous to assist you anytime.

7 0
3 years ago
Solve the simultaneous equations by substitution<br> 3y - 2x = -7<br> 5x + 3y = 28
iragen [17]

Answer:

(5, 1 )

Step-by-step explanation:

Given the 2 equations

3y - 2x = - 7 → (1)

5x + 3y = 28 → (2)

Rearrange (1) expressing 3y in terms of x by adding 2x to both sides

3y = - 7 + 2x

Substitute 3y = - 7 + 2x into (2)

5x - 7 + 2x = 28

7x - 7 = 28 ( add 7 to both sides )

7x = 35 ( divide both sides by 7 )

x = 5

Substitute x = 5 into either of the 2 equations and solve for y

Substituting into (2)

5(5) + 3y = 28

25 + 3y = 28 ( subtract 25 from both sides )

3y = 3 ( divide both sides by 3 )

y = 1

solution is (5, 1 )

4 0
3 years ago
Read 2 more answers
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