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Rashid [163]
2 years ago
6

(r+2)(r-7)+2r+64 Solve by factoring.

Mathematics
1 answer:
NeTakaya2 years ago
4 0

(r + 2)(r - 7) + 2r + 64 =

{r}^{2}   - 5r - 14 + 2r + 64 =

{r}^{2}  - 5r + 2r + 64 - 14 =

Collect like terms

{r}^{2}  - 3r + 50=

no \: solution

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Yanka [14]
First we do brackets
(8900)-(1x89)
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8900-89
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8 0
3 years ago
The cost of 15 oranges is $1 how much does 5 dozen oranges cost?
Levart [38]

Answer:

0.25 cents

Hope this helps you! Have a great day!

6 0
4 years ago
Consider the first 2 terms of the sequence -6, 18,...
____ [38]

Answer:

arithmetic sequence: 24, 42, 66, 90, 114; y = 24x - 30

geometric sequence: -54, 162, -486, 1458, -4374; y = -6(-3)^(x - 1)

Step-by-step explanation:

Arithmetic sequence:

-6, 18, ...

18 - (-6) = 24

18 + 24 = 42

42 + 24 = 66

66 + 24 = 90

90 + 24 = 114

y = -6 + 24(x - 1)

y = -6 + 24x - 24

y = 24x - 30

Geometric sequence:

-6, 18, ...

18/(-6) = -3

18 * (-3) = -54

-54 * (-3) = 162

162 * (-3) = -486

-486 * (-3) = 1458

1458 * (-3) = -4374

y = -6(-3)^(x - 1)

5 0
3 years ago
6 to the 5 power times 6 to the negative 2 power= ?
guapka [62]
The answer the the question Is 5
8 0
3 years ago
Find the y intercept.
vovangra [49]

Answer: Table= 4

Graph= 15

Step-by-step explanation:

If you look at the table it will interest y at 4 because x is zero there. And in the graph you can see that the line will interest the y axis at 15.

7 0
3 years ago
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