3 years ago

Please help me answer these questions asap!!

Mathematics

1 answer:

vekshin13 years ago

8 0

D= y-y1=m(x-x1)
C
B
A

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1) The lowest minimum temperature is -6 degrees Celsius.

2) The point for R is (0,-3)

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Which of the following is true about a line? It has one endpoint. It has two endpoints. It has two dimensions. It has one dimens

34kurt

It has one dimension

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3 years ago

The computers of six faculty members in a certain department are to be replaced. Two of the faculty members have selected laptop

Nadusha1986 [10]

Answer:

The answer is 0.067.

Step-by-step explanation:

Let the entire sample size be = s

Now there are 2 laptops in sample size, hence these can be chosen in one way only.

The required probability that both selected setups are for laptop computers can be found as:

$p(two laptops)=\frac{s(two laptops)}{s}$

= $\frac{1}{15}$ or 0.067.

So, the probability is 0.067.

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3 years ago

2r(2.59 + 10) - 3(r + 4) + s(r - 1)?<br> equivalent?

Bumek [7]

Answer:

2.30 is going to be your anwer

Step-by-step explanation:

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3 years ago

In parallelogram ABCD, diagonals AC and BD intersect at point E, BE =2x^2-3x, and DE=x^2+10. What is BD? Enter your answer in th

dexar [7]

Answer:

Step-by-step explanation:

In parallelogram ABCD, diagonals AC and BD intersect at point E

E is the midpoint of BD

So BE = DE

Given: BE =2x^2-3x, and DE=x^2+10

BE = DE

$2x^2-3x = x^2+10$ (solve for x)

Subtract x^2 and 10 on both sides

$2x^2-3x- x^2-10=0$

$x^2-3x-10=0$

Factor x^2-3x-10

(x-5)(x+2) = 0

x-5 =0 so x=5

x+2=0 so x=-2

Length x cannot be negative so we ignore x=-2

Lets plug in 5 for x and find out BE and DE

BE = $2x^2-3x= 2(5)^2-3(5)= 50-15= 35$

DE = $x^2+10= (5)^2+10=35$

BD = BE + DE= 35+35 = 70

So BD = 70

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3 years ago