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nasty-shy [4]
2 years ago
9

Which of the following are incorrect expressions for slope? Check all that apply.

Mathematics
1 answer:
Crazy boy [7]2 years ago
7 0
Pretty sure it’s B and D
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The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?
horsena [70]
Area for circle is  πr² so πr² =28.26 and we can sub 3.14 as pi
3.14*r²=28.26 we can divide by 3.14 to get r² on it's own
r²=28.26/3.14
then we root both sides to get r on it's own
28.26/3.14=9 √9=3
and the diameter is double the radius 3*2=6 so the diameter is 6

5 0
2 years ago
What is the volume of this figure
Serga [27]

Answer:

The answer is 2,016

Step-by-step explanation:

4 × 4 × 3 × 2 × 3 × 7= 2,016

5 0
1 year ago
A customer wants to purchase a pair of shoes that cost $45 and the state sales tax is 7%.
Rasek [7]

Answer:

$22.84

Step-by-step explanation:

The tax is calculated by 0.075 * 21.25 = 1.59375 or $1.59. So the total bill is the cost of items purchased plus tax, which is $21.25 + $1.59 = $22.84.

3 0
3 years ago
When 2x^2 - 20x + 49 = 19 is written in the form (x - p)^2 = q, what is the value of q? Show your work please.
Strike441 [17]
 = 2x^2 - 20x + 49 = 2(x^2 - 10x + 49/2) 

y= 2((x-5)^2 - 25 + 49/2) = 2((x-5)^2 - 1/2) = 2(x-5)^2 - 1 

q =5, r=-1, p=2 

Vertex = (q,r) = (5,-1)

hope it helps plz mark as brainliest
5 0
3 years ago
Lucy made $65 for 5 hours of work.
shusha [124]

Answer:

169

Step-by-step explanation:

65 divided by 5 to get 13

and multiply that with 13

like this: 13x13

to get 169

6 0
2 years ago
Read 2 more answers
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