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trasher [3.6K]
3 years ago
12

What is the distance between points (-7, 8) and (2,8)? A 9 units B 4 units C 3 units​

Mathematics
1 answer:
Likurg_2 [28]3 years ago
6 0
The answer is A) 9 units
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What is the product of a+3 and −2a2+15a+6b2?
Lady bird [3.3K]

Answer:

c. 2a3+9a2+45a+6ab2+18b2

Step-by-step explanation:

(a+3) + (−2a2+15a+6b2)

Using distributed p. with and a and 3

a(−2a2) + a(15a) +a(6b2)        and       3(−2a2) + 3(15a) + 3(6b2)

= -−2a3 + 15a2 + 6ab2                          = -6a2 + 45a + 18b2

Now add like terms and put in standard form.

15a2+(-6a2) = 9a2  

And equals

-2a3 + 9a2+45a+6ab2+18b2

Trust me I took the test and got 100%

Your welcome,

7 0
3 years ago
Read 2 more answers
ANSWER ASAP FOR BRAINLIEST AWARD
Mashcka [7]

we can see that

semicircle is cut off from a rectangle

Area of rectangle:

length =8

width =14

area =length*width

Area=14*8

Area=112

Area of semicircle:

diameter=8

so, radius =4

Area=\frac{1}{2} \pi r^2

Area=\frac{1}{2} \pi (4)^2

Area=25.13274

now, we can find resultant area

=112-25.13274

=86.86726

so, option-C..........Answer

5 0
4 years ago
Read 2 more answers
I dont know how to do this
ra1l [238]
So LCM means least common multiple, and it would be 210.

Hope this helps you :)

3 0
3 years ago
NO LINKS OR ANSWERING WHAT YOU DON'T KNOW?
snow_lady [41]

Answer:

1. D. 1

2. B. y=a³/x

3. A. y=1/x

Step-by-step explanation:

too long to give te explanations but they're there in the attachments

7 0
3 years ago
A 3 lb bag of one brand of cat food costs $3.52. A 6 lb bag of another brand costs $6.80. Which brand is cheaper per pound?
Illusion [34]
A 6 lb bag of another brand 
5 0
3 years ago
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