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timama [110]
3 years ago
13

With the equation 2/10=4/a-3 what does a equal?

Mathematics
1 answer:
shusha [124]3 years ago
5 0

Answer:

23

Step-by-step explanation:

Since 2/10 = 4/20, we know that a-3 = 20, so a = 20 + 3 = 23.

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Factor the expressions and write the equivalent expression<br>1) 20h-5<br>2)15r+35<br>3)-4p+10
MrRa [10]

Answer:

1) 5 ( 4h - 1 )

2) 5 ( 3r + 7 )

3) 2( -2p +5 )

Step-by-step explanation:

For no. 1 you have to find a <u>common factor (</u>a number that divides into both 20 and 5) which is 5 because 20 divided by 5 is 4 and 5 divided by 5 is 1. so you have to do 20h divided by 5 which is 4h (don't forget the h ! ) and you do -5 divided by 1 which is -1. Remember when you do any multiplying or dividing questions with negatives and positives :

minus + minus = minus  (-5*-6 = -30)

positive + positive = positive (5*6 = 30)        * equals multiplacation by the way

minus + positive = minus (-5*6 = -30)

positive + minus = minus (5*-6 = -30)

hope this helped xx

8 0
3 years ago
May I please receive help
alisha [4.7K]

Answer:

Angle 8 = 84 degrees

Angle 5 = 96 degrees

Step-by-step explanation:

Angle 8 = 84 degrees because Angle 2 and Angle 8 are inside opposite which makes them equivalent.

Angle 5 = 96 degrees because 180-84=96

3 0
3 years ago
Which circles are congruent
Usimov [2.4K]

Answer:

Correct choice is 3rd choice

Step-by-step explanation:

Congruent circles must have congruent radii.

There are four circles with radii of 3 in, 4 in, 5 in and 3 in.

Hence, the first circle is congruent to the last circle, or circle A is congruent to the circle D.

5 0
4 years ago
Read 2 more answers
What is the volume of the volume of the sphere?​
ozzi
There ya go

-Hope it helps

3 0
3 years ago
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Find the difference between (x + 5) and (2x+3)​
Zigmanuir [339]

Answer: The difference between the given expressions would be

Step-by-step explanation:Step-by-step explanation:

Given phrase,

Difference between x+5 and 2x+3,

  ( By distributive property )

    ( By combining like terms )

Hence, the required difference would be

3 0
3 years ago
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