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Zigmanuir [339]

3 years ago

8

Rewrite the following mixed number as a decimal. 17 37/50

2 answers:

miv72 [106K]3 years ago

6 0

Answer:

17.74

Step-by-step explanation:

To write a fraction as a decimal, one of the easiest ways to do so is to turn the denominator into 100. The whole number will stay the same if the numerator is less than the denominator. So in this case, 17 stays the same. To change 37/50 to a fraction with a denominator of 100, multiply by 1 (1/1, 2/2, etc). In this case, we multiply by 2/2. This means 37/50 is equivalent to 74/100. 74 over 100 is 0.74, since 74 out of 100 is 74%. Then to convert a percent to decimal, move the decimal place two places to the left. 74.00 two decimal places to the left is 0.74. Then add the whole number 17. 17 + 0.74 is equal to 17.74.

Annette [7]3 years ago

6 0

Answer:

Step-by-step explanation:

17.74 i think

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The sum of two numbers a and b is 7 and the difference between them is 2. What is the value of a x b ? Give your answer as a mix

Andre45 [30]

Answer:

45/4

Step-by-step explanation:

We can interpret the question to have two equation which can be solve simultaneously

a+b=7------------(1)

a-b=2------------(2)

From eqn(2) make a subject of formula

a=2+b--------(3)

Substitute the (3) into eqn(1)

a+b=7------------(1)

2+b+b=7

2b=7-2

2b=5

b=5/2

From equation (3) substitute value of b to find a

a=2+b--------(3)

a= 2+5/2

a=9/2

Then What is the value of a x b ?

9/2× 5/2

=45/4

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3 years ago

It takes Fred 32 minutes to type and spell check 5 pages of a manuscript. Find how long it takes

sveta [45]

Answer:

26

Step-by-step explanation:

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6 0

3 years ago

What is the missing number

just olya [345]

8 is the missing number
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3 years ago

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Julli [10]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

The object on the right is made from a square-based pyramid joined to a cuboid.

spayn [35]

Answer:

Density of steel = 80.73 gm/ $cm^3$

Step-by-step explanation:

The figure is made up of cuboid and square pyramid.

Height of cuboid, h = 9 cm

Length of cuboid, l = 6 cm

Width of cuboid, w = 6 cm

Volume of cuboid is given by the formula:

$V_{Cuboid} = l \times w \times h$

$V_{Cuboid} = 6 \times 6 \times 9\\\Rightarrow V_{Cuboid} = 324\ cm^3$

Density of Wood , $D_{Cuboid}$ = 0.68g/ $cm^3$

We know that formula of Density is:

$Density = \dfrac{Weight}{Volume}$

$D_{Cuboid} = \dfrac{W_{Cuboid}}{V_{Cuboid}}\\\Rightarrow W_{Cuboid} = V_{Cuboid} \times D_{Cuboid}$

Putting the values:

$W_{Cuboid} = 324 \times 0.68 = 220.32\ gm$

Total weight = $W_{Cuboid} + W_{Pyramid}$

970 = 220.32 $+ W_{Pyramid}$

$W_{Pyramid}$ = 749.68 gm

Volume of pyramid is given as:

$V_{Pyramid}= \dfrac{1}{3} \times \text{Area of Base} \times \text{Vertical Height}$

Base is a square with side 6 cm

$V_{Pyramid}= \dfrac{1}{3} \times 6 \times 6 \times (17 -9)\\V_{Pyramid}= 96\ cm^3$

Density of Steel/Pyramid:

$D_{Pyramid} = \dfrac{W_{Pyramid}}{V_{Pyramid}}\\\Rightarrow D_{Pyramid} = \dfrac{749.68}{96}\\\Rightarrow D_{Pyramid} = 80.73\ gm/cm^3$

5 0

4 years ago