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Anna007 [38]
3 years ago
6

Give the domain and range. Tell if it is a function.

Mathematics
1 answer:
Anna [14]3 years ago
6 0
It’s not a function
That’s all I know sorry!
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A rectangular block of copper metal has a mass of 1800 grams. The dimensions of the block
Hoochie [10]
Use formula p=m/v
P is density
M is mass
V volume
So you have the volume already now 8x5x4= 160 which is the volume
P= 1800/160 after you divide you get 11.25
The density is 11.25
3 0
3 years ago
Normal Distribution. Cherry trees in a certain orchard have heights that are normally distributed with mu = 112 inches and sigma
Lubov Fominskaja [6]

Answer:

The probability that a randomly chosen tree is greater than 140 inches is 0.0228.

Step-by-step explanation:

Given : Cherry trees in a certain orchard have heights that are normally distributed with \mu = 112 inches and \sigma = 14 inches.

To find : What is the probability that a randomly chosen tree is greater than 140 inches?

Solution :

Mean - \mu = 112 inches

Standard deviation - \sigma = 14 inches

The z-score formula is given by, Z=\frac{x-\mu}{\sigma}

Now,

P(X>140)=P(\frac{x-\mu}{\sigma}>\frac{140-\mu}{\sigma})

P(X>140)=P(Z>\frac{140-112}{14})

P(X>140)=P(Z>\frac{28}{14})

P(X>140)=P(Z>2)

P(X>140)=1-P(Z

The Z-score value we get is from the Z-table,

P(X>140)=1-0.9772

P(X>140)=0.0228

Therefore, the probability that a randomly chosen tree is greater than 140 inches is 0.0228.

5 0
3 years ago
Write the decimal as a percent of 0.768
Nikitich [7]

To convert from decimal to percent, just multiply the decimal value by 100. In this example we have: 0.768 × 100 = 76.8%

The ease way:

1) Move the decimal point two places to the right: 0.768 → 7.68 → 76.8.

2) Add a % sign: 76.8%

"<u>Answer: 76.8%"</u>

Hope this helps!

Thanks!

-Charlie

8 0
2 years ago
Read 2 more answers
I forgot how to solve this question <br> 7x +9=58
daser333 [38]
Minus 9 from both sides

7x = 49

X = 7
6 0
2 years ago
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Solve for x. Please look at the picture and answer it. Thank you.
Tatiana [17]
<h3>Answer :- </h3>

  • x = 24

<h3>Solution :- </h3>

  • 2x + 42 = 90
  • 2x = 90 - 42
  • 2x = 48
  • x = 48/2
  • x = 24

<em>Hope</em><em> it</em><em> helps</em><em> </em><em>~</em>

7 0
2 years ago
Read 2 more answers
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