In the United States, 13 out of every 20 cans are recycled. What percent of cans are recycled?

Answers

Answer 1

Answer: We can just divide the two numbers.

13/20 = 0.65

Where 100% = 1

So 65%

Answer 2

Answer: To do this we have to see how many times 20 goes into 100. The answer is 5. So we have to times 13 by 5. The answer is 65%

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Which of the following is the conjugate of a complex number with 2 as the real part and −8i as the imaginary part?(A. -2+8i; B. 2+8i; C. 2-8i; D.-2-8i)

Answers

Hi,

The complex number is

z = a+bi

For a = 2 and b = -8

z = 2+(-8)i
z = 2-8i

The conjugate is

z = a-bi

For a = 2 and b = -8

z = 2-(-8)i
z = 2+8i

Answer:

B. 2+8i

The standard baseball measures 2 11/16" in diameter. What is its volume (to the nearest hundredth)?

Answers

Answer:

$10.16$ inch³

Step-by-step explanation:

The shape of a baseball is sphere. Given that, the diameter of the baseball is $2(11)/(16)$ inches.

So radius will be,

$=(2(11)/(16))/(2)$

$=((43)/(16))/(2)$

$=(43)/(32)$ inches.

We know that, the volume of a sphere is,

$V_(sphere)=(4)/(3)\pi r^3$

$=(4)/(3)\pi \left((43)/(32)\right )^3$

$=10.163\appox =10.16$ inch³

if the diameter = 2+11/16 inches, radius=diameter/2= 1+11/32 inches

volume of a sphere is (4/3)pi*r^3 = 10.16

A triangle has an area of 10 m². The height of the triangle is 5 m.What is the base length of the triangle?

2 m

4 m

5 m

15 m

Answers

area=1/2 times bas time height
given that area=10
height=5
find base

10=1/2 times base times 5
times 2 both siddes
20=base times 5
divide oth sides by 5
4=base

the base is 4m

Which scenario is most likely the one shown on the graph

Answers

It displays a relationship between variable X and Y.
It introduces the relationship between two variables and is called correlation. Proportionality or variation is state of relationship or correlation between two variables It has two types: direct variation or proportion which states both variables are positively correlation. It is when both the variables increase or decrease together. On the contrary, indirect variation or proportion indicates negative relationship or correlation. Elaborately, the opposite of what happens to direct variation. One increases with the other variables, you got it, decreases.

Reggie and Courtney are picking up trash along the highway. Together they have collected 15 bags of trash.Courtney has collected 3 more bags then Reggie. How many bags have they each collected?

Answers

Bags collected by reggie and Courtney are 6, 9 respectively.

SOLUTION:

Given, Reggie and Courtney are picking up trash along the highway.

Together they have collected 15 bags of trash.

Courtney has collected 3 more bags then Reggie.

We have to find how many bags have they each collected?

Let the number bags collected by reggie be n, then number of bags collected by Courtney will be 15 – n.

Now, according to the given information,

Number of bags with Courtney = 3 + number of bags with reggie

15 – n = 3 + n

n + n = 15 – 3

2n = 12

n = 6

so, reggie collected 6 bags, then, Courtney collected 15 – 6 = 9 bags.

Hence, bags collected by reggie and Courtney are 6, 9 respectively

Question I’m ten and I’m homeschooled I don’t know what grade I’m supposed to be in so I was wondering if you knew?

Answers

ummmm you should maybe ask your mom or dad

Answer:

If you want you can join my zoom meeting so you can explain better?

i would be happy to help!

Step-by-step explanation:

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Using a cardboard paper to construct and cut out two isosceles triangles. Join them base to base to form a single shape. What shape does it form?

Five sixth minus one third

Katie ordered candles that cost $3 each from a website. She was charged a flat shipping fee of $6 and no sales tax. If she spent a total of $54, which equation can be used to find c, the number of candles she ordered?A. 3c = 54 B. 6c = 54 C. 3c + 6 = 54 D. 3c – 6 = 54

Need some help doing this question, thanks!