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SVETLANKA909090 [29]
3 years ago
9

Can any one helps it would be nice thanks

Mathematics
1 answer:
Mashcka [7]3 years ago
7 0
The answer is C. 
\frac{u(5)}{x(5)} +  \frac{5u(5)}{x(5)} -  \frac{u}{5x}
\frac{5u}{5x} +  \frac{25u}{5x} -  \frac{u}{5x}
\frac{29u}{5x}
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Average speed of driving 330 miles in 5 and a half hours
ehidna [41]
The Average speed would be 60 miles per hour.

- Divide 330 by 5.5 hours

8 0
3 years ago
The soccer team collected $800 at a car wash fundraiser. They charged $5.00 for small vehicles and $10.00 for larger vehicles. T
Amiraneli [1.4K]

Answer:

60

Step-by-step explanation:

Substitute 50 for y in the formula

5x+10y=800

5x+10*50=800

5x+500=800

5x=800-500

5x=300

x=300/5

x=60

3 0
3 years ago
Read 2 more answers
What is the average rate of change for h(t) between t=0 and t=2
nordsb [41]

Part a: Option D 18 feet per second

Part b: increasing

Solution:

Height h(t)=-16 t^{2}+50 t+3

Part a: To find the average rate of change for h(t) between t = 0 and t = 2.

Substitute t = 0 in h(t).

h(0)=-16 (0)^{2}+50 (0)+3

h(0) = 3

Substitute t = 2 in h(t).

h(2)=-16 (2)^{2}+50 (2)+3  

h(2) = 39

Average rate of change formula:

           $=\frac{h(b)-h(a)}{b-a}

Here, a = 0 and b = 2.

           $=\frac{h(2)-h(0)}{2-0}

           $=\frac{39-3}{2}

           $=\frac{36}{2}

           = 18

Average rate of change = 18 feet per second

Option D is the correct answer.

Part b:

This means height of the ball is increasing for 0 < x < 2.

6 0
3 years ago
Janine has a ribbon that is ⅚ foot long. She wants a piece ⅔ this size. How big will it be?
Arada [10]

Answer:

1.25 ft long

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Mary lost 30 pounds. Before her diet she weighed 180 pounds. What is the percent of change.
Lelu [443]

Answer:

percentage change= 500%

Step-by-step explanation:

After diet the weight reduced = 30 pounds

Before diet her weight = 180 pounds

percentage change = { (180 - 30) ÷ 30 } × 100

                             =  ( 150 ÷ 30) × 100

                              = 5 × 100

                               = 500 %

∴percentage change= 500%

5 0
3 years ago
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