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DaniilM [7]
3 years ago
8

Help pls pls pls pls pls pls pls

Mathematics
1 answer:
sergiy2304 [10]3 years ago
8 0

Answer:

485

Step-by-step explanation:

Q(-9) = 6(-9)² - 1 = 6×81 - 1 = 486 - 1 = 485

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Find the slope and y-intercept of (x+2)(x+3)=(x-2)(x-3)+y​
allochka39001 [22]

Answer:

Slope: 10

y-intercept: (0,0)

5 0
3 years ago
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If lines joined each given point on the graph to the origin, which points would be on lines that represent a unit rate greater t
Brut [27]

Answer:

The first three, (2, 8), (3, 9) and (4, 10).

Step-by-step explanation:

The unit rate, or rate of change, is another term for the slope.

The formula for slope is

m=\frac{y_2-y_1}{x_2-x_1}.

The slope in the table would be given by

m = (22-11)/(10-5) = 11/5 = 2.2.

For the slope of the line that goes through (2, 8) and (0, 0), we have

m = (8-0)/(2-0) = 8/2 = 4.  This is greater than 2.2.

For the slope of the line that goes through (3, 9) and (0, 0), we have

m = (9-0)/(3-0) = 9/3 = 3.  This is greater than 2.2.

For the slope of the line that goes through (4, 10) and (0, 0), we have

m = (10-0)/(4-0)/ = 10/4 = 2.5.  This is greater than 2.2.

For the slope of the line that goes through (5, 8) and (0, 0), we have

m = (8-0)/(5-0) = 8/5 = 1.6.  This is not greater than 2.2.

For the slope of the line that goes through (6, 7) and (0, 0), we have

m = (7-0)/(6-0) = 7/6 = 1.16.  this is not greater than 2.2.

For the slope of the line that goes through (7, 6) and (0, 0), we have

m = (6-0)/(7-0) = 6/7 = 0.86.  This is not greater than 2.2.

7 0
3 years ago
Read 2 more answers
A club wants to choose a committee of 4 people from its 12 members.
AlladinOne [14]
Hello!
.
The answer to your question is 495 ways.
.
n = 12
r = 4
.
nCr = n1 / (n-r)! r1
12C4 = 12! / (12-4)! 4!
12C4 = 12x11x10x9x8! / 8! 4!
12C4 = 11880 / 24
12C4 = 495
:)
3 0
3 years ago
Read 2 more answers
Please help, I will give brainliest!!!
swat32

Answer:

D is the true statement

Step-by-step explanation:

A

h(4)=13 and h(20)=13, so h(4)=h(20) and it is not true that h(4)<h(20)

B

This is untrue as we can see that the graph reaches its peak at h(12), so it would be symmetric about the line t=12, not t=10.

C

This is untrue as for all values of t less than 24, the height above the ground, h(t), is greater than zero.

D

This is true because as we can see from the table, when t values are equal distances from 12 (eg. 8 and 16), their h(t) values are the same.

6 0
3 years ago
What expression is equivalent to 13-(-21)?
Naddik [55]

Answer:

34

Step-by-step explanation:

13-(-21) = 13 + 21 = 34

5 0
4 years ago
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