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anastassius [24]

3 years ago

13

It takes Claudia 1/4 of an hour to make a pizza. Claudia has 4 hours to make pizzas. How many pizzas can Claudia make during thi

s time?

1 answer:

juin [17]3 years ago

7 0

Answer:

16

Step-by-step explanation:

divide 4 by .25 (or 1/4) and you get 16

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What is (2,1) and (8,9) slope?

yulyashka [42]

Answer: slope is 1 1/3

Y2-y1

Over

X2-x1

9-1

8-2

8/6 is 1 1/3

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

A ball is thrown into the air. The path it takes is modeled by the equation: -3t+24t = h, where t is the time in seconds and h i

astra-53 [7]

Given:

The given equation is:

$-3t^2+24t=h$

Where, t is the time in seconds and h is the height of the ball above the ground, measured in feet.

To find:

The inequality to model when the height of the ball is at least 36 feet above the ground. Then find time taken by ball to reach at or above 36 feet.

Solution:

We have,

$-3t^2+24t=h$

The height of the ball is at least 36 feet above the ground. It means $h\geq 36$ .

$-3t^2+24t\geq 36$

$-3t^2+24t-36\geq 0$

$-3(t^2-8t+12)\geq 0$

Splitting the middle term, we get

$-3(t^2-6t-2t+12)\geq 0$

$-3(t(t-6)-2(t-6))\geq 0$

$-3(t-2)(t-6)\geq 0$

The critical points are:

$-3(t-2)(t-6)=0$

$t=2,6$

These two points divide the number line in 3 intervals $(-\infty,2),(2,6),(6,\infty)$ .

Intervals Check point $-3(t-2)(t-6)\geq 0$ Result

$(-\infty,2)$ 0 $(-)(-)(-)=(-)$ False

$(2,6)$ 4 $(-)(+)(-)=+>0$ True

$(6,\infty)$ 8 $(-)(+)(+)=(-)$ False

The inequality is true for (2,6) and the sign of inequality is $\geq$ . So, the ball is above 36 feet between 2 to 6 seconds.

$6-2=4$

Therefore, the required inequality is $-3t^2+24t\geq 36$ and the ball is 36 feet above for 4 seconds.

3 0

3 years ago

1.) Solve 2x^2-12x+20=0 using the quadratic solution set? What is the solution set?

marshall27 [118]

Please, share just ONE problem at a time. Thanks.

<span>Solve 2x^2-12x+20=0:
Simplify this by dividing each term by 2: x^2 - 6x + 10 = 0

Identify a, b and c: a=1, b=-6 and c=10. Then b^2=36.

Write out the solutions using the quadratic formula:

6 plus or minus sqrt(36-40)
x = ---------------------------------------
2

sqrt(36-40) = sqrt(-4) = plus or minus i2

Then:

6 plus or minus i2
x = --------------------------- (answer)
2</span>

4 0

3 years ago

Make a list of the 2- digit numbers

MrRissso [65]

12
13
78
97
65
90
70
these are numbers with 2 digits

5 0

4 years ago

Read 2 more answers

The moon is 250,000 miles away.Haw man feet is it from earth

12345 [234]

The answer is " 1320000000 ft " away

5 0

3 years ago