4 years ago

Please help me I can’t figure them out

Mathematics

1 answer:

OLga [1]4 years ago

8 0

Where is the question

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What is the equation of a line that passes through the points (3, 6) and (8, 4) in slope intercept form?

MrMuchimi

Answer:

$y=-\frac{2}{5}x +8.4$

Step-by-step explanation:

Gradient

$m =\frac{y-y1}{x-x1}$

$m = \frac{6-4}{3-8}$

$m=-\frac{2}{5}$

Equation of a line

$(y-y1)=m(x-x1)\\$

- Sub one set of points into equation

$(y-6)= -\frac{2}{5} (x-6)$

$y=-\frac{2}{5}x +8.4$

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3 years ago

Every possible cross section of a three-dimensional figure is a circle. What is the figure?

dsp73

A cross section is the shape we get when cutting straight through an object. In geometry it is the shape made when a solid is cut through by a plane. cylinder cross section.The cross section of this circular cylinder is a circle.

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3 years ago

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I need to know question 8 I’m confused

marissa [1.9K]

Remark

Let the pigs = p

Let the chickens = c

Givens

30 heads is another way of saying that there were 30 creatures in the barnyard. In addition each chicken has 2 legs and each pig has 4

c + p = 30

2C + 4P = 100 (2) Divide (2) by 2

C + 2P = 50 (3) Subtract (1) from (3)

P = 20

So there were 20 pigs.

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3 years ago

3 - 6k + 9g - 11 + 7g<br>(Distribute it with like terms and stuff)

AURORKA [14]

Answer:

-6k+16g-8

Step-by-step explanation:

simplify

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3 years ago

Sebastian received 200 in holiday presents.He deposited 70% of that money in his bank account. How much did he put his bank acco

VashaNatasha [74]

Answer:

$140 in the bank account

Step-by-step explanation:

0.70 (or 70%) of $200 = 140

70% of 100 = $70

$70 x 2 = $140

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3 years ago