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lisov135 [29]
2 years ago
13

What is the value of the expression 2.5 (j.k) j when je 6 and K = 4? OA) 6 OB) 8 OC) 10 OD) 12

Mathematics
1 answer:
Vadim26 [7]2 years ago
7 0

Answer:

C

Step-by-step explanation:

substitute the given values for j and k into the expression

\frac{2.5(6)(4)}{6}

= \frac{2.5(24)}{6}

= \frac{60}{6}

= 10

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A tape diagram. There are 65 students out of 100 students who ride the bus. There are question mark students out of 800 students
SVEN [57.7K]

Answer:

<em>800÷100 = 8</em>

<em>65×8=520</em>

\frac{520}{800}

another way:

<em>100%-65%=35%</em>

<em>35% = 0.35</em>

<em>800×0.35= 280</em>

<em>800-280=</em>520

another way:

<em>65% = 0.65</em>

<em>0.65×800=</em>520

Hope it helped! :)

6 0
2 years ago
A company has two manufacturing plants with daily production levels of 5x+17 and 3y-4,respectively.
Troyanec [42]

Complete question :

A company has two manufacturing plants with daily production levels of 5x + 11 items and 2x - 3 items, respectively, where x represents a minimum quantity. The first plant produces how many more items daily than the second plant?

Answer:

3x + 14

Step-by-step explanation:

Given that:

Production level of plant 1 = 5x + 11

Production level of plant 2 = 2x - 3

The first plant produces how many more items daily than the second plant :

Plant 1 production - plant 2 production

(5x + 11) - (2x - 3)

Open the bracket :

5x + 11 - 2x + 3

5x - 2x + 11 + 3

3x + 14

Daily production of plant 1 exceeds that of plant 2 by 3x + 14

6 0
3 years ago
Find the value of the expression if x=12.<br> 1. 3x
Marizza181 [45]

Answer:

36

Step-by-step explanation:

X equals 12, substitute X for 12

3(12)=36

3 0
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Find the sum of 45 and 8.997
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Answer:

53.997

Step-by-step explanation:

if you add them up you get 53.997

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The standard deviation is the square root of the variance

so if the variance is 256, then the standard deviation is : sqrt 256 = 16 <==
5 0
3 years ago
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