2 years ago

Compute the average (mean) from the data shown. (round to the nearest whole number)

Mathematics

1 answer:

Norma-Jean [14]2 years ago

3 0

Answer:the answer is B 60.

Step-by-step explanation:

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2/5;0.5 tell whether each pair shows equivalent number

Georgia [21]

2/5= 40%, so no, they are not equivalent numbers,<span />

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2 years ago

the density of a certain material is such that weighs 6900 grams for every 4.5 quarts of volume express this density in pounds p

dlinn [17]

Answer:

$d=101.4\ \text{pounds}/\text{feet}^3$

Step-by-step explanation:

Given that,

Mass of material, m = 6900 grams

Volume of the material, V = 4.5 quarts

We need to find the density in pounds per cubic foot

We know that,

1 pound = 453.59 grams

⇒ 6900 grams = 15.21 pounds

Also, 1 cubic foot = 29.92 quarts

4.5 quart = 0.15 feet³

Density = mass/volume

$d=\dfrac{15.21\ \text{pounds}}{0.15\ \text{feet}^3}\\\\d=101.4\ \text{pounds}/\text{feet}^3$

Hence, the density of the material is $101.4\ \text{pounds}/\text{feet}^3$

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2 years ago

PLS HELP I WILL DO ANYTHING PLS

olganol [36]

447 with 0 remainder

4 0

1 year ago

If the ratio of the length to the breadth of a rectangle be 5:3 and its perimeter is 144m find the length of the rectangle

Kamila [148]

Answer:

length=45 m (2 sides = 90m)

Step-by-step explanation:

5x +3x=144

8x=144

x=18 (each of the 8 parts of 144 measure 18m)

5(18) + 3(18)=144

90 +54=144

90/2=45 (1 length side)

54/2=27 (1 width side)

The rectangle= 45+45 +27+27 = 144

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2 years ago

Plz ASAP<br><br> 40 POINTS!!!!!

LiRa [457]

Answer:

2 x 4 =8

Step-by-step explanation:

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2 years ago

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