Simplify: (9a* - 5a'-1)+7a*

Mathematics

1 answer:

marishachu [46]3 years ago

3 0

Answer:

The answer is -2a because first you multiple the number and eliminate redundant perenthese then last combine like terms and that how you get -2a

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A paperweight is shaped like a triangular pyramid. The base is an equilateral triangle. Find the surface area of the paperweight

stich3 [128]

Answer:

The surface area of the paperweight is $SA=8.3\ in^2$

Step-by-step explanation:

we know that

The surface area of the triangular prism is equal to the area of its triangular base plus the area of its three triangular lateral faces

<em>Find the area of its triangular base</em>

$SA=\frac{1}{2}(2)(1.7)$

$SA=1.7\ in^2$

<em>Find the area of its three triangular lateral faces</em>

$SA=3[\frac{1}{2}(2)(2.2)]$

$SA=6.6\ in^2$

Adds the areas

$SA=1.7+6.6$

$SA=8.3\ in^2$

4 0

4 years ago

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qwelly [4]

Answer:

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Step-by-step explanation:

make an open dot on 3 and make a line going towards the left.

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3 years ago

For which pair A function is the exponential constantly growing at a faster rate than a quadratic over the interval zero less th

VashaNatasha [74]

Answer:

Here is the complete question:

For which pair of functions is the exponential consistently growing at a faster rate than the quadratic over the interval 0<=X<=5.

Answer is C (the third option)

Step-by-step explanation:

Basically in exponential growth a quantity may increase over time. When a quantity increases of decreases by equal or same percent over equal period of times this means that the quantity increases or decreases exponentially. I have attached the image of the correct option.