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3 years ago

Please help me. who ever answers first will be marked brainless I need the answer for number 2

Mathematics

2 answers:

kiruha [24]3 years ago

4 0

Exact form 1053/16
Decimal form 65.8125
mixed Number form 65 13/16

Harlamova29_29 [7]3 years ago

4 0

2.) 10 1/8 +(2 7/8)
7/8 + 5/8= 1 and 1/2

1+3+2= 6

6 and 1/2 +10 and 1/8

16 5/8 is your answer.

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A new born baby has about 26,000,000,000 cells. An adult has about 4.94 × 10^13 cells. How many times as many cells does an adul

anzhelika [568]

4.94*10^13 / 2.6*10^10=1.9 * 10^3=1900 times

5 0

3 years ago

Find the distance :

faltersainse [42]

1. You would do 45 × 3 = 135 miles
2. 630 ÷ 2 = 315. 630 + 315 = 945 miles
3. 54 × 11 = 594 miles

1. Time is distance ÷ speed, so 4760 ÷ 560 = 8 1/2hours
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I hope this helps!

4 0

3 years ago

Urgent please help, will give brainliest

dem82 [27]

in right angle traingle two angle are equal

so.x=y

in triangle

x+y+90=180(sum of interior angle of triangle)

2x=180-90

x=90/3=45°

7 0

3 years ago

What is 0.2 1/4% as a decimal??

Serga [27]

The answer to the question is 0.25

4 0

3 years ago

Read 2 more answers

Okay this my last one can y'all help

zlopas [31]

a. The solution is (0,2)

b. The first expression will be easier to substitute as in the first expression the variable y is already isolated on one side of the equation so we can easily put 5x+2 in place of y in equation 2.

Step-by-step explanation:

Given equations are:

$y = 5x+2\ \ \ \ Eqn1\\12.5x+2.5y = 5\ \ \ \ Eqn2$

a. Solution

Putting y = 5x+2 in equation 2

$12.5x+2.5(5x+2) = 5\\12.5x+12.5x+5 = 5\\25x +5 = 5\\25x = 5-5\\25x = 0\\x = 0$

Putting x = 0 in equation 1

$y = 5(0)+2\\= 0+2 = 2$

Hence,

The solution is (0,2)

b: Reason:

The first expression will be easier to substitute as in the first expression the variable y is already isolated on one side of the equation so we can easily put 5x+2 in place of y in equation 2.

Keywords: Linear equation, substitution

Learn more about linear equations at:

#LearnwithBrainly

7 0

4 years ago