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Studentka2010 [4]

3 years ago

13

-5f-2+8-3k use f=7 and k=8

2 answers:

timofeeve [1]3 years ago

6 0

<span>-5f-2+8-3k
Substitute variables for numbers
-5(7)-2+8-3(8)
Multiply -5 by 7 and -3 by 8
-35-2+8-24
Combine like terms
Final Answer: -53</span>

yaroslaw [1]3 years ago

3 0

You have to plug in 7 for f and 8 for k making it look like -5(7)-2+8-3(8), now multiply to get the further more, -35-2+8-24, now add or subtract to get -53

Hope this helps

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4 0

3 years ago

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Lilit [14]

The answer is C..................

5 0

3 years ago

The point (1, –5) is reflected across the y-axis. A coordinate plane. What are its new coordinates?

luda_lava [24]

<h3>Answer: Choice C. (-1, -5)</h3>

Explanation:

The reflection rule we use is

$(x,y) \to (-x, y)$

when we want to reflect over the y axis. The x coordinate flips from positive to negative, or vice versa, while the y coordinate stays the same.

Therefore, $(1, -5) \to (-1, -5)$

7 0

3 years ago

Read 2 more answers

he weight of a chimpanzee, y, in pounds, x months after birth is modeled by the equation y=1.5x+8. Which represents the equation

soldi70 [24.7K]

The equation that represents x when solved is $x=\frac{y-8}{1.5}$

Given the equation that expresses the weight of a chimpanzee with respect to the months of birth as:

y = 1.5x + 8

We are to express x in terms of "y"

$y = 1.5x + 8$

Subtract 8 from both sides

$y -8= 1.5x + 8-8\\y-8 = 1.5x\\Swap\\1.5x = y - 8$

Divide both sides by 1.5

$\frac{1.x}{1.5}= \frac{y-8}{1.5} \\x=\frac{y-8}{1.5} \\$

Hence the equation that represents x when solved is $x=\frac{y-8}{1.5}$

Learn more here: brainly.com/question/21406377

8 0

3 years ago

What the equation for 5t-7

Alborosie

T= -1.4
hope the answer helps
you got to divide both sides by the number with the variable so by 5

7 0

3 years ago