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bija089 [108]
3 years ago
9

What dose it mean in math when the question says give the scientific notation answer i keep geting the test wrong and i think im

suppose to do something else heres the problem
question 1- What is the number in scientific notation?

​0.0765

Enter your answer in the box.
Mathematics
1 answer:
julsineya [31]3 years ago
8 0

Answer:

Scientific notation is a manner of writing very huge or very small numbers. A variety is written in medical notation whilst a variety of among 1 and 10 is elevated with the aid of using a electricity of 10. For example, 650,000,000 may be written in medical notation as 6.5 ✕ 10^8.

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Triangle ABC is shown below.
zhannawk [14.2K]

Answer:

b

Step-by-step explanation:

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Which function will produce the same graph as the function shown below?<br>y= (x+1)(x+3)​
Valentin [98]

Answer:

y = x {}^{2}  + 4x + 3

Step-by-step explanation:

All you do is distribute the first parentheses into the second.

4 0
4 years ago
A hospital recorded the weights, in ounces, of newborn babies for two weeks. The
Gwar [14]

Answer:

The standard deviation for week two was about 3 ounces more than the standard deviation for week one

Step-by-step explanation:

Given

Week\ 1: 128, 105, 80, 82, 96, 98, 87, 100, 112, 126

Week\ 2: 75, 85, 90, 97, 89, 105, 110, 127, 129, 130

<em>See attachment for options</em>

Required

The true statement

<u>Checking the standard deviation</u>

<u>For week 1</u>

Calculate the mean:

\bar x = \frac{\sum x}{n}

\bar x = \frac{128+ 105+ 80+ 82+ 96+ 98+ 87+ 100+ 112+ 126}{10}

\bar x = \frac{1014}{10}

\bar x_1 = 101.4

Then standard deviation

\sigma = \sqrt{\frac{\sum(x - \bar x)^2}{n}}

\sigma_1 = \sqrt{\frac{(128 - 101.4)^2 +............+ (126- 101.4)^2}{10}}

\sigma_1 = \sqrt{\frac{2522.4}{10}}

\sigma_1 = \sqrt{252.24

\sigma_1 = 15.88

For week 2, we have:

\bar x = \frac{75+ 85+ 90+ 97+ 89+ 105+ 110+ 127+ 129+ 130}{10}

\bar x = \frac{1037}{10}

\bar x_2 = 103.7

Then standard deviation

\sigma_2 = \sqrt{\frac{(75 - 103.7)^2 +................+ (130- 103.7)^2}{10}}

\sigma_2 = \sqrt{\frac{3538.1}{10}}

\sigma_2 = \sqrt{353.81

\sigma_2 = 18.81

Compare the standard deviations

\sigma_1 = 15.88

\sigma_2 = 18.81

Calculate the difference:

d = \sigma_2 - \sigma_1

d = 18.81 - 15.88

d = 2.93

d \approx 3

<em>This implies that option (b) is true</em>

4 0
3 years ago
A triangle has an area of 18ft squared. List all the possible positive integers that could represent its base and height. Use se
svet-max [94.6K]

Answer:

1ft x 36ft

2ft x 18ft

3ft x 12ft

4ft x 9ft

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Step-by-step explanation:

A triangle is a three-sided polygon with three edges and three vertices. the sum of angles in a triangle is 180 degrees

Area of a triangle = 1/2 x base x height

If area is 18ft², then the dimensions of base x height = 18 x 2 = 36

all the possible positive integers that could represent its base and height can be determined be known by determining the factors of 36

factors of 36 = 1, 2, 3, 4, 6, 9, 12, 18, and 36

Possible dimensions of base and heights are :

1ft x 36ft

2ft x 18ft

3ft x 12ft

4ft x 9ft

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