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KIM [24]
2 years ago
12

Evaluate -5x+8 when x=3 The value of the expression is

Mathematics
2 answers:
Effectus [21]2 years ago
3 0

Answer:

-7

Step-by-step explanation:

replace x by 3

-5^3+8

-15+8

=-7

Lostsunrise [7]2 years ago
3 0
The answer is -7
-5x+8
-5(3)+8
-15+8
-17
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Mai gave half of her brownies, and then half a brownie more, to Kiran. Then she gave half of what was left,
givi [52]

Answer:

x = 7

Step-by-step explanation:

all we know is that she had 1 brownie at the end, in the end she gave half her brownie to tyler, so add one who will get 1 1/2, before that she split her brownies between her friends, so multiply 1 1/2 by 2 and you will get 3, before that she gave 1/2 a brownie to Kiran, so we would add 1/2 to 3 and get 3 1/2, before that she first split it in half for a her friends, so at last,  multiply 3 1/2 by 2 and you will geet 7 as your final answer.

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2 years ago
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Can someone help me with this problem.
Kryger [21]
It would be 8√17 because the seventeens don't change only the one that subtracting 9.
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2 years ago
The ratio of the measures of the angles in cat is 2:7:9. find the measure of the smallest angle.
iren2701 [21]

Answer:

20º

Step-by-step explanation:

Total parts

2  + 7 + 9 = 18

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2 years ago
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50 POINTS IF YOU ANSWER CORRECTLY!
melisa1 [442]

Answer:

<u>Problem 4:</u>  Option C, 32

<u>Problem 5:</u>  You need to have the 2 and the x combine.  Make the table 2x than 16.

<u>Problem 6:</u>  x = 17

<u>Problem 7:</u>  She drew a 2, x and an 16.  Instead you must have 2x and 16.  2x + 16 = 50

Step-by-step explanation:

<u>Problem 4</u>

2 + x + 16 = 50

x + 18 - 18 = 50 - 18

x = 32

Answer:  Option C, 32

<u>Problem 5</u>

You need to have the 2 and the x combine.  Make the table 2x than 16.

Answer:  You need to have the 2 and the x combine.  Make the table 2x than 16.

<u>Problem 6</u>

2x + 16 - 16 = 50 - 16

2x / 2 = 34 / 2

x = 17

Answer:  x = 17

<u>Problem 7</u>

She drew a 2, x and an 16.  Instead you must have 2x and 16.  2x + 16 = 50

Answer: She drew a 2, x and an 16.  Instead you must have 2x and 16.  2x + 16 = 50

4 0
3 years ago
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= Homework: Section 9.6
MA_775_DIABLO [31]

Answer:

here is an an example

Step-by-step explanation:

Let x = the width of the rectangle

P = 2l + 2w

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80 + 2x ≤ 150

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x ≤ 35 cm

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2 years ago
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