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Levart [38]
3 years ago
11

Please help me now plz I promise I will mark you brainliest

Mathematics
1 answer:
miskamm [114]3 years ago
6 0

Answer:

It should be 72 degrees

Step-by-step explanation:

angle j and h are the same so you just add 63 to 45 and once you get 108, just subtract that from 180 degrees which is the full measure of the triangle.

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When you double my number and add five you get 17 what is my number
Alexeev081 [22]

the answer is 6, 6 times 2 is 12 plus 5 is 17

3 0
3 years ago
Read 2 more answers
A stack of ninety cards is placed next to a ruler, and the height of the stack is measured to be 3/4 inches. How thick is one ca
den301095 [7]
(3/4)/90
each card is 0.0083 inches thick
8 0
4 years ago
What is the density of a brownie the shape of a cube weighing 15 grams measuring 5 cm on a side?
ipn [44]

Answer:

  0.12 g/cm³

Step-by-step explanation:

Density is the ratio of mass to volume. The volume of the brownie is the cube of its side dimension:

  V = s³ = (5 cm)³ = 125 cm³

Then the density is ...

  ρ = M/V = (15 g)/(125 cm³) = 0.12 g/cm³

The density of the brownie is 0.12 g/cm³.

5 0
3 years ago
you are asked to size the diameter of a bolt loaded in shear to the nearest 1/8 inch with a factor of safety of 1.5. you find th
kupik [55]

Answer:

2.375 inches

Step-by-step explanation:

<u>Main Steps</u>

1. Identifying important parts of the question

2. Solving the problem

<u>Step 1. - Identifying important parts of the question</u>

In the question, there is some extraneous information.  For instance, the question introduces the terms "diameter" and "loaded in shear" and "with a safety factor of 1.5".  However, given the information in the problem, and the question asked, it isn't necessary to know that it is "loaded in shear" means, or to know what a diameter is (since everything stays with diameters, and doesn't involve another dimension), and the problem gives the result that will satisfy "a safety factor of 1.5".

<u>Sifting through the problem/question, these are the important parts:</u>

- "to the nearest 1/8 inch" (meaning round to the nearest 1/8th of a unit)

- with "units of inches to 3 decimal places"

- The number to round is "2.4183 inches

<u>Step 2. - Solving the Problem</u>

To round to the nearest 1/8 inch, we can divide the number 2.4183 by 1/8.  

2.4183 \div(1/8)

Recall that dividing by a fraction is the same as multiplying by the reciprocal

2.4183 * 8

19.3464

So, there are approximately 19, one-eighth-inches in the measurement.  (Note that 19.3464 is closer to 19 than it is to 20).  To find the final rounded measurement, multiply 19 by 1/8

19 * (1/8)

2.375 inches

So, the diameter of the bolt that should be used (if rounded to the nearest 1/8 inch, to allow for a factor of safety of 1.5) is 2.375 inches

5 0
1 year ago
Amy has 300 CDs 60 of the cds are classical music what percent of Amy’s cds are classical music
kipiarov [429]

Answer:

20% of Amy's cds are classical music

Step-by-step explanation:

60/300

6/30

1/5

.20

20%

8 0
3 years ago
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