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irina1246 [14]
2 years ago
6

Solve for x: x = 2 x = 5 x = 9 x = 13 MAX PTS AND BRAINLIEST

Mathematics
2 answers:
aalyn [17]2 years ago
6 0

Use the substitution method from using the mutiple choices.

The two numbers must equal to each other.

x= 2

(2+50)/2= 13(2)

add first then divide

(52)/2= 13(2)

26= 26

Answer: x= 2

kodGreya [7K]2 years ago
3 0

(x+50)/2 = 13x

First multiply both sides by 2 to remove the fraction:

x +50 = 26x

Subtract 1x from each side:

50 = 25x

Divide both sides by 25:

x = 50/25

x = 2

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Plzzz help....I am timed...There will be a picture provided....You will get 30 points!!! MATHH
xxMikexx [17]

Answer:

It should be the last one, She made a sign error when multiplying.

3 0
2 years ago
Read 2 more answers
im not sure wether to replace the minus signs with addition, so if you could help me that would be nice :) 1.2y+4.5-3.4y-6.3
Elenna [48]

Answer:

-2.2y - 1.8

Step-by-step explanation:

We are to simplify the expression:

1.2y + 4.5 - 3.4y - 6.3

Collect like terms:

1.2y - 3.4y + 4.5 - 6.3

Simplify:

-2.2y - 1.8

That is the answer.

6 0
3 years ago
Send help please!! i want to complete it asap
Nadusha1986 [10]
It’s a little complicated but here’s how it works:
Imagine a table with the intervals
0:4 , 4:6 , 6:7 , 7:10 , 10:13 (10 year intervals)
Then we have different rows
Class width: 4 , 2 , 1 , 3 , 3
Freq density: 0.2 , 0.5 , 1.2 , 0.7 , 0.3
So now calculate frequency where freq = class width * density
Freq: 0.8 , 1 , 3.6 , 2.1 , 0.9
So to find median find cumulative frequency
(Add all freq)
Cfreq = 8.4 now divide by 2 = 4.2
So find the interval where 4.2 lies.
0.8 + 1 = 1.8 + 3.6 = 5.6

So 4.2 (median) will lie in that interval 60-70 years.
7 0
2 years ago
Diane keeps her ribbons in a drawer. She has 3 white ribbons, 6 pink ribbons, 2 yellow ribbons, and 7 blue ribbons. Without look
Akimi4 [234]

Answer:

1/3

Step-by-step explanation:

She has 18 ribbons in total and she has 6 pink ribbons so she has a 6/18 chance or 1/3 chance of pulling a pink ribbon

6 0
2 years ago
Solve for A <br> ASAP ANSWER
vlada-n [284]

Step-by-step explanation:

A = B

7x + 40° = 3x + 112°

7x - 3x = 112° - 40°

4x = 72°

x = 18°

A = 7x + 40°

= 7(18°) + 40°

= 126° + 40°

= 166°

hope it help

can you help to answer my question? my math is better ,but my english is bad ,can you help me,please

5 0
2 years ago
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