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Rudik [331]
3 years ago
5

Solve a variable source x-7=15

Mathematics
2 answers:
Xelga [282]3 years ago
5 0

Answer:

x = 22

Step-by-step explanation:

1x - 7 = 15

1x = 15 + 7

1x = 22 (divide both sides by the first number/1 to get x)

1x/1 = 22/1

x = 22

Have a great day!!

mezya [45]3 years ago
4 0

Answer:

x = 22

Step-by-step explanation:

x = 7 + 15

x = 22

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3. Mr. James told Jill he would charge her $15 per hour, plus parts, to fix her bicycle.
ad-work [718]

Answer:

512

Solution:

so first you multiply 15 times 32 and get 480 than you add 32 and get 512.

7 0
3 years ago
What is the value of the rational expression 2x2+ 5x +9/x2+2x -1?
Ugo [173]
The value of the rational expression is -7!!
7 0
3 years ago
Select the correct answer from each drop-down menu.
podryga [215]

Answer with explanation:

\text{Average}=\frac{\text{Sum of all the observation}}{\text{Total number of Observation}}

Average Height of tallest Building in San Francisco

                    =\frac{260+237+212+197+184+183+183+175+174+173}{10}\\\\=\frac{1978}{10}\\\\=197.8

Average Height of tallest Building in Los Angeles

                    =\frac{310+262+229+228+224+221+220+219+213+213}{10}\\\\=\frac{2339}{10}\\\\=233.9

→→Difference between Height of tallest Building in Los Angeles and  Height of tallest Building in San Francisco

               =233.9-197.8

               =36.1

⇒The average height of the 10 tallest buildings in Los Angeles is 36.1 more than the average height of the tallest buildings in San Francisco.

⇒Part B

Mean absolute deviation for the 10 tallest buildings in San Francisco

 |260-197.8|=62.2

 |237-197.8|=39.2

 |212-197.8|=14.2

 |197 -197.8|= 0.8

 |184 -197.8|=13.8

 |183-197.8|=14.8

 |183-197.8|= 14.8

 |175-197.8|=22.8

 |174-197.8|=23.8

 |173 -197.8|=24.8

Average of these numbers

     =\frac{62.2+39.2+14.2+0.8+13.8+14.8+14.8+22.8+23.8+24.8}{10}\\\\=\frac{231.2}{10}\\\\=23.12

Mean absolute deviation=23.12

5 0
3 years ago
At the beginning of a snowstorm, Brianna had 2 inches of snow on her lawn. The snow then began to fall at a constant rate of 2.5
Bond [772]

Answer:

CHina

Step-by-step explanation:

4 0
3 years ago
Use Euler’s Formula to find the missing number. Faces: 15 Vertices: 11 Edges? a. 27 b. 24 c. 25 d. 23
eimsori [14]

Euler's formula for Vertices, Edges and faces is V-E+F = 2

Replace the letters with the given information and solve for the missing one.

From the problem V ( Vertices) = 11 and F (faces) = 15.

11 - E + 15 = 2

11 + 15 = 26

26 - E = 2

E = 26-2

E = 24

The answer is b. 24

7 0
3 years ago
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