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3 years ago

Use the gif of 48 and 30 to write the sum of the two numbers as the product or their god and another sum

Mathematics

1 answer:

Alexandra [31]3 years ago

5 0

The answer is going to be 18 because they if you take away 30 from
48 it gives you 18...

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(7.8×10^7) + (9.9×10^7)

Hatshy [7]

(7.8×10⁷)+(9.9×10⁷)
(7.8×10000000)+(9.9×10000000)
(78000000)+(99000000)
177000000

8 0

2 years ago

In ΔVWX, v = 390 inches, w = 390 inches and x=500 inches. What is the sum of ∠Vand∠W?

Stolb23 [73]

The answer would be 390+ 390 =780

6 0

2 years ago

Kim spent $33 on a magazine and

loris [4]

Answer:

Seven candy bars.

Explanation:

Suppose the number of candy bars purchased is x

The questions say he bought A magazine, means one magazine

the equation is:

4x + 5 = 33

4x = 33 – 5

4x = 28

x = 7

Kim bought 7 candy bars.

Hope this helps! :)

5 0

2 years ago

Read 2 more answers

What is the percent of change from 500,000 to 20,000?

photoshop1234 [79]

Answer:

96 decrease

Step-by-step explanation:

5000000-20000=

480000/500000 x 100

96% decreased

8 0

2 years ago

Read 2 more answers

Find the standard deviation of 21, 31, 26, 24, 28, 26

Vesnalui [34]

Given the dataset

$x = \{21,\ 31,\ 26,\ 24,\ 28,\ 26\}$

We start by computing the average:

$\overline{x} = \dfrac{21+31+26+24+28+26}{6}=\dfrac{156}{6}=26$

We compute the difference bewteen each element and the average:

$x-\overline{x} = \{-6,\ 5,\ 0,\ -2,\ 2,\ 0\}$

We square those differences:

$(x-\overline{x})^2 = \{36,\ 25,\ 0,\ 4,\ 4,\ 0\}$

And take the average of those squared differences: we sum them

$\displaystyle \sum_{i=1}^n (x-\overline{x})^2=36+25+4+4+0+0=69$

And we divide by the number of elements:

$\displaystyle \sigma^2=\dfrac{\sum_{i=1}^n (x-\overline{x})^2}{n} = \dfrac{69}{6} = 11.5$

Finally, we take the square root of this quantity and we have the standard deviation:

$\displaystyle\sigma = \sqrt{\dfrac{\sum_{i=1}^n (x-\overline{x})^2}{n}} = \sqrt{11.5}\approx 3.39$

8 0

3 years ago