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3 years ago

Evaluate the expression 2b to the third power+ 5 when b=5

Mathematics

1 answer:

Andrej [43]3 years ago

7 0

Answer:

1005

Step-by-step explanation:

10 to the third power + 5 =

1000 + 5 =

1005

Hope that helps!

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Which statement is true?

Mumz [18]

The answer is D.

|-4| < 4
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|-1| < 0
1 < 0

|-6| = -6
6 = -6

|-14| > 10
14 > 10

6 0

2 years ago

Find the volume of the cylinder in terms of π and to the nearest tenth.

Anastaziya [24]

The answer is 18pi
$3 \times 3 \times 2 \times \pi = 18\pi$

good luck

5 0

2 years ago

PLEASE HELP... VERY URGENT... WILL GIVE BRAINLIEST!!!

lakkis [162]

Answer:

Step-by-step explanation:

a) Pythagorean theorem,

altitude² + base² = hypotenuse²

h² + (w² - 1)² = (w² + 1)²

h² = (w² + 1)² - (w² - 1)²

{Compare with (a + b)² - (a -b)² = 4ab where a =w² & b = 1}

h² = 4*w²*1

h² = 4w²

$h=\sqrt{4w^{2}} = \sqrt{2*2*w*w} \\\\\\h = 2w$

b) Area of triangle = $\frac{1}{2}b*h$

$=\dfrac{1}{2}*(w^{2}-1) *2w\\\\= (w^{2}-1)*w = w^{2}*w - 1*w\\\\=w^{3}-w$

c) w =2

Area of triangle = 3w = 3*2 = 6

7 0

2 years ago

delilah dose 184 jumping jacks in 4 minutes she dose her jumping jacks at a constant rate how many jumping jacks can delilah do

kondaur [170]

Answer: 46 jumping jacks per minute

Step-by-step explanation: Divide the total number of jumping jacks (184) by the time (4 minutes). Since she is going at a constant rate, this would be equal to 46 jumping jacks per minute. On a coordinate plane, this would be a linear function.

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3 years ago

25 students tried out for the football team, but 40% only made the team. How many of the students made the football team? Provid

Alexxandr [17]

Answer:

B. 10

Step-by-step explanation:

$40\% \: of \: 25 = \frac{40}{100} \times 25 \\ \\ = \frac{40}{4} = 10$

Hence, 10 students made the football team.

6 0

2 years ago