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3 years ago

A truck is carrying 3 tons of cement and 150 pounds of bricks. How many pounds does the truck's load weigh in total?

Mathematics

2 answers:

Andreas93 [3]3 years ago

6 0

Answer:

the answer is 6150

Step-by-step explanation:

wariber [46]3 years ago

5 0

6150 not sure but if im wrong im so sorry

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The ages of trees in a forest are normally distributed with a mean of 25 years and a standard deviation of 4. Approximately what

harkovskaia [24]

Answer:

78.88%

Step-by-step explanation:

We have been given that

$\mu=25,\sigma=4,x_1=20,x_2=30$

The z-score formula is given by

$z-\text{score}=\frac{x-\mu}{\sigma}$

For $x_1=20$

$z_1=\frac{20-25}{4}\\\\z_1=-1.25$

For $x_2=30$

$z_2=\frac{30-25}{4}\\\\z_2=1.25$

Now, we find the corresponding probability from the standard z score table.

For the z score -1.25, we have the probability 0.1056

For the z score 1.25, we have the probability 0.8944

Therefore, the percent of the trees that are between 20 and 30 years old is given by

0.8944 - 0.1056

= 0.7888

=78.88%

6 0

3 years ago

Read 2 more answers

Help Please I need to be in school in 30 minutes and its due today.

MA_775_DIABLO [31]

Answer: C: 2/5

Step-by-step explanation:

because there is 10 tiles total in two bags with 5 tiles each

each bag has two vowels

so part over whole means 2/5

8 0

2 years ago

1, 4, 13, 40, 121 what is the next number in the pattern

mart [117]

Add powers of 3.
1 + 3 = 4
4 + 9 = 13 = 4 + 3^2
13 + 27 = 40 = 13 + 3^3
40 + 81 = 121 = 40 + 3^4
Now you need to add 3^5 to 121.

121 + 3^5 = 121 + 243 = 364

7 0

3 years ago

Directions- Solve the following problem and write your answer in scientific notation. The mass of the moon is about 7.3X10^22 kg

Masteriza [31]

Answer:

Step-by-step explanation:

7.3×10^22 = 73,000,000,000,000,000,000,000

73,000,000,000,000,000,000,000 × 26,000,000 = 1,898,000,000,000,000,000,000,000,000,000 or 1.898 × 10^30

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3 years ago

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stellarik [79]

Answer:

a dry-erase maker

Step-by-step explanation:

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3 years ago