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Lynna [10]
4 years ago
12

WILL MARK BRAINLIEST + 10 POINTS!!!! #2

Mathematics
1 answer:
Alenkasestr [34]4 years ago
7 0

Answer:

○ -\frac{\sqrt{6} + \sqrt{2}}{4} = \frac{-\sqrt{6} - \sqrt{2}}{4}

Step-by-step explanation:

Input this trigonometric ratio into a scientific calculator, and you will end up with the above answer.

* I also included its high term, so you know which answer to choose from.

I am joyous to assist you anytime.

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Find the total thickness of two pieces of wood that a carpenter glued together if one is 5/16 inch thick and the other is 7/8 in
MrRa [10]

the answer is

5/16 + 7/8=  

5/16 +14/16=  

19/16 = 1 3/16 in.

hope this helps

7 0
3 years ago
Read 2 more answers
A problem states: "There are 9 more pencils than pens in a container. There are 25 writing utensils in the container in all. How
Leona [35]

Answer:

the answer is 16

Step-by-step explanation:

25-9=16 pens


3 0
4 years ago
Read 2 more answers
uppose you are asked to find the area of a rectangle that is 2.1-cm wide by 5.6-cm long. Your calculator answer would be 11.76 c
r-ruslan [8.4K]
Significant figures and decimal places are different things. If this were to be rounded to 2 DP you would be right, however Significant figures are to do with units. In this case, it would be 12cm^2

5 0
4 years ago
Can some help me with this math problem
kvasek [131]

Answer:

This is true when the shape is a cube because all the faces are equivalent. This isn't true when it is a rectangular prism because some faces have areas larger than other faces.

Step-by-step explanation:

7 0
3 years ago
Susie collected data on the favorite type of music of the students of two grades. The table below shows the relative frequencies
svp [43]

Answer:

In Grade 9, 20% of students liked classical music.

Step-by-step explanation:

Your table was hard to decipher, so I have recreated it here.

\begin{array}{c|cccc}&\text{Pop}&\text{Classical}&\text{Heavy Metal}&\text{Total}\\\text{Grade 8}&0.50&0.10&0.40&1.00\\\text{Grade 9}&0.53&0.20&0.27&1.00\\\text{Total}&0.36&0.32&0.32&1.00\\\end{array}

(a) In Grade 9, 53 students liked pop music.

FALSE. 53 % of the students liked pop music. We don't know how many students there were.

(b) In Grade 8, 60% of students liked heavy metal.

FALSE. 40 % of students liked heavy metal.

(c) In Grade 8, 10 students liked classical music.

FALSE. We don't know how many students there were.

(d) In Grade 9, 20% of students liked classical music.

TRUE. 0.20 means 20/100 or 20 %.

4 0
4 years ago
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