2 years ago

Is (1,3) (2,4) and (-2,1) (-3,0) a parallel line?

Mathematics

1 answer:

GREYUIT [131]2 years ago

5 0

Answer:

yes

Step-by-step explanation:

i graphed it buy i dont know how to screenshot on my computer so i cant post it.

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Determine whether the triangles are congruent by sss sas asa aas or hl

Blababa [14]

AAS.
The vertical angle.
The marked angle.
And the marked side.

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3 years ago

A toy store had 594 games.<br> It sold 62 of these games.<br> How many games are at the store now?

Alex73 [517]

Answer: 532 games

Step-by-step explanation:

Subtract 62 from 594

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3 years ago

JULIE HAS 10 YARDS OF RIBBON. SHE DIVDES THE RIBBON INTO 3 EQUAL PIECES AND USES 2 OF THE PIECES ON GIFTS. HOW MUCH RIBBON DOES

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Answer:

6.66 yards of ribbon.

Step-by-step explanation:

If she has 10 yards of ribbon and divides it equally into three parts, those 3 parts would each be 3.33 yards long or 3 (1/3) yards long.

If she uses two of those parts on gifts, then she would use 3.33 x 2 or 6.66 yards of ribbon.

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3 years ago

Consider the following equation. cos x = x3 (a) Prove that the equation has at least one real root. f(x) = cos x − x3 is continu

skelet666 [1.2K]

Answer:

b. 0.86, 0.87

Step-by-step explanation:

a. Find attached solution to a

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3 years ago

During the grand opening of the T-Shirt Shack at the Madera County Emu Farm, four of the emus broke through the fence and attack

Irina-Kira [14]

Given :

p = 0.68

margin of error, E = 0.1

99% confident interval

alpha, α = 1 - 0.99

= 0.01

$\frac{\alpha }{2}=\frac{0.01}{2} = 0.005$

∴ $z_{\alpha/2}=z_{0.005}=2.5758$ (z-critical value)

Sample size = $z_{\alpha/2} \times \frac{p(1-p)}{E^2}$

$=(2.5758)^2 \times 0.68 \times \frac{(1-0.68)}{0.1^2}$

$= 6.63475 \times 0.68 \times \frac{0.32}{0.01}$

= 144.37

= 145 (rounded off)

Therefore, there are 145 businesses does she need to sample to meet this criteria.

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3 years ago