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Effectus [21]
3 years ago
10

Rebecca baked 48 pizzas to share with her friends she ate 3 pizzas and gave 5 to each of her friends what equation when solved w

ill tell how many friends rebecca has
Mathematics
2 answers:
Margaret [11]3 years ago
5 0

set x as how many friends rebecca has.

5x+3=48

5x=45

x=9

rebecca has 9 friends

velikii [3]3 years ago
4 0

Answer:

9

Step-by-step explanation:

5x+3=48

5x=45

x=9

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olga2289 [7]
Use a Texas instrumental calculator and put all those points into stat edit and then put 4
6 0
3 years ago
The measurement of an angle is 40°, and the length of a line segment is 8 centimeters.
Tresset [83]
1
a rhombus is defined as having 4 equal sides so if the measurement is 8 cm all sides will be 8 cm. a rhombus is a parallelogram so if one angle value is defined then the opposite angle is also 40 and the consecutive angles are equal to 140 degrees because consecutive angles in a parallelogram are congruent.
7 0
3 years ago
T varies inversely with the cube of W. When W is 3, T is 1/9. Find the value of W when T is 1/243
Lera25 [3.4K]
T varies inversely with the cube of W 

T = k/W^3

\frac{1}{9} = k/3^3

k = \dfrac{3^3}{9} = 3

W^3 = k/T

W = \sqrt[3]{ k/T }

When T=1/243

W = \sqrt[3]{ 3/(1/243)}= \sqrt[3]{729} = 9


5 0
3 years ago
Factor completely 3x^4 - 30x^3 + 75x^2
rosijanka [135]

Answer:

The answer to your question is:    3x² (x - 5) ²      

Step-by-step explanation:

Factor like terms                       3x⁴ - 30x³ + 75x²

                                                  3x² ( x² - 10x + 25)

Factor ( x² - 10x + 25)  = ( x - 5) (x - 5)  = (x - 5) ²

Finally                                        3x² (x - 5) ²              

7 0
3 years ago
A town had about 2120 acres of pine trees 40 years ago. Only about 13% of the pine trees remain. How many acres of pine trees re
Vera_Pavlovna [14]
2120/100=21.2
21.2x13=275.6
Therefore there are 275.6 acres remaining of pine trees.
6 0
3 years ago
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