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Snezhnost [94]
3 years ago
5

Is (7, 9) a solution to the inequality y>2x+1?​

Mathematics
2 answers:
OLEGan [10]3 years ago
7 0
No and here’s why

you input the number into your inequality

9>2(7)+1

when you simplify that you get

9>15

and 9 is NOT greater than 15 so no it is not a solution to the inequality
Juli2301 [7.4K]3 years ago
6 0

Answer:

On my calculator, it says “nothing further can be done” meaning nothing else can prove the inequality.

Even if you graph it, the solution wouldn’t be (7,9)

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Select the correct answer.
Taya2010 [7]
The answer for this is c
8 0
3 years ago
Given that (-9,4) is on the graph of f(x), find the corresponding point for the function 4f(x).
Kryger [21]

Answer:

The corresponding point would be (-36, 16)

Step-by-step explanation:

To find this point, we simply need to multiply both points by 4.

-9 * 4 = -36

4 * 4 = 16

5 0
3 years ago
Solve - pv + 40 &lt; 65 for v<br> solve 7w - 3r = 15 for r
Katarina [22]

Answer:

v > -25/p

r = -5 +7/3 w

Step-by-step explanation:

- pv + 40 < 65

Subtract 40 from each side

- pv + 40-40 < 65-40

-pv < 25

Divide each side by -p  (remember to flip the inequality since we are dividing by a negative)

-pv/-p > 25/-p

v > -25/p


7w - 3r = 15

Subtract 7w from each side

7w-7w - 3r = 15-7w

-3r = 15-7w

Divide by -3

-3r/-3 = (15-7w)/-3

r = -5 +7/3 w

8 0
4 years ago
Helpppppp pleaseeee number 8,9 and the last one
garik1379 [7]
8 is:
a)2x+3
b)7x^2
c)3x^2+2x+1
d)x^2+2x+7
e)x^2+2x+3
f)7x^2+2x+1
g)3x
h)x^2+3x
9 is:
a)5x
b)4x+9
c)4x+2
d)4x-2
3 0
3 years ago
Read 2 more answers
Fill in the missing words
exis [7]

Answer:

0.09 is the same as 9 hundredths

0.9 is the same as 9 tenths

0.009 is the same as 9 thousands

Step-by-step explanation:

4 0
3 years ago
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