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3 years ago

When five is added to three more than a certain number the result is19. What is the number

Mathematics

1 answer:

BabaBlast [244]3 years ago

8 0

Answer:

the answer is 11

Step-by-step explanation:

Due to the was its set up changes the way it looks. 5+(3+x)=19 and once its simplified 8+x=19 just subtract 8 from 19 and you get 11 so x=11.

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If anyone can help that would be great

rodikova [14]

Answer:

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Step-by-step explanation:

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4 0

3 years ago

Find the radius and diameter of a frisbee with a circumference of 11 pi inches.

nikdorinn [45]

Circumerence=2pir or dpi were r=radius and d=diameter
11pi=2pir
divid eobt sides by pi
11=2r
dvide 2
5.5=r

11pi=dpi
divide both sides by pi
11=d

diameter=11in
radius=5.5 in

6 0

4 years ago

Write three different sentences that could describe the relationship between the quantities $27, $81

Olenka [21]

1) 27+x=81
2)27+81=108
3)81-x=27

8 0

4 years ago

The table of values represents a function f(x).

TiliK225 [7]

Answer:

- The interval [9, 10] is 1,375% greater than the interval [5, 8].

- The interval [9, 10] is 14.75 times greater than the interval [5, 8].

Step-by-step explanation:

1. To solve this problem you must apply the following formula:

$AverageRateOfChange=\frac{y_{2}-y_{1}}{x_{2}-y_{1}}$

2. Let's calculate the average rate of change of each interval:

a) Interval [9,10]:

$=\frac{11,014-4,052}{10-9}=6,962$

b) Interval [5,8]:

$=\frac{1,491-75}{8-5}=472$

3. The difference is:

$6,962-472=6,490$

4. In percentage:

$(\frac{6,962-472}{472})(100)=1,375%$

5. You have that the interval [9,10] is 14.75 times greater than the interval [5,8], as you can see below:

$\frac{6,962}{472}=14.75$

3 0

4 years ago

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How is using mental math to add with decimals like using mental math to add whole numbers? How is it different?

zhuklara [117]

Well you use the same process really. Taking the individual numbers, lining them up and adding them. However, it is much more difficult because there is more to remember and you have to carry over more numbers. <span />

7 0

3 years ago

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