3 years ago

What is the slope of the line that contains these points?

Mathematics

1 answer:

Oksi-84 [34.3K]3 years ago

5 0

Answer:

Step-by-step explanation:

working out is in the picture hope it helps

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X^2-xy+3y^2=15 x-y=2

weeeeeb [17]

x^2-xy+3y^2=15 x-y=2

Make the equation X:

x = y + 2

Plug in and Solve:

(y+2)^2 - y(y+2) + 3(y+2)^2 = 15

y = (√46) - 7/3

y = - 7 + (√46)/3

8 0

3 years ago

Help me on this last one

abruzzese [7]

Answer:

The answer is A. $g(x)=4x^2$

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2 years ago

A plane is a flying at an altitude of 23,760 feet. Which expression can be used to find the altitude on miles.

Zina [86]

Answer:

D. 23,760÷5,280 assuming that 5,5,280 is a typo

Step-by-step explanation:

If you divide it will give you the height in miles because there are 5,280 feet in a mile.

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2 years ago

The length of the hypotenuse of a 30°-60°-90° triangle is 30 meters. Find the length of the side opposite the 30° angle

olchik [2.2K]

Adjacent side is 26meters
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3 years ago

Write the equation in it's simplest form or as

allsm [11]

9514 1404 393

Answer:

2∛7

Step-by-step explanation:

Putting the expression in simplest form will factor cubes from under the radical.

$\displaystyle\sqrt[3]{56}=\sqrt[3]{2^3\cdot7}=\boxed{2\sqrt[3]{7}}$

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2 years ago