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2 years ago

50 POINTS ANSWER FAST PLEASE

Mathematics

2 answers:

Sholpan [36]2 years ago

6 0

Answer:

Question 2.) 16

144÷9=16

Question 3.) 16

16÷12=1.33... and all the others equal 1.33... as well

Question 4.) 20

20÷16=1.25 and all tho others equal 1.25 as well

Question 5.)12

8÷12=0.66... and all the others equal 0.66.... as well

I hope this is good enough for you:

Lelu [443]2 years ago

4 0

Answer:

The first one is 16

The second one is 14

*not sure about the second one*

Step-by-step explanation:

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Whath percentage of 1m is 76cm

nlexa [21]

76% is the correct.....

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3 years ago

Solve for x.

ololo11 [35]

17. The answer should be 17

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2 years ago

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Find the arc length of the 3/4 of a circle with a radius of 5

IgorLugansk [536]

Answer:

7.5 pi

Step-by-step explanation:

The formula for arc length of a sector is denoted as

$\frac{x}{360}2\pi r$ , where x is the central angle of the sector.

Since the sector is 3/4 of a circle, the central angle will be 3/4 of 360 degrees.

3/4 of 360 is 270, so we have our central angle. We also have our radius which we can plug into the formula.

$\frac{270}{360}2(5)\pi$

2 times 5 is equal to 10, and 270/360 simplifies to 3/4. 3/4 times 10 is equal to 7.5, so the answer is 7.5 pi

3 0

3 years ago

If you have 20 coins worth $1.35, and you only have nickels and dimes, how many do you have of each coin?

ankoles [38]

N + d = 20....n = 20 - d
0.05n + 0.10d = 1.35

0.05(20 - d) + 0.10n = 1.35
1 - 0.05d + 0.10d = 1.35
-0.05d + 0.10d = 1.35 - 1
0.05d = 0.35
d = 0.35/0.05
d = 7 <==== 7 dimes

n + d = 20
n + 7 = 20
n = 20 - 7
n = 13 <=== 13 nickels

5 0

3 years ago

Fill in the missing number to complete the factorization:

IrinaVladis [17]

The last terms must multiply to the last terms (confusing)

example

if ax^3+bx^2+c+d=(ex+f)(gx+h)(jx+k) then
d=fhk

so

70 is last term
we got 2 and 5
2*5*?=70
10*?=70
divide by 10
?=7

the missing number is 7

6 0

3 years ago