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Elena-2011 [213]
3 years ago
7

8.1+3.8h-5.6h=-7.2 What is h?

Mathematics
2 answers:
alexandr402 [8]3 years ago
6 0

Answer:

h=8.5

Step-by-step explanation:

8.1+3.8h-5.6h=-7.2

subtract -8.1 from both side

-1.8h=-15.3

divide both side by -1.8

h=17/20=0.85

happy to help pls mark me as brainliest :) and have a good one!

mihalych1998 [28]3 years ago
5 0
The answer will be
-1.8h=-7.2-8.1
h=-15.3/-1.8
h=8.5
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Help, please!!! Coordinate planes: find the distance. Thanks for helping!
ruslelena [56]

Answer:

The answer would be 11.3

Step-by-step explanation:

All you have to do is figure out how far one is from the other so from 7.8 I went back to 0 of course the Y coordinate stays the same. So then you get the -3.5 make it a positive so just 3.5 and then add to 7.8 to get 11.3

Hope this helped.

A brainliest is always appreciated.

6 0
3 years ago
Can anyone help? It’s not 14, I’ll give Brainly + 15 pts
Julli [10]

Short side length = x

Medium side = x + 7

Long side = 5x

Total 49, so

x + x + 7 + 5x = 49

If you combine like terms:

7x + 7 = 49

Subtract 7 from both sides

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Divide both sides by 7

x = 6 inches.

8 0
3 years ago
Add 84.0393 and 231.6581 and round the sum to the nearest hundredths and thousandths
Anna35 [415]
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7 0
3 years ago
Evaluate a+b for a=-17 and b=8
In-s [12.5K]

25

substitute 17 for A

substitute 8 for B

should look like this

17+8

then add

should look like this

17+8=25

8 0
3 years ago
Suppose 2' is a normally distributed random variable with ft = 10.3 and 0 = 3.8. For the following probability,draw an appropria
TiliK225 [7]

GIVEN

The following values are given:

\begin{gathered} \mu=10.3 \\ \sigma=3.8 \end{gathered}

SOLUTION

The z-score for the x values 9 and 14 can be calculated using the formula:

z=\frac{x-\mu}{\sigma}

For x = 9:

\begin{gathered} z=\frac{9-10.3}{3.8} \\ z=-0.34 \end{gathered}

For x = 14:

\begin{gathered} z=\frac{14-10.3}{3.8} \\ z=0.97 \end{gathered}

The probability can be calculated as follows:

P(9\le x\le14)=Pr(-0.34The region that represents the solution is shown below:Therefore, the probability is given to be:[tex]P(9\le x\le14)=0.4671

The probability is 0.4671.

8 0
1 year ago
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