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myrzilka [38]
3 years ago
15

Evaluate the following expression: 5+7(3x+y) when x=12, y=8

Mathematics
2 answers:
Mice21 [21]3 years ago
7 0

Answer:

The answer is 313.

Step-by-step explanation:

You have to substitite the values of x and y into the expressions :

5 + 7(3x + y)

let \: x = 12,y = 8

5 + 7(3 \times 12 + 8)

= 5 + 7(36 + 8)

= 5 + 7(44)

= 5 + 308

= 313

timofeeve [1]3 years ago
5 0
First step is 5+7(36x+8y) because you have to distribute
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Which expression represents the prime factorization of 108?
ankoles [38]

Answer:

2×2×3×3×3

Step-by-step explanation:

●108=

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Writing the prime numbers;

108=2×2×3×3×3

4 0
2 years ago
Joe borrowed $6,000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in 3 years?
tatyana61 [14]

Answer:

$19,260

Step-by-step explanation:

6,000 * 7% = 420

6,000 + 420 = 6,420

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6 0
3 years ago
Graph a line that is parallel to the given line. Determine the slope ofthe given line and the one you graphed in simplest form.
Daniel [21]

original slope = -4/3

parallel slope = -4/3

Explanation:

For a line to be parallel to anpother line, the slope of both lines must be equal.

We need to find the slope of the given line by picking any two points on the line.

Using points (-6, 5) and (0, -3)

slope formula:

m\text{ = }\frac{y_2-y_1}{x_2-x_1}\begin{gathered} x_1=-6,y_1=5,x_2=0,y_2\text{ = -}3 \\ \text{slope = m= }\frac{-3-5}{0-(-6)}=\frac{-8}{0+6} \\ m\text{ = -8/6} \\ m\text{ = -4/3} \end{gathered}

The equation of the given line: y = mx + b

b = y-intercept = -3

y = -4/3x - 3

The equation line parallel to the one above could be:

y = -4/3 x + 7

This because the slope are the same

original slope = -4/3

parallel slope = -4/3

plotting the graph of the lline parallel to the first one:

3 0
1 year ago
A soccer league has 30 seventh-graders and 15 eighth-graders. Write the ratio of seventh-graders to eight graders.
9966 [12]

Answer:

2:1

Step-by-step explanation:

30/15=2/1

2:1  is the answer you are looking for

Hope it helped

Please mark me as Brainliest

7 0
3 years ago
Read 2 more answers
30 grams equals how many milligrams
OleMash [197]

Answer:

30000

Step-by-step explanation:

30 x 1000

3 0
3 years ago
Read 2 more answers
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