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3 years ago

14

WILL MARK BRAINLIEST!!!!!!jessica created a model of an ice cream cone by combining the shapes of a cone and a hemisphere. Based

on the Dimensions shown in the figure below, determine the volume of the model.

2 answers:

lubasha [3.4K]3 years ago

8 0

Answer:

volume would be 30 then x 3 and your answer would be 90

Step-by-step explanation:

NikAS [45]3 years ago

5 0

108cm

I worked it out not 100 percent sure

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Marry Allen baked 15 cupcakes and her children ate 2/3 of them. How many cupcakes did they eat?

ehidna [41]

Answer:

10 were eaten

Step-by-step explanation:

If we have 15 cupcakes and 2/3 of them were eaten, we multiply 15 times 2/3

15*2/3

12*2 = 30

30/3 = 10

10 of the cupcakes were eaten

3 0

3 years ago

Please help ASAP! 20 Points!

AveGali [126]

The answer is B. That is not a valid way to sample as it is not randomly selected.

3 0

3 years ago

Suppose the roots of the equation 2x^2−5x−6=0 are α and β.Find the quadratic equation with roots 1/α and 1/β.

pochemuha

Answer:

6x² + 5x - 2 = 0

Step-by-step explanation:

Given

2x² - 5x - 6 = 0 ← in standard form

with a = 2, b = - 5, c = - 6, then

sum of roots α + β = - $\frac{b}{a}$ = $\frac{5}{2}$

product of roots = $\frac{c}{a}$ = - 3, then

sum of new roots = $\frac{1}{\alpha }$ + $\frac{1}{\beta }$

= $\frac{\beta+\alpha }{\alpha \beta }$

= $\frac{\frac{5}{2} }{-3}$ = - $\frac{5}{6}$

product of new roots = $\frac{1}{\alpha }$ × $\frac{1}{\beta }$

= $\frac{1}{\alpha\beta }$ = - $\frac{1}{3}$

Hence the required equation is

x² + $\frac{5}{6}$ x - $\frac{1}{3}$ = 0 or

6x² + 5x - 2 = 0 ( multiplying through by 6 )

8 0

3 years ago

(Lots of points)PLEASE HELP ME Due today at 8:59 in Texas

IceJOKER [234]

Answer:

6.) So 8 of 24 hours is 1/3. So the percent of his time used was <u><em>33.33333 . . %</em></u> (etc)

7.) The easiest way to figure out a percentage is dividing it. So if it was 30 hit out of 75 people, then divide 30 by 75. So <u><em>40%</em></u> of them got hit.

Hope that helps

6 0

3 years ago

Layla has 30 pairs of shoes in her closet 10% white 30% black 40% are brown and the rest are bright colored how many pairs are b

Liula [17]

Answer:

6

Step-by-step explanation:

.....ur welcome.........

8 0

3 years ago

Read 2 more answers