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klemol [59]
3 years ago
10

4 + 3x = 3х + 5 4 = 5

Mathematics
1 answer:
Inessa [10]3 years ago
7 0

Answer:

4≠5

There is no solution

Step-by-step explanation:

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What is the square root of 69
Maurinko [17]
8
is the answer because8 times 8 equal 69
4 0
3 years ago
Sand falls onto a conical pile at the rate of 10 cubic feet per minute. The radius of the pile is always equal to one half it al
Andreas93 [3]

Answer:

Either one of these.

Step-by-step explanation:

volumepile=1/3 (PI r^2)h

but r=h/2, so

volume=1/12 PI h^3

dv/dt=10 ft^3/min

but dv/dt=1/12 PI 3h^2 dh/dt

solve for dh/dt

This assumes you mean by "altitude" the height. If you mean altitude as slant height, you have to adjust the fromula

_______________________________________________

given: r = h/2

V = (1/3)π r^2 h

= (1/3)π (h/2)^2 (h)

= (1/12) π h^3

dV/dt = (1/4)π h^2 dh/dt

for the given data ...

10 = (1/4)π(25)dh/dt

dh/dt = 10(4)/((25π) = 1.6/π feet/min

3 0
3 years ago
Ms. Maxwell bought a purse with 1/4 of her money. The purse cost 37.00. How much money did Ms. Maxwell have left after she bough
bixtya [17]

Answer:111

the purse was 1/4 so. we have to do

37.00x4 we get 148 then. we do 148-37 to get a total of 111 (:

Step-by-step explanation:

7 0
2 years ago
What’s the answer for the problems 11-15 in the picture
snow_lady [41]

Answer:

11.

A) EZ Pay Plan=0.15x

B) 40 to Go Plan=0.05x+40

12.

0.15x=0.05x+40

13.

x=400 minutes

14. The solution is the amount of minutes that it takes for both plans to cost the same amount. X has one solution, so it accounts for both equations.

15. EZ Pay Plan

Step-by-step explanation:

For 11, what you need to know is that the slope (coefficient of x) is the price per minute. 0.15 per minute and 0.05 per minute are charged, and therefore are the slope for those equations. The 40 on B is because it is the y intercept. No matter how long you use the object, you will always pay at least 40 dollars.

For 12, you have to find x for the minutes used.

For 13, if you do the process algebraically,

0.15x=0.05x+40  

0.10x=40     (subtracted 0.05x from both sides)

x=400       (divided 0.10x and 40 by 0.10)

For 14, (no explanation)

For 15, if you substitute 200 as x, you would see that the EZ Pay Plan would make you pay 30 dollars while the 40 To Go Plan would make you pay 10+40 dollars, which 30<50.

(sorry for late response)

7 0
3 years ago
Tina completed 2/3 of her homework. George completed 7/8 of his homework. Who completed a greater fraction of homework
Amiraneli [1.4K]

get a common denominator of 24

2/3 * 8/8  vs 7/8 * 3/3

16/24 vs 21/24

16/24<21/24

2/3 <7/8

George did more work

6 0
2 years ago
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