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kompoz [17]
3 years ago
13

How do i do these without a calculator

Mathematics
1 answer:
77julia77 [94]3 years ago
8 0

Answer:


Step-by-step explanation:

ok just try to figure out the square root if their no certain number you can do an estimate.

For example 625 squared root is 125

For higher one you can use prime factorization to get the prime factors and with that you have to make groups of numbers with the number left side

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Steve's sister is 25 years old. her age is 5 years more than 4 times his age.
Virty [35]

Answer:

Steve is 5

Step-by-step explanation:

Steves sister is 25, she is 5 years more than 4 times steve is.

5 * 4 = 20 and the sister is 5 years older so,

Steve is 5

6 0
3 years ago
***WORTH 40 POINTS*** [−3−4x≤21]
Ksenya-84 [330]

Answer:

the croccect amswer is A

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Simplify 8 + 24 ÷ 23.
diamong [38]

Answer:

9.043478261

Step-by-step explanation:

I hope this helps!

6 0
3 years ago
What is the slope of a line PARALLEL to the graph?<br> A) -3 <br> B) 0 <br> C) 3 <br> D) - 1/3
algol [13]

Answer: C

Step-by-step explanation:

The given graph is a straight line graph.

Slope of a straight line graph is expressed as

Slope, m =change in value of y on the vertical axis / change in value of x on the horizontal axis

change in the value of y = y2 - y1

Change in value of x = x2 -x1

y2 = final value of y

y 1 = initial value of y

x2 = final value of x

x1 = initial value of x

From the graph,

y2 = 4

y1 = 1

x2 = 2

x1 = 1

Slope = (4 - 1)/(2-1) = 3/1 = 3

If two lines are parallel, it means that they have the same slope. Therefore, the slope of the line parallel to the graph is 3

8 0
3 years ago
The circumference of a circular pond in the park is 120 meters. Find the area.
dsp73

Answer:

38.21 in

Step-by-step explanation:

Given data

C= 120meters

We also know that circumference

C=2πr

Substitute

120=2*3.142*r

120= 6.28r

r= 120/6.28

r= 19.10 m

Hence the diamter D

D= r*2

D= 38.21 in

6 0
3 years ago
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