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3 years ago

3÷5 long division steps

Mathematics

1 answer:

ZanzabumX [31]3 years ago

6 0

Answer:

0.6

Step-by-step explanation:

step by step on the photo.

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If U=pi(r+h),find r when U=16 1/2 and h=2 solve this question by take the value of pi 22/7

I am Lyosha [343]

$U=\pi (r+h) \\\\ 16 \frac{1}{2}= \frac{22}{7}\cdot (r+2) \\\\ \frac{33}{2} : \frac{22}{7}=r+2 \\\\ \frac{\not 33}{2}\cdot \frac{7}{\not 22}=r+2 \\\\ \frac{3}{2} \cdot \frac{7}{2}=r+2 \\\\ \frac{21}{4}=r^{(4}+2^{(4} \\\\ 21=4r+8 \\\\ 4r=21-8 \\\\ 4r=13 \\\\ \boxed{r=\frac{13}{4}}$

4 0

2 years ago

A contractor is building the base of a circular fountain. On the blueprint, the base of the fountain has a diameter of 18 centim

Daniel [21]

The answer is 1808.64 ft²

To calculate area of square we need to find radius r. Radius is a half of a diameter:
r = d/2

The blueprint:
d = 18 cm
r = 18/2 = 9 cm

The blueprint has a scale of three centimeters to four feet. Actual radius r1 is:
3 cm : 4 ft = 18 cm : r1
After crossing the products:
r1 = 4 ft * 18 cm : 3 cm
r1 = 24 ft

The area of the circular base of the fountain is:
A = r1² * π
π = 3.14
r1 = 24 ft

A = 24² * 3.14
A = 1808.64 ft²

3 0

2 years ago

Determine whether this situation represents independent or dependent events. "Three green jelly bean, five red jelly beans and t

igor_vitrenko [27]

Answer:

Independent Events

Step-by-step explanation:

Given

$Green = 3\\ Orange = 2\\ Red = 5$

Required

Dependent or independent event

The probability of selecting a green jelly remains unchanged before and after selecting the first orange jelly.

Before selecting the orange jelly:

$P(Green) = \frac{Green}{Total}$

$P(Green) = \frac{3}{10}$

After selecting the orange jelly:

$P(Green) = \frac{Green}{Total}$

$P(Green) = \frac{3}{10}$

Because the probabilities remain unchanged, the selection of a green jelly is independent of the selection of the first orange jelly.

5 0

2 years ago

1. The description "Y is 4 more than the opposite of X" is represented by

Vladimir [108]

I believe it is y= -x + 4

4 0

2 years ago

Could someone please help me with these systems. I have to use substitution.

FromTheMoon [43]

Isolate one term (x or y) in one of the equations

6x+6y=0
6x=-6y
X= -1y

Substitute x=-y into the other equation

-7(-y) + 2y =18

7y + 2y =18

9y=18

Y=2

Substitute y=2 into 6x+6y=0

6x + 6(2) = 0

6x + 12=0

6x= -12

X = -2

8 0

2 years ago

3÷5 long division steps​

3÷5 long division steps