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Anettt [7]
3 years ago
15

What is the value of u? 6.4u−5.1u=−3.25 Enter your answer in the box. u=

Mathematics
2 answers:
Ymorist [56]3 years ago
8 0

6.4u-5.1u=-3.25 subtract

1.3u=-3.25  divide

u= -2.5

Nastasia [14]3 years ago
8 0

Answer:

The answer is u=-2.5

Step-by-step explanation:

This exercise consists in clear the value of u, so we will have to made a subtraction and a division, this is:

6.4u-5.1u=-3.25\\Subtracting\\1.3u=-3.25\\Dividing\\u=\frac{-3.25}{1.3} \\u=-2.5

From the above the answer is u=-2.5

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Solve <br><br> 1/5(20−10x)−8x&gt;−6x−16
Harrizon [31]

Answer:

Step-by-step explanation:

4 - 2x - 8x > -6x - 16

4 - 10x > -6x - 16

4 - 4x > -16

-4x > -20

x < 5

7 0
3 years ago
The weights of cars passing over a bridge have a mean of 3,550 pounds and
Dovator [93]

The approximate probability that the weight of a randomly-selected car passing over the bridge is more than 4,000 pounds is 69%

Option C is the correct answer.

<h3>What is Probability ?</h3>

Probability is defined as the study of likeliness of an event to happen.

It has a range of 0 to 1.

It is given in the question that

The weights of cars passing over a bridge have a mean of 3,550 pounds and standard deviation of 870 pounds.

mean  = 3550

standard deviation,  = 870

Observed value, X = 4000

Z = (X-mean)/standard deviation = (4000-3550)/870 = 0.517

Probability of weight above 4000 lb

= P(X>4000) = P(z>Z) = P(z> 0.517) = 0.6985

The approximate probability that the weight of a randomly-selected car passing over the bridge is more than 4,000 pounds is 69%

To know more about Probability

brainly.com/question/11234923

#SPJ1

6 0
2 years ago
It is about solving equations by substitution. if you can help plzzz
Lyrx [107]
Message me, and i can help more:)
6 0
4 years ago
Please help me! WILL MARK BRAINLIEST. Thanks!
galben [10]

Answer:

For the first table: (0, 10) (1, 15) (2, 20) (3, 25) (4, 30)

For the second table: (-2, 1.04) (-1, 1.2) (0, 2) (1, 6) (2, 26)

For the third table: (-2, 10) (-1, 0) (-1/2, -5/4) (1, 10)

Step-by-step explanation:

5 0
4 years ago
What is the quotient of 2/3 divided by 4 in simples form
Alex17521 [72]

Step-by-step explanation:

Quotient of 2/3 divided by 4

= (2/3) / 4

= 2/12

= 1/6.

3 0
3 years ago
Read 2 more answers
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