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3 years ago

What is the slope of the line?

Mathematics

1 answer:

lora16 [44]3 years ago

3 0

Answer:

slope = 1

Step-by-step explanation:

(3,0) ; (0, -3)

$slope=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\=\frac{-3-0}{0-3}\\\\=\frac{-3}{-3}\\\\=1$

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A farmer has a piece of land with an area of 4 square yards. If a cow can graze grass at a rate of 2 square feet per hour, how l

Lunna [17]

Answer:

2 hours

Step-by-step explanation:

4 square yards to feet: 4*3 = 12ft

3 cows grazing grass at 2 ft per hour: 2*2 = 6 square ft per hour

Time taken: 12ft/6ft per hour = 2 hours

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1 year ago

One cooy machine can run off copies in 198 minutes. A newer machine can do the same job in 126 minutes. How long does it take th

yanalaym [24]

This depends on the necessary number of copies.

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3 years ago

Factor 2x 2 - 10x + 8 completely.

murzikaleks [220]

Answer:

2(x-1)(x-4)

Step-by-step explanation:

Begin by dividing each term by 2 and pulling the 2 to the front.

$2x^2-10x+8 = 2(x^2-5x+4)$

This is a trinomial. Trinomials are three term algebraic expressions typically featuring variables to exponent powers. To break these trinomials down we factor them using the diamond method or GCF. The diamond method states that for a trinomial $ax^2+bx+c$ multiply a*c then find two numbers which multiply to this number and add to b. When you find those numbers, write them as $(x-/+ number)(x-/+number)$ .

$x^2-5x+4$

a=1, c=4

ac=4 and add to b=-5 which -1 and -4 satisfy

The factored form is 2(x-1)(x-4).

6 0

3 years ago

Solve for X<br><br> I really need some help on this :(

777dan777 [17]

Step-by-step explanation:

By Geometric mean property:

${x} = \sqrt{12 \times 27} \\ = \sqrt{4 \times 3 \times {3}^{3} } \\ = \sqrt{ {2}^{2} \times {3}^{4} } \\ = 2 \times {3}^{2} \\ = 2 \times 9 \\ = 18 \\ \\ \huge \red { \boxed{\therefore \: x = 18}}$

6 0

3 years ago

Sarah, amy and liam stand on some weighing scales two at a time.here are the measurements:sarah and amy 70kgsarah and liam 80kgl

OLga [1]

A+s=70, s+l=80, l+a=80

from the first s=70-a which makes the second:

70-a+l=80

-a+l=10

a=l-10 which makes the third:

l+l-10=80

2l-10=80

2l=90

l=45

So Liam weighs 45 kg.

5 0

3 years ago