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IRISSAK [1]
3 years ago
7

A student is trying to solve the set of two equations given below: Equation A: x + z = 6 Equation B: 3x + 2z = 1 Which of the fo

llowing is a possible step used in eliminating the z-term? Multiply equation A by −2. Multiply equation B by 2. Multiply equation A by 3. Multiply equation B by 3.
Mathematics
2 answers:
solong [7]3 years ago
8 0
A) multiply equation A by -2 so you get -2x - 2z = -12 and then you can add both equations to eliminate z
velikii [3]3 years ago
8 0
A is the answer helper to to it before me lol
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HELPLPLPLP <br> SOMEONE EXPLAIN
lesya [120]

Answer:

646.0 cm^3

Step-by-step explanation:

The volume of this cube with side length 8 cm is (8 cm)^3, or 512 cm^3.

The volume of the hemisphere (half sphere) is

V = (1/2)(4/3)(pi)(4 cm)^3                     (since half of the diameter, 8 cm,

V = (2/3)(3.14)(64 cm^3), or                   is the radius)

V = 133.86 cm^3, or approximately 133.9 cm^3.

The volume of the entire solid is (512 + 133.9) cm^3, or 646.0 cm^3

                                                           

6 0
3 years ago
Marybeth opened her bank account with $125. She spends $10 every 3 weeks. Write an equation that represents the balance of her a
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Answer:if she spends $10 dollars every 3 weeks it will take her 45 weeks to have her only $5 dollars left in her bank account

8 0
4 years ago
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Jpels truck weighs 3.2 tons how many pounds os that
statuscvo [17]
1 ton = 2000 pounds

.1 ton = 200 pounds

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6 0
3 years ago
The figure shows eight congruent triangles made by dividing a square that has an area of 64 cm2. What is the area of ABH?
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The answer is C) 8 cm squared.

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7 0
3 years ago
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The charge for ice skating is $3 for the skate rental and $2 per hour to skate. How much will you pay if you skate for. A. 2 hou
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4 years ago
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