MATHEMATICS HIGH SCHOOL

Need help with R3, R4, S5

Answers

Answer 1

Answer:

Answer:

R3 Theorem: If parallel lines are cut by a transversal, then alternate interior angles are congruent.

R4 Theorem: Congruence of segments is reflexive.

S5 ΔABC ≅ ΔCDA

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ANSWER QUICK!!! What is the slope in the graph? * undefined
m = 1
m = 0
m=-1

Answers

Answer:

m=1

Step-by-step explanation:

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1 because there is a point at 1,1 0,0 and -1,-1

Solve the equation. 20 = –d + 16A. 4

B. –10

C. –6

D. –4

Answers

Hello there
The correct answer to this question would be D: negative 4

This is because the negatives from negative 4 and negative d would cancel each other out, to make it a positive 4, resulting in the equation being: 20 = 4 + 16 , which is true

I hope this helped ^^

Which of the following is an extraneous solution of square root -3x-2=x+2?a) x = –6
b) x = –1
c) x = 1
d) x = 6

Answers

Hello,

Answer A (x=-6 is an extraneous solution)

√(-3x-2)=x+2
==>-3x-2>=0
==>x<= -2/3

So -3x-2=(x+2)²
==>-3x-2=x²+4x+4
==>x²+7x+6=0
==> (x=-6) or (x=-1)

if x=-6 then
√(-3*(-6)-2)=√16=4
-6+2=-4
False 4≠-4

if x=-1
√(-3*(-1)-2)=√1=1
-1+2=1
ok..

Answer:

A. x=-6

Step-by-step explanation:

i got it right on edge

Simplify (3n – 2m)2 = ? a. 6n2 – 12mn – 4m2 b. 9n2 – 12mn – 4m2 c. 9n2 12mn 4m2 d. 9n2 – 12mn 4m2

Answers

If you would like to simplify (3n - 2m)^2, you can do this using the following steps:

(3n - 2m)^2 = 3^2 * n^2 - 3 * 2 * 2 * n * m + 2^2 * m^2 = 9n^2 - 12nm + 4m^2

The correct result would be d. 9n^2 - 12nm + 4m^2.

If prices increase at a monthly rate of 1.5% by what percentage do they increase in a year

Answers

The question says that prices increase at a monthly rate of 1.5%.
We know that there are 12 months in a year.
To to find the percentage of yearly increase, we just need to multiply the monthly percentage by the number of months in a year.

1.5% = 0.015

0.015 * 12 = 0.18

0.18 = 18%

Therefore, the prices increase 18% in a year.

If you rent 5 dvds for 5 nights for $5, at this rate how much do you expect to pay for 1 dvd for 1 night?

Answers

The expected value of the payment is $5

What is Proportionality?

When two quantities have some dependence in their values they can be said proportional to each other.

It can be of two types such as direct and indirect.

The direct proportionality means the values of both the quantities are increasing or decreasing at the same time while the indirect proportionality implies value of one quantity is increasing while the other is decreasing.

Given that,

The rent for 5 DVDs for 5 nights is $5.

In order to find the rent for 1 night for 1 DVD, direct and indirect proportion method can be used as follows,

5 DVD for 5 night costs $5.

Then, 5 DVDs for 1 night costs 5 × 5 = $25.

And, 1 DVD for 1 night costs 25/5 = $5.

Hence, the cost of 1 DVD for 1 night is $5.

To know more about proportionality click on,

brainly.com/question/22620356

#SPJ2

20 cents a night because 5 DVDs per night is 1 dollar, and $1/5 DVDs equals 20 cents each, so 1 DVD is 20 cents a night

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