All categories

2 years ago

What percent is equivalent to 20? O 5% O 6% O 20% O 25%

Mathematics

2 answers:

geniusboy [140]2 years ago

8 0

Answer:

5%. creo que es la respuesta más correcta.

photoshop1234 [79]2 years ago

3 0

I think its 5 because 5 times 20 is 100

You might be interested in

Angle APR is vertical with Angle SPL. If Angle APR = 13x - 30, and Angle SPL = 3x + 70, what is the value of x?

Luba_88 [7]

Answer:

The value of $x$ is 10.

Step-by-step explanation:

If APR and SPL are vertical angles, then we get that $\angle APR = \angle SPL$ . Given that $\angle APR = 13\cdot x -30$ and $\angle SPL = 3\cdot x + 70$ , we find that the value of $x$ is:

$13\cdot x - 30 = 3\cdot x +70$

$10\cdot x = 100$

$x = 10$

The value of $x$ is 10.

6 0

2 years ago

If 3,000 bacteria, with a growth constant (k) of 2.8 per hour, are present at the beginning of an experiment, in how many hours

Ivenika [448]

Given:

Initial number of bacteria = 3000

With a growth constant (k) of 2.8 per hour.

To find:

The number of hours it will take to be 15,000 bacteria.

Solution:

Let P(t) be the number of bacteria after t number of hours.

The exponential growth model (continuously) is:

$P(t)=P_0e^{kt}$

Where, $P_0$ is the initial value, k is the growth constant and t is the number of years.

Putting $P(t)=15000,P_0=3000, k=2.8$ in the above formula, we get

$15000=3000e^{2.8t}$

$\dfrac{15000}{3000}=e^{2.8t}$

$5=e^{2.8t}$

Taking ln on both sides, we get

$\ln 5=\ln e^{2.8t}$

$1.609438=2.8t$ $[\because \ln e^x=x]$

$\dfrac{1.609438}{2.8}=t$

$0.574799=t$

$t\approx 0.575$

Therefore, the number of bacteria will be 15,000 after 0.575 hours.

4 0

2 years ago

In a fundraiser for thanksgiving a student sells pizza. If a box of pizza cost $14.50 and he sold it for $20.50. What is the mar

oee [108]

Answer:

The markup rate on each box=41%

Step-by-step explanation:

The markup rate is the additional price that a good is sold at expressed as a percentage. This can be expressed as;

R={(S-C)/C}×100

where;

R=markup rate

S=selling price

C=cost

In our case;

R=unknown

S=$20.50

C=$14.50

replacing;

R={(20.5-14.5)/14.5}×100

R=(6/14.5)×100

R=41.38% rounded off=41%

The markup rate on each box=41%

8 0

2 years ago

Determine the intercepts of the line. <br> x-intercept ( , ) <br> y-intercept ( , )

aliya0001 [1]

Answer:

y-100

x-250

Step-by-step explanation:

because the lines are insecting the other lines on that line

3 0

2 years ago

Please help, will give brainiest IF correct !! 40 points

erastova [34]

Answer:

nine over eleven because its ez

Step-by-step explanation:

5 0

1 year ago

Read 2 more answers