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Solnce55 [7]
3 years ago
6

Pls help answer the questions

Mathematics
2 answers:
natulia [17]3 years ago
7 0

Answer:

C

Step-by-step explanation:

IM PRETTY SURE ..

malfutka [58]3 years ago
4 0
First one should be B
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How many tons are in 40000 pounds
GarryVolchara [31]
If you're on about us tons then it = 20 
However if it's tonnes then it = 18.143695 
6 0
3 years ago
Rationalize the denominator of the fraction: √5/√8 - √3
Lana71 [14]

Answer:

Step-by-step explanation:

Remark

The editor must have brackets put around the denominator when there are 2 terms.

That means I think the question is (√5) / (√8 - √3). If this is incorrect, leave a note.

To rationalize the denominator, you must multiply numerator and denominator by the conjugate  (√8 + √3).

Solution

√5 *  (√8 - √3) /  ( (√8 - √3) *  (√8 + √3)  )  

I don't think there is any point in removing the brackets in the numerator. Just leave it.

The denominator is a different matter.

denominator = ( (√8 - √3) *  (√8 + √3)  )

√8 * √8 = 8

√8 * √3 = √24

- √3 * √8 = - √24

-√3 * √3 = - 3

Take a close look at the 2 middle terms. They cancel out because one of them is plus and the other minus.

What you are left with is 8 - 3 = 5

So the final answer is

√5 *  (√8 - √3)

=============

5

6 0
2 years ago
a computer store bought a program at a cost of $20 and sold it at a selling price$26. what is the percent markup
tekilochka [14]

it would be a 6 percent mark up :)

8 0
3 years ago
Can somebody help me do this, please
natta225 [31]

Step-by-step explanation:

For the triangle on the bottom right the missing angle is

180- (74+50)= 56°

For the triangle on the bottom left the missing angle is

180- (45+80)= 55°

For the triangle in the middle the missing angle is

180- (54+51)= 75°

For the triangle on top the missing angle is

180- (80+54)= 46°

180- (74+51)= 55°

180- (46+55)= 79°

3 0
3 years ago
students recorded the total number of pages and chapters in each of several books on the scatterplot. Based on the sbcatterplot,
Natalija [7]

Answer:

7

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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