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Valentin [98]
3 years ago
5

How do you round 30.92 in a whole number

Mathematics
2 answers:
AnnZ [28]3 years ago
7 0
When rounding to a whole number, you take the closest number to the point, which in this case is 9, and round that. If the number is above 4, then round up. If it is below 5, round down. So in this case, the answer is:

31
wolverine [178]3 years ago
6 0
It would round up to 31 because the decimal place is greater than 5
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Can you help me? <br><br> 4+3(x+5)=5x-7
PSYCHO15rus [73]

Answer:

13

Step-by-step explanation:

4 + 3(x + 5)=5 x - 7

3x + 19=5x - 7

3x + 19 - 19=5x - 7 - 19

3x =5x - 26

3x - 5x=5x - 26 - 5x

-2= -26

-2x/-2 = -26/-2

x= 13

It might be wrong. I may have made a mistake with typing sorry.

Hope this helps a bit.

6 0
3 years ago
The scale factor for a model is 5cm= m model: 9.5cm actual : 30.5m
MaRussiya [10]

We are given dimensions of model and actual figure.

model: 9.5cm actual : 30.5m.

We need to find the length of actual shape for the scale factor 5cm.

Let us assume actual length be x m.

Let us set a proportion now.

<h3>5 : x = 9.5 : 30.5</h3>

Let us convert proportion into fractions.

\frac{5}{x}=\frac{9.5}{30.5}

On cross multiplying, we get

9.5x = 5× 30.5

9.5x = 152.5.

On dividing both sides by 9.5, we get

\frac{9.5x}{9.5}=\frac{152.5}{9.5}

x=16.05.

<h3>Therefore, the scale factor for a model is 5cm= 16.05 m.</h3>

6 0
3 years ago
What is the volume of the regular pyramid below?
Shtirlitz [24]

Answer:C

Step-by-step explanation:

6 0
3 years ago
Help me now !!!!!<br> help i need help
iren2701 [21]

cylinder:

V = πr²h

V = 3.14(2)² * 3

V = 3.14(4) * 3

V = 3.14(12)

V = 37.7m³

rectangular prism:

V = lwh

V = (2.4)(9)(5)

V = 108m³

the entirety of the sculpture:

V = volume of cylinder + volume of rectangular prism

V = 37.7 + 108

<u>V = 145.7m³</u>

4 0
2 years ago
The number of students in a math club decreased from 15 to 11. What is the percent decrease? Round to the nearest percent.
Alinara [238K]

Answer:

27%

Step-by-step explanation:

Decrease= 15-11

=4

Percentage=4÷15

=0.266666667

=26.667%

~27%

4 0
3 years ago
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