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nika2105 [10]
3 years ago
7

PLEASE HELP ASAP!!!!

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
8 0

Answer:

1. \frac{46}{7}

2. 6.6

3.6.8

4.\sqrt{47}

Step-by-step explanation:

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If JK answered / of the Math questions correctly, how many points did she get in a 50- item test?
Fittoniya [83]

Answer:

JK got 30 answers correct on a 50 item test.

Step-by-step explanation:

It is given that:

Total items on test = T = 50

Fraction of total items that were answered correctly = 3/5

We simply have to multiply the total number of questions by the fraction of correct answers.

So,

The correct answered number of items are:

= \frac{3}{5} * 50\\=30

Hence,

JK got 30 answers correct on a 50 item test.

4 0
3 years ago
Expand (3x + 1)(x + 2) using the box method of by foiling. Show or explain<br> your steps.
Reika [66]
The result would be 3x^2+7x+2.

If you have any question, tell me and I would be more than happy to help! Thanks.
3 0
3 years ago
Find the surface area.<br> 24 in.<br> 40 in.<br> 10 in.<br> 26 in.
gogolik [260]

Answer:

100 i think

Step-by-step explanation:

5 0
2 years ago
A tree casts a shadow x = 100 ft long when a vertical rod 6.0 ft high casts a shadow 4.0 ft long. (See the illustration.) How ta
rewona [7]
I'm not really sure If I would be much help but I'll try best k? (cries a little) So you do 100
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So your answer is 11.0 for the tall tree.

                       
8 0
3 years ago
What is the maximum value?
Pavel [41]

Answer:

the maximum value is 3

Step-by-step explanation:

The maximum value of the function y = -2+5sin(pi/12(x-2)) is determined by taking the first derivative of the function. The first derivative is equal ( 5 pi/ 12 )* sin ((pi/12) (x-2)) = 0. x is equal to 4472 through the calculator. Substituting to the original equation, the maximum value is 3.

5 0
3 years ago
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