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inn [45]
2 years ago
7

Write an expression equivalent to 9(8x + 5) + 7

Mathematics
1 answer:
fredd [130]2 years ago
6 0

Answer:

72x+52

Step-by-step explanation:

72x+45+7=72x+52

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The scale model of a skyscraper being built is 4.2 feet tall.
BigorU [14]
A. Convert 4.2 feet to meters. 4.2 feet = 1.28016 meters. The Formula of Scale  = Big / Small
Scale = 525 meters / 1.28016 meters
Scale = 410.1050 meters

b. Convert 4.2 feet to inches. 4.2 feet = 50.4 inches.
To get the number of plywood, divide 50.4 inches by 0.6 inch. The answer is 84. So there are 84 plywood sheets.
7 0
3 years ago
Find the slope of the line that passes through each pair of points (13,-3),(-5,-5)
PIT_PIT [208]

Answer:

\boxed{\bold{\frac{1}{9} }}

Explanation:

(13,-3), (-5,-5)

<u>Find The Slope:</u>

<u />\bold{\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}}<u />

<u />\bold{\left(x_1,\:y_1\right)=\left(13,\:-3\right),\:\left(x_2,\:y_2\right)=\left(-5,\:-5\right)}<u />

<u />\bold{m=\frac{-5-\left(-3\right)}{-5-13}}<u />

<u />\bold{ \ m \ = \ \frac{1}{9} }<u />

3 0
3 years ago
The area of circle 1 is 6 square units. The area of circle 2 is 7 square units. Which of the following is true about the circumf
miskamm [114]

Answer:

C. The circumference of circle 1 is less than the circumference of circle 2.

Step-by-step explanation:

6<7

We know that the formula for the area of a circle is πr². This means the greater the radius, the greater the area.

We also know that the formula for circumference is 2πr. It is also dependent on radius. The greater the radius, the greater the circumference.

Given that Circle 2 has a greater area, this means that it has a greater radius which in turn means that it has a greater circumference.

C. The circumference of circle 1 is less than the circumference of circle 2.

5 0
2 years ago
Read 2 more answers
What is the slope of the line represented by the equation y=-<br> 5x?<br> 0-5<br> or w/N wind<br> 5
Alexandra [31]

Answer:

the slope would be -5

Step-by-step explanation:

in linear equations, the slope of the line is the coefficient of x

so in this case, it is -5

5 0
3 years ago
Type the number that must be entered in the blank to create a linear equation with infinitely many solutions.
Tomtit [17]

Answer:4

Step-by-step explanation:

6 0
3 years ago
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