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N76 [4]
2 years ago
10

Help hep help help math math

Mathematics
1 answer:
irakobra [83]2 years ago
4 0

Answer:

-2

Step-by-step explanation:

the input, or domain is always replacing x

y=-2x+6

y=-2(4)+6

y=-8+6

y=-2

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Cound someone please help me on this, I'm stuck. ​
Katyanochek1 [597]

Negative exponents work like this:

a^{-b}=\dfrac{1}{a^b}

So, in order to evaluate a negative exponent, you simply have to invert the base, and then raise to the positive equivalent of the exponent.

As an example, here are the first three exercises:

8^{-3}=\dfrac{1}{8^3}=\dfrac{1}{512}

(-4)^{-5}=\dfrac{1}{(-4)^5}=-\dfrac{1}{1024}

2k^{-4}=\dfrac{2}{k^4}

You can work out the rest applying this logic.

5 0
3 years ago
Find the surface area of the composite figure.
WINSTONCH [101]

Answer:

382 cm²

Step-by-step explanation:

Front face + Back face:

A = 2(a + b)h/2

A = 2(14 cm + 8 cm)(7 cm)/2

A = 154 cm²

Left face:

A = 7 cm × 6 cm = 42 cm²

Right face:

A = 9 cm × 6 cm = 54 cm²

Bottom face:

A = 14 cm × 6 cm = 84 cm²

Top face:

A = 6 cm × 8 cm = 48 cm²

Total surface area =

= (154 + 42 + 54 + 84 + 40) cm²

= 382 cm²

3 0
10 months ago
Seven more than the product of a number and <br> 8<br> is equal to <br> 5
yuradex [85]
8x + 7 = 5

A "product" is the result of a multiplication operation.  So the product of a number, ( which we will call x,) and 8 would be 8x. (Or 8*"x" number) 7 more than that product would be 8x + 7 = 5

Hope that this helps!
8 0
3 years ago
Translations, rotations, and reflections are rigid transformations that preserve side lengths and angle measurements. Find and r
dolphi86 [110]

Answer: hmmm we might need more info my friend

Step-by-step explanation:

There is no series that i can see accept bad grammer

6 0
3 years ago
What do both Christians and Muslims believe the Almighty gave people? Why?​
sammy [17]

Answer brother this not maths question

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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