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WINSTONCH [101]
2 years ago
14

Evaluate the following expression, when n=-3 and r=-8 −5 + 3(−2r + 4n) Pease answer ASAP

Mathematics
1 answer:
Hunter-Best [27]2 years ago
3 0

Answer:

-8

Step-by-step explanation:

Given that,

n = -3

r = -8

Now we have to find the value of the given expression.

For that, you have to replace n and r with ( -3 ) and  ( -8 ) respectively.

Let us solve now.

−5 + 3 ( −2r + 4n )

-5 + 3 ( -2 × -8 + 4 × -3 )

-2 ( 16 - 12 )

-2 × 4

-8

Let me know if you've any other questions. :-)

- Hi1315

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Which of these numbers has the greatest absolute value? A. -3 B. 5 C. 1 D. -9
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Answer:

b. 5

Step-by-step explanation:

I don't have a step by step response but I hope this helps

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3 years ago
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Answer:

6.5

Step-by-step explanation:

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Tv emporium had a huge sale in the morning 5/12 of the flat screen televisions were sold in the afternoon one-third of the flat
lara [203]

Answer:

Total number of flat screen sold is 3/4

Step-by-step explanation:

Let the total number of the flat screen sold be y

y = number of flat screen sold in the morning + number of the flat screen sold in the afternoon.

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Number sold in the afternoon = 1/3

Y = 5/12 + 1/3

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3 0
3 years ago
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What does v= Bh over 3 for B=36 inches squared. and h=11 inches equal.
Varvara68 [4.7K]
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3 0
4 years ago
The linear combination method gives a solution of (–4, 2) for which of these systems of linear equations?
Andrew [12]

Answer:

3x + 13y = 14

6x + 11y = -2

Step-by-step explanation:

<em>See Attachment for complete question</em>

To determine which of the options has (-4,2) as its solution; we have to test each linear combination until we arrive at an answer;

Given that

(x,y) = (-4,2)

Testing Option A

3x + 13y = 14

6x + 11y = -2

Substitute x = -4 and y = 2 in 3x + 13y = 14

3(-4) + 13(2) = 14

Open Brackets

-12 + 26 = 14

14 = 14

Substitute x = -4 and y = 2 in 6x + 11y = -2

6(-4) + 11(2) = -2

Open Brackets

-24 + 22 = 2

2 = 2

<em>In both cases, the expression on the right hand side equates to that on the left hand side; </em>

<em>Hence, there's no need to check for other options. </em>

8 0
4 years ago
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