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cestrela7 [59]
2 years ago
11

Does someone want to help me solve this problem

Mathematics
1 answer:
Hoochie [10]2 years ago
3 0

Answer:

(cx)2-(dy) 2

Step-by-step explanation:

Formula a2-b2= (a+b) (a-b)

By given formula

(cx)2 - (dy) 2 = (cx+dy) (cx-dy)

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What is the height of this triangle? Round your answer to the nearest tenth.
love history [14]

Answer:

5.7

Step-by-step explanation:

pythagorean theorem

A^2 + B^2 = C^2

sub in

A^2 + 7^2 = 9^2

simplify

A^2 + 49 = 81

solve

A^2 = 32

solve further

A = \sqrt{32

use calculator and get:

5.65685

round and get:

<u>5.7</u>

5 0
3 years ago
(EXTRA POINTS) Which of the following relations is a function?<br><br><br><br> file in question
Taya2010 [7]
I think it is a I am not sure though
6 0
3 years ago
Karens monthly cell phone bill depends on the number of minutes, m, she talks. The expression 10+0.25m can be used to determine
Dennis_Churaev [7]

Answer:  The amount of Karen's bill = $ 60

Step-by-step explanation:

Given : The expression 10+0.25m can be used to determine the amount o, where <em>m =</em> The number of minutes she talks.

If she talks for 200 minutes in one month, then put m= 200 in the above expression we will get the amount of Karen's bill =  10+0.25(200)

= 10+ 50

= 60

Hence,  the amount of Karen's bill = $ 60

5 0
2 years ago
Emeka is 10 years 6 months old and his classmate Boyle is 9 years old find the ratio of their age​
Ghella [55]

Answer:

Hi...

10+6/12=10.5

So...10.5/9=1.16

4 0
2 years ago
In the number 2,145,857 how does the digit 5 in the thousands place compare to the digit 5 in the tens place
Sergeeva-Olga [200]

Hello from MrBillDoesMath!

Answer:

The 5 in the thousands place means 5 * 1000 or 5000. The 5 in the tens place means 5* 10 or 50.


Thank you,

MrB

4 0
3 years ago
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