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nevsk [136]
3 years ago
10

PLEASE HELPPPPPPPPPPPPPPPPPPPP

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
8 0

Answer:

(a) 6688 divided by 88 = 76

(b) 312 - 73 = 239

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What is 600,000,000 in scientific notation ?
Alenkinab [10]

Answer:

6 x 108 in scientific notation

Step-by-step explanation:

5 0
3 years ago
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Choose a system of equations with the same solution as the following system: 6x + 2y = −6 3x − 4y = −18
jeka57 [31]

Answer:

I do know that y = 3 and that x = -2, so any system that has that solution is correct.

Step-by-step explanation:

Multiplying the second equation by -2 and adding the equations will cancel out the x variable. The remaining equation is:

10y = 30. Therefore, y must be 3. Substituting y in for the first equation, we get:

6x + 6 = -6. That means x must be -2. I checked my work with the second equation:

-6 - 12 = -18.

The system results in a true statement, so the answer is y = 3 and x = -2.

8 0
3 years ago
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How many pairs of skew lines are shown? A. 24 B. 12 C. 4 D. 48
allsm [11]

Answer:

c

Step-by-step explanation:

not 100% sure

6 0
4 years ago
Name a number between 2.65 and 2.66. Explain how you get your answer. ..
Marianna [84]
<span>The 2 given numbers are 2.65 and 2.66
x = number between the given numbers

in a number line, 2.655 is the number in between both numbers.

- 2.65 – 2.651 – 2.652 – 2.653 – 2.654 – 2.655 – 2.656 – 2.657 – 2.658 – 2.659 – 2.66 -
Notice the given number line illustration, the midpoint of 2.65 and 2.66 numbers is 2.655.

Therefore, x = 2.655</span>



8 0
4 years ago
The altitude of a triangle is a perpendicular segment from the vertex to a line containing the
azamat

Answer:

H=\sqrt{91}

Step-by-step explanation:

The altitude falls in the middle of the line.

So, the point at which it falls in the bottom line is the midpoint, so the length of the blue triangle would be 6/2 = 3

So, the blue triangle has length of 3 and height of H and hypotenuse of 10.

Now, we will use Pythagorean Theorem to solve for H. The theorem is:

Leg^2 + Another Leg^2 = Hypotenuse^2

We know one leg of the triangle is 3 and another leg is H and hypotenuse is 10, so we substitute and solve:

3^2 + H^2 = 10^2\\9+H^2=100\\H^2=100-9\\H^2=91\\H=\sqrt{91}

This is the exact answer for H

6 0
3 years ago
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