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Alika [10]
3 years ago
6

What is the value of x? x = 2.25 x = 11.25 x = 13 x = 22?

Mathematics
2 answers:
kenny6666 [7]3 years ago
7 0

Answer:

the answer to this question is D

zubka84 [21]3 years ago
3 0

Three of given <u>lines</u> form a <u>triangle</u> with <u>measures</u> of two <u>interior angles</u> 79^{\circ} and (2x+10)^{\circ}.

The angle with measure (6x+1)^{\circ} is exterior angle of considered triangle.

The measure of exterior angle of triangle is equal to the sum of the measures of two not adjacent interior angles:

6x+1=2x+10+79,\\ \\6x+1=2x+89,\\ \\6x-2x=89-1,\\ \\4x=88,\\ \\x=22^{\circ}.

Answer: correct choice is D


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In september, seattle's daily high temperature has a mean of 70 °f and a standard deviation of 7 °f. What are the mean, standard
Anna [14]
Mean= is the summation of the maximum temperatures ÷ the numbers of times the temperatures where recorded

standard deviation= is a number used to tell how measurements for a group are spread out from the average (mean), or expected value.

A low standard deviation means that most of the numbers are very close to the average.

A high standard deviation means that the numbers are spread out.

Variance= is a way to measure how far a set of numbers is spread out.

A variance of zero indicates that all of the data values are identical. All non-zero variances are positive.

A small variance indicates that the data points tend to be very close to the mean, and to each other.

A high variance indicates that the data points are very spread out from the mean, and from one another.
8 0
4 years ago
A sheet of glass has a density of
Alexxandr [17]

Answer:

2500 kg/m³

Step-by-step explanation:

Density of a material is the ratio of mass and volume of that material.

The S.I unit for density is grams per centimeters cubed (g/cm³) or kilograms per meter cubed (kg/m³)

Given density as 2.5 g/cm³ , convert to kg/m³

Formula is;

1g/cm³ = 1000 kg/m³

2.5 g/cm³=? cross-multiply

=2.5×1000 = 2500 kg/m³

7 0
3 years ago
Truth or Dare?<br> Have a nice day/night &lt;3
denpristay [2]

Answer:

Truth plz

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Determine which of the following logarithms is expanded correctly.
ziro4ka [17]

Answer:

A) log(jk2y = 7log i + 2logk

Step-by-step explanation:

7 0
3 years ago
Okay I know I suck at math and I really don't understand math that well so can you help me on this??? Thank you!
Alja [10]
W - width
l - length
p - perimeter

The perimeter is 72 cm (p=72).
The length is twice the width (l=2w).
The formula for perimeter is 2w+2l=P.

p=72 \\&#10;l=2w \\ \\&#10;2w+2l=p \\&#10;2w+2 \cdot 2w=72 \\&#10;2w+4w=72 \\&#10;6w=72 \\&#10;w=12 \\ \\&#10;l=2w=2 \cdot 12 =24

Check the answer:
2 \cdot 12 + 2 \cdot 24 \stackrel{?}{=} 72 \\&#10;24+48 \stackrel{?}{=} 72 \\&#10;72 \stackrel{?}{=} 72 \\ \hbox{true}

The length of the photo is 24 cm, the width of the photo is 12 cm.
8 0
3 years ago
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