Which of the following triangles are right triangles? Select all that apply.

Mathematics

1 answer:

Agata [3.3K]2 years ago

6 0

So there is a possibility I read it wrong, or you typed it wrong. but from what I see, there are NO right triangles.

Step-by-step explanation:

a right triangle has a 90 degree angle. none of these have one.

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Find the remainder when (x3 – 2) is divided by (x – 1). what is the remainder?

KengaRu [80]

By remainder theorem:

f(x) = x³ - 2

factor, x - 1 = 0

x = 1,

Remainder = f(1)

f(x) = x³ - 2

f(1) = 1³ - 2 = 1 - 2 = -1.

Hence remainder is = -1.

5 0

3 years ago

Read 2 more answers

Let g(x) = 2x and h(x)= x^2 -4. find (g o h)(0)

finlep [7]

The answer is -8

====================================================

Explanation:

There are two ways to get this answer

Method 1 will have us plug x = 0 into h(x) to get
h(x) = x^2 - 4
h(0) = 0^2 - 4
h(0) = 0 - 4
h(0) = -4
Then this output is plugged into g(x) to get
g(x) = 2x
g(-4) = 2*(-4)
g(-4) = -8 which is the answer
This works because (g o h)(0) is the same as g(h(0)). Note how h(0) is replaced with -4
So effectively g(h(0)) = -8 which is the same as (g o h)(0) = -8

-----------------------

The second method involves a bit algebra first
Start with the outer function g(x). Then replace every x with h(x). On the right side, we will replace h(x) with x^2-4 because h(x) = x^2-4

g(x) = 2x
g(x) = 2( x )
g(h(x)) = 2( h(x) ) ... replace every x with h(x)
g(h(x)) = 2( x^2-4 ) ... replace h(x) on the right side with x^2-4
g(h(x)) = 2x^2-8
(g o h)(x) = 2x^2-8

Now plug in x = 0
(g o h)(x) = 2x^2-8
(g o h)(0) = 2(0)^2-8
(g o h)(0) = 2(0)-8
(g o h)(0) = 0-8
(g o h)(0) = -8

Regardless of which method you use, the answer is -8

5 0

3 years ago

Which of the following values represent a meaningful difference between two populations? Select all that apply.

Lina20 [59]

Answer: I got you if its not to late the answer is 2,3

Step-by-step explanation

anything above 2 is meaningful so first you would subtract 21.9 28.1 to get 3.7 its above 2 so that's one do the same for the rest anything above 2 is your answer or right at two really hope this helps

6 0

3 years ago

Which strategy would you use to divide 36÷6?explain why you chose that strategy.

jolli1 [7]

36 divided by 6 is like sharing 36 orranges among 6 people
a a a a a a|---------------------------1st Person
a a a a a a|---------------------------2nd Person
a a a a a a|---------------------------3rd Person
a a a a a a|---------------------------4th Person
a a a a a a|---------------------------5th Person
a a a a a a|---------------------------6th Person

Each person receives 6 oranges evenly so 36/6 = 6
I used this strategy because it is the easiest to understand

4 0

3 years ago

Read 2 more answers

Here is the histogram of a data distribution. All class widths are 1.

stich3 [128]

The median of the data is 5 if the all class widths are 1, option (C) is correct.

<h3>What is the median?</h3>

A median is a middle number in a series of numbers that have been arranged to lift, and it might be more informative of the set of data than the average. When there are extremes in the sequences that might affect the average of the numbers, the median is sometimes employed instead of the mean.

In the histogram, 15 data values are given:

1, 2, 2, 3, 3, 3, 4, 5, 6, 6, 7, 7, 7, 8, 9

The mid-value is 5 which is on the 8th place

Thus, the median of the data is 5 if the all class widths are 1, option (C) is correct.

Learn more about the median here:

brainly.com/question/21396105

#SPJ1

8 0

2 years ago