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2 years ago

Mark's coach told him that he should

Mathematics

1 answer:

Georgia [21]2 years ago

5 0

Answer:

24 practices in 9 weeks

Step-by-step explanation:

Rate = 8 times / 3 weeks

8 times / 3 weeks * 9 weeks = 24 times

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What are the zeros of the quadratic function f(x) = 6x^2 + 12x - 7?

Sergeeva-Olga [200]

Answer:

-12 + √(144- 4(-42)/12

-12 + √312/12

-12 + 17.6 / 12

= +.47 and -.47

4 0

3 years ago

I will give 50 points

kupik [55]

Answer:

High

Step-by-step explanation:

the only numbers that don't overlap is 53 and 59 all the others would overlap.

5 0

2 years ago

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−4x − 5y − z = 18<br> −2x − 5y − 2z = 12 <br> −2x + 5y + 2z = 4

MrRissso [65]

Answer: (x,y,z) = (-4,0,-2)

Step-by-step explanation:

6 0

3 years ago

SUPER URGENT!!!!!!!! I NEED HELP!!!!!1 PLSSSS!!!!!Use the linear combination method to solve the system of equations. Explain ea

Vedmedyk [2.9K]

Answer:

x=-3,y=-2

Step-by-step explanation:

Given 2 expressions

S1: $3x-8y=7$

S2: $x+2y=-7$

Write one equation in terms of any variable (x or y)

Here I am writing S1 in terms of y

$3x-8y=7\\3x-7=8y\\y=\frac{3x-7}{8}$

Substitute this value of y as the value of y in S2

⇒ $x+2y=-7\\x+(\frac{3x-7}{8} )\times2=-7\\8x+6x-14=-56\\14x=-42\\x=-3$

Therefore $x=-3$

Substitute this value of x in any of the expressions S1 or S2

Here i am substituting in S2

⇒ $x+2y=-7\\-3+2y=-7\\2y=(-7+3)\\2y=-4\\y=-2$

Therefore x=-3 and y=-2

6 0

3 years ago

I need help please????

Feliz [49]

Answer:

x = - 1

Step-by-step explanation:

Given

3x + 2 = y and y = - 1

Substitute y = - 1 into the equation and solve for x, that is

3x + 2 = - 1 ( subtract 2 from both sides )

3x = - 3 ( divide both sides by 3 )

x = - 1

This is verified by the point on the graph with coordinates (- 1, - 1)

8 0

3 years ago

Read 2 more answers