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3 years ago

I NEED HELP!!! Someone please help

Mathematics

1 answer:

Ulleksa [173]3 years ago

6 0

The best thing to do is figure out what we can deduce to isolate what we can't deduce.
The first answer is true because angles 1 and 8 are congruent by the Alternate Exterior Angles Theorem, which states that if two lines are congruent, it's alternate exterior angles are congruent.
The second answer is true by the Same-Side Interior Angles Theorem, which states that angles created by a transversal that are both in the interior of the transversal are congruent.
The third choice is incorrect, and we know this is true because the previous theorem we used (Same Side Interior Angles) is shown again, but with different angles. Therefore, Choice C is incorrect, and therefore your answer.

(As a side note, Choice D is correct, but a short proof must be written to prove this, as it is not defined by a single postulate or theorem).

:)

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Evaluate 2x2y3 when x=2\3 and y=1\2

Evgesh-ka [11]

Answer:

The answer is 4

Step-by-step explanation:

2(2/3)2(1/2)3

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3 years ago

Please Help Me asap or my Mom is gonna beat me !^^ Gotta do 100 assignments by the end of the day!^^))

lyudmila [28]

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Step-by-step explanation:

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2 years ago

Find the scale factor of the smaller figure to the larger figure

guapka [62]

Answer:

#9: 1.2

#10: 1.25

Step-by-step explanation:

To find the scale factor of the smaller figure to the larger figure, we're going to be dividing the measurements of corresponding edges.

$\frac{larger figure}{smaller figure}$

If you wanted to find the scale factor of the larger figure to the smaller figure, you'd do: $\frac{smaller figure}{larger figure}$

Question #9:

Left edges: $\frac{larger figure}{smaller figure}$ ⇒ $\frac{24}{20}$ = 1.2

Bottom edges: $\frac{larger figure}{smaller figure}$ ⇒ $\frac{30}{25}$ = 1.2

(You should get the same number as long as the figures are similar.)

Question #10:

Bottom edges: $\frac{larger figure}{smaller figure}$ ⇒ $\frac{30}{24}$ = 1.25

(There are no corresponding edges with measurements that we can compare.)

~Hope this helps!~

4 0

3 years ago

What does b= in mathematics

ziro4ka [17]

bisector. Base. In geometry, the base of a shape is the side (usually the bottom) that forms a right (90 degree) angle with the height of the object. Biannual.

7 0

3 years ago

A shop has determined that the number of bottles of water they sell on a summer day is a function of the day’s high temperature,

Alik [6]

Answer:

$T=t+94$

Where T is the hight temperature and t is the day

Explanation:

The table shows that every day the High temperature, T (degrees F) increases 1 unit.

Then, this is a linear function with slope = 1ºF / day.

You can use the point-slope equation to determine the function of the high temperature:

Point-slope equation:

$y-y_1=m(x-x_1)$

Choose any point from the table and m = 1. I will use the first point (1,95)

m = 1

x₁ = 1

y₁ = 95

Substitute:

$y-95=1(x-1)\\\\y=x-1+95\\\\y=x+94$

Make the variables y = T, and x = t:

$T=t+94$

4 0

3 years ago