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3 years ago

What is the equation of the line that has a slope of 2 and passes through the point (2,9)?

Mathematics

1 answer:

jenyasd209 [6]3 years ago

8 0

Answer:

Step-by-step explanation:

use the formula for point slope form, since all of your choices are in that form : y-y1=m(x-x1) (m is the slope)

we're given that m=2 and the point is (2,9)

Substitute into the equation

y-9=2(x-2)

That means that the answer is D

Hope this helps!

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The sum of two polynomials is 8d5 – 3c3d2 + 5c2d3 – 4cd4 + 9. If one addend is 2d5 – c3d2 + 8cd4 + 1, what is the other addend?

MatroZZZ [7]

Answer:

a. $x = 6d^5 - 2c^3d^2 + 5c^2d^3 - 12cd^4 + 8$

Step-by-step explanation:

Given that

$8d^5 + 3c^3d62 + 5c^2d^3 - 4cd^4 + 9$

Now

if one is added i.e.

$2d^5 - c^3d^2 + 8cd^4 + 1$

Now let us assume the other polynomial be x

So,

$8d^5 + 3c^3d62 + 5c^2d^3 - 4cd^4 + 9 = x + (2d^5 - c^3d^2 + 8cd^4 + 1)\\\\x = 8d^5 + 3c^3d62 + 5c^2d^3 - 4cd^4 + 9 - (2d^5 - c^3d^2 + 8cd^4 + 1)\\\\$

$x = (8d^5 - 2d^5) + (-3c^3d^2 + c^3d^2) + 5c^2d^3+ (-4cd^4-8cd^4) + (9-1)\\\\x = 6d^5 - 2c^3d^2 + 5c^2d^3 - 12cd^4 + 8$

8 0

3 years ago

Read 2 more answers

3/7=8/x solve the proportion

Anna35 [415]

X=3/56 Hope My Answer Helps You (:

5 0

3 years ago

Read 2 more answers

Make z the subject 9d= 6z - 5d

yarga [219]

Answer:

$z=2\frac{1}{3}d$

Step-by-step explanation:

$9d=6z-5d$

$6z=9d+5d$

$6z=14d$ (combine like terms)

$z=2\frac{1}{3}d$

Hope this helps :)

4 0

3 years ago

A research company surveys 8,000 people. The company expects 6,000 people to respond favorably. If there is a percent error of 2

Aliun [14]

Answer:

400

Step-by-step explanation:

6/8 = 0.75 or 75% expected to respond favorably.

Margin of error 2.5%:

Lower bound: 0.75 - .025 = 0.725

Upper bound: 0.75 + .025 = 0.775

Range:

Lower bound: 8000 * 0.725 = 5800

Upper bound: 8000 * 0.775 = 6200

6200 - 5800 = 400

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2 years ago

What measurement is equal to 6 kilograms

natima [27]

Answer:

in grams 6 kilograms is equal to 6000 grams or 13.2276 pounds

multiply 6 by each number don't forget to do the zero's.

4 0

3 years ago