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lianna [129]
3 years ago
10

Evaluate the expression for the given variable.​

Mathematics
1 answer:
Reika [66]3 years ago
7 0

Answer:

8

Step-by-step explanation:

Substitute x = 3 into the expression

= \frac{(9-3)^2+4}{5}

= \frac{6^2+4}{5}

= \frac{36+4}{5}

= \frac{40}{5}

= 8

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The graph represents the cost y (in dollars) to open an online gaming account and buy x games. Write an equation in slope-interc
Luba_88 [7]

Answer:

y = 10x + 15

Step-by-step explanation:

you pick two points on the line

I picked (3,45) and (6,75)

you subtract the two x’s and y’s

75 - 45 = 30 (30 is the rise) you go up from 45 to 75

6 - 3 = 3 (you move 3 times to the right to get to the 6) so 3 is the run

slope = rise/run so 30/3 = 10

The y-intercept is the place you start on the graph so that is 15

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3 years ago
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Solve??????????????????
faltersainse [42]

Answer:

for me the answer is letter B.

7 0
2 years ago
What is 5x+1 divided by x^2-9
Andrej [43]
X=2 is the answer hope it helps
6 0
3 years ago
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How can I solve (x-8)^2
shusha [124]

Answer:

x^2-16x+64

Step-by-step explanation:

Simplify= (x-8)(x-8)

Simplified= x^2-8x-8x+64

Combine like terms= x^2-16x+64

Basically whenever the sign is squared on the outside it's the equation times itself. Hope this helps.

7 0
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How do I convert these probs? into base 10 4120_7, A3B_12, WXYZ_36
natali 33 [55]

4120_7 = 4•7³ + 1•7² + 2•7¹ + 0•7⁰

4120_7 = 4•343 + 1•49 + 2•7 + 0•1

4120_7 = 1372 + 49 + 14

4120_7 = 1435

In base 12, we use the digits 0-9 as well as A for 10 and B for 11. So

A3B_12 = 10•12² + 3•12¹ + 11•12⁰

A3B_12 = 10•144 + 3•12 + 11•1

A3B_12 = 1440 + 36 + 11

A3B_12 = 1487

In base 36, we assign values between 10 and 35 to the letters A-Z, so that

WXYZ_36 = 32•36³ + 33•36² + 34•36¹ + 35•36⁰

WXYZ_36 = 32•46656 + 33•1296 + 34•36 + 35•1

WXYZ_36 = 1492992 + 42768 + 1224 + 35

WXYZ_36 = 1537019

7 0
2 years ago
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