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Oduvanchick [21]
3 years ago
14

Evaluate the expression 2bc^2 for b = 1.5 and c = 5.

Mathematics
1 answer:
salantis [7]3 years ago
3 0

Answer:

108

Step-by-step explanation:

2(1.5)(6^2)=3(36)=108

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3. Write an equation for the line that is perpendicular to the given line and that passes through the given point. y = 4x + 1 (1
asambeis [7]

Answer:

D. y = -1/4x + 3

Step-by-step explanation:

If the line is perpendicular, it will have a opposite reciprocal slope.

So, the slope will be -1/4.

Plug in this slope and the given point into y = mx + b, and solve for b:

y = mx + b

-6 = -1/4(12) + b

-6 = -3 + b

-3 = b

Plug in the slope and y intercept into y = mx + b

y = -1/4x - 3

So, the correct answer is D. y = -1/4x + 3

8 0
2 years ago
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What value is true of x makes this equation true 0.7x-5=0.2x+1
Sever21 [200]

Answer:

x=12

Step-by-step explanation:

First you make sure x is on both sides of the equation. So you do 0.7x-5-0.2x=0.2x+1-0.2x. Which just simplifies to 0.5x-5=1. You make sure x is the only thing on that side of the equation so you do 0.5x-5+5=1+5 which simplifies to 0.5x=6. Multiply the equation times 2 to just have x. x=12. The value that makes true of x is 12.

7 0
3 years ago
Help............please
marin [14]

Answer:

k=5

Step-by-step explanation:

subtract 14 from both sides

4 0
2 years ago
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5a +4b+c-3a-c+4b simplified
MAVERICK [17]

Answer:

2a + 8b

Step-by-step explanation:

4 0
3 years ago
BRAINLIEST TO CORRECT QUICKLY
Pani-rosa [81]

Answer:

-6 3/8 < -7/8

Step-by-step explanation:

Answer:

-6 3/8 < -7/8

Showing Work

Using the given inputs:

-6 3/8 -7/8

Rewriting these inputs as improper fractions:

-51/8 and -7/8

Since we have like denominators we compare the inputs by the numerators:

Therefore, comparison shows:

-6 3/8 < -7/8

8 0
2 years ago
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