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2 years ago

Twenty-six is what percent of 40?

Mathematics

2 answers:

Marina CMI [18]2 years ago

6 0

I believe it is 65 percent

Nutka1998 [239]2 years ago

5 0

Answer:

65%

Step-by-step explanation:

Percent means per hundred. So you could set up a ratio that shows 26/40 = x/100 and solve to give you the percent directly.

or just divide 26÷40 and change the decimal answer to a percent by moving the decimal point two places to the right. See image.

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Solve the differential equation by separation of variables x(dy/dx)=4y

weeeeeb [17]

get all your x one on side and y on the opposing side so we have
xdy=4ydx
dy/y=4dx/x
integrate both sides
lny=4lnx+C
 y=e^(4lnx+C)
The answer is y=cx^4

3 0

3 years ago

Jenny and Natalie are selling cheesecakes for a school fundraiser. Customers can buy chocolate cakes and vanilla cakes. Jenny so

IrinaVladis [17]

The cost of 1 chocolate cake is $ 6 and cost of 1 vanilla cake is $ 7

Solution:

Let "c" be the cost of 1 chocolate cake

Let "v" be the cost of 1 vanilla cake

Jenny sold 14 chocolate cakes and 5 vanilla cakes for 119 dollars

Therefore, we can frame a equation as:

14 x cost of 1 chocolate cake + 5 x cost of 1 vanilla cake = 119

$14 \times c + 5 \times v=119$

14c + 5v = 119 ------- eqn 1

Natalie sold 10 chocolate cakes and 10 vanilla cakes for 130 dollars

Therefore, we can frame a equation as:

10 x cost of 1 chocolate cake + 10 x cost of 1 vanilla cake = 130

$10 \times c + 10 \times v = 130$

10c + 10v = 130 -------- eqn 2

Let us solve eqn 1 and eqn 2

Multiply eqn 1 by 2

28c + 10v = 238 ------ eqn 3

Subtract eqn 2 from eqn 3

28c + 10v = 238

10c + 10v = 130

( - ) --------------------------

18c = 108

c = 6

Substitute c = 6 in eqn 1

14(6) + 5v = 119

84 + 5v = 119

5v = 119 - 84

5v = 35

v = 7

Thus cost of 1 chocolate cake is $ 6 and cost of 1 vanilla cake is $ 7

8 0

2 years ago

Heather wrote her bike at a rate of 15 per second which graph best represents the relationship between this time in seconds Heat

V125BC [204]

Answer:

i wish i were heather

Step-by-step explanation:

as she ridessss byyyyyy...

5 0

3 years ago

2854 / 32 A. 89 B. 89 3/16 C. 89 5/16 D. 89 3/8

Marrrta [24]

Its b
2854/32 = 1427/16 = 89 3/16

7 0

3 years ago

Read 2 more answers

A type of Conic where the plane is tilted and intersects only on one cone to form a bounded curve.

olga_2 [115]

Answer:

Ellipse when the (tilted) plane intersects only one cone to form a bounded curve.

Step-by-step explanation:

hope it will help :)

8 0

3 years ago