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3 years ago

7

It takes Adam 5 minutes to shower, 15 minutes to get dressed and 25 minutes to eat breakfast before leaving for school. How long

does it take Adam to get ready for school?

2 answers:

Anika [276]3 years ago

7 0

Answer:

4

Step-by-step explanation:

Rainbow [258]3 years ago

3 0

It takes Adam 45 minutes to get ready

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Donovan took a math test and got 20 correct questions and 5 incorrect answers. What was the percentage of correct answers?

solong [7]

ANSWER

80%

EXPLANATION

Donovan got 20 questions correct and 5 questions incorrect.

This means that the total number of questions he attempted in the test is the sum of correct and incorrect questions:

Total = 20 + 5

Total = 25

To find the percentage of correct answers, we have to divide the number of correct answers by the total number of questions attempted and multiply by 100 (per cent).

That is:

$\begin{gathered} \frac{20}{25}\cdot\text{ 100 = }\frac{4}{5}\cdot\text{ 100} \\ =\text{ 80\%} \end{gathered}$

That is the percentage of correct answers.

3 0

1 year ago

Evaluate y^5 for y = 1.

kkurt [141]

Answer:

1

Step-by-step explanation:

note that $1^{n}$ = 1 for any value of n, thus

$1^{5}$ = 1

8 0

2 years ago

During the half time of a basketball game, a sling shot launches T-shirts at the crowd. The T-shirt is launched with an initial

kumpel [21]

Step-by-step explanation:

The T-shirt is launched with an initial upward velocity of 60 ft/s from a height of 5 feet. Its equation of motion is given by :

$f(x) = -12x^2 + 60x + 5$ ....(1)

(a) For maximum height, put $\dfrac{df(x)}{dt}=0$

So,

$\dfrac{ d(-12x^2 + 60x + 5)}{dt}=-24x+60$

Now put,

$-24x+60=0\\\\x=2.5\ s$

So, the time taken for the T-shirt to reach maximum height is 2.5 seconds.

(b) Put x = 2.5 s in equation (1)

$f(x=2.5) = -12(2.5)^2 + 60(2.5) + 5\\\\f(x)=80\ \text{feet}$

8 0

3 years ago

jasmine has all nickels x and dimes y in her coin jar. if she has 36 coins in all, and four more dimes than. nickels find how mu

Marta_Voda [28]

Answer:

x+x+4= 36

2x= 36

x= 18 She has 18 nickels and 36-18= 18 dimes

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

On the blueprint of a house, 36 millimeters represents 7 meters. The length of the living room is 27 millimeters on the blueprin

S_A_V [24]

36/27=1.3
7x1.3=9.1
The actual length is 9.1meters

7 0

3 years ago