2 years ago

HELPPPPPPPPPPPPPP!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Debora [2.8K]2 years ago

8 0

Answer:

Step-by-step explanation:

Hunter-Best [27]2 years ago

5 0

the answer is A : m=-1

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If it takes eight men ten hours to build a wall, how long would it take four men?

Darya [45]

Answer:

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2 years ago

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the daytime speed limit on interstate and state highways in texas is 70 miles per hour. at night, the maximum speed is 65 miles

exis [7]

I think it's c) the y-intercept would decrease

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3 years ago

Show the steps to get full credit 3 (2x + 2) = 18 + 4(x - 5)

Ghella [55]

Answer:

$x=-4$

Step-by-step explanation:

So we have the equation:

$3(2x+2)=18+4(x-5)$

Distribute the left and the right:

$3(2x)+3(2)=18+4(x)+4(-5)$

Simplify:

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Combine on the right:

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$(6x+6)-4x=(4x-2)-4x\\2x+6=-2$

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Divide both sides by 2:

$(2x)/2=(-8)/2\\x=-4$

Thus, the value of x is -4.

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3 years ago

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What is the solution to the system of equations? Use the substitution method. {y=−2x+5 3x−4y=2

GaryK [48]

We have that
y=−2x+5 --------> equation 1
3x−4y=2---------> equation 2
substituting 1 in 2
3x-4*(-2x+5)=2--------> 3x+8x-20=2--------> 11x=22-----> x=2
y=-2x+5-----> -2*2+5-----> y=1

the solution is
x=2
y=1

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3 years ago

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Pls helppppppppoppppppp

valentinak56 [21]

Answer:

H. 3 $\frac{3}{4}$ feet

Step-by-step explanation:

Length of scale drawing = $\frac{3}{12}$ × 15feet

= 3 $\frac{3}{4}$ feet

3 0

2 years ago