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Dmitriy789 [7]
3 years ago
6

Uhh please help will give brainly thingy

Mathematics
1 answer:
SOVA2 [1]3 years ago
7 0

Answer:

1. x=1

2. no solution

3. infinite solutions

Step-by-step explanation:

1. 2(x+3)=2x+5+x

2x+6=3x+5

6=x+5

1=x

2. 2(2x-3)=6x+2-2x-9

4x-6=6x+2-2x-9

4x-6=4x-7

-6=-7

-6 does not equal -7 so there is no solution

3. 4(2x+6)+2=2x+16+6x+10

8x+24+2=2x+16+6x+10

8x+26=8x+26

26=26

26 is equal to 26 so x could be equal to anything since it ends up cancelling itself out

steps I used to solve:

1. solve distributive property

2. combine like terms

3. add/subract from both sides to try and get x by itself

4. if x is by itself you have your answer, and if there isnt an x in the final answer there is no solution or infinite solutions.

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Plz show ur work! Ty if u do. Will give brainilest!
Sati [7]

Answer:

12/32 divide by 4 and get 3/8 you can’t simplify any further after that

Step-by-step explanation:

5 0
3 years ago
Figure TUVS is a parallelogram.
poizon [28]

Angles T and V of the parallelogram are equal to 91°.

Calculating the Value of x

In the parallelogram TUVS, adjacent angles U and V are given as,

U = 4x+9

V = 6x-29

Since U and V are adjacent angles, and as per the properties of a parallelogram, sum of adjacent angles is equal to 180°.

4x+9 + 6x-29 = 180

10x - 20 =180

10x = 200

x = 20

Calculating the Angles of the Parallelogram

∠U = 4x + 9

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∠U = 80 + 9

∠U = 89°

∠V = 6x - 29

∠V = 6(20) - 29

∠V = 120 - 29

∠V = 91°

According to the properties of a parallelogram, opposite angles are of equal measure.

∴ ∠T = ∠V and ∠S = ∠U

⇒ ∠T = 91° and ∠S = 89°

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5 0
2 years ago
Max has sticks of lengths 6,7,8 and 10 inches. He wants to make a right triangle for an art project. Which 3 sticks should he us
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C since that's the only triangle where A^2+B^2=C^2 (36+64=100).
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3 years ago
The mean of a certain set of measurements is 27 with a standard deviation of 14. The distribution of the
Talja [164]

Answer:

Exactly 16%.

Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

The mean of a certain set of measurements is 27 with a standard deviation of 14.

This means that \mu = 27, \sigma = 14

The proportion of measurements that is less  than 13 is

This is the p-value of Z when X = 13, so:

Z = \frac{X - \mu}{\sigma}

Z = \frac{13 - 27}{14}

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Z = -1 has a p-value of 0.16, and thus, the probability is: Exactly 16%.

8 0
3 years ago
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