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3 years ago

PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

Mathematics

2 answers:

Andrej [43]3 years ago

8 0

Answer:

one real solution

Step-by-step explanation:

We can use the discriminant to find the types of solutions

b^2 -4ac where ax^2 +bx+c=0

Since

x^2 -8x+16 =0

we know a=1 b=-8 and c=16

(-8)^2 - 4(1)(16)

64 -64 = 0

If the discriminant > 0 we have two real solutions

If the discriminant = 0 we have 1 real solutions

If the discriminant < 0 we have two complex solutions

Since it equals zero, we have one real solution

Firlakuza [10]3 years ago

4 0

Answer:

One real solution because the answer is $(x-4)^{2}$

Step-by-step explanation:

$x^{2} -8x+16=\\(x-4)(x-4)$

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Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre

Contact [7]

Answer:

$\dfrac{z-y}{a+b}$

Step-by-step explanation:

Given expression:

$\dfrac{z^2-y^2}{a^2-b^2}\div \dfrac{z+y}{a-b}$

Substitute

$a^2-b^2=(a-b)(a+b)\\ \\z^2-y^2=(z-y)(z+y)$

into the expression:

$\dfrac{(z-y)(z+y)}{(a-b)(a+b)}\div \dfrac{z+y}{a-b}\\ \\ \\=\dfrac{(z-y)(z+y)}{(a-b)(a+b)}\times \dfrac{a-b}{z+y}\\ \\ \\=\dfrac{z-y}{a+b}$

4 0

4 years ago

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Question 2

notka56 [123]

60° bc 25+35=60, 180-60=20, 180-20=60, 60+60+x=180; x=60

6 0

3 years ago

Read 2 more answers

WORTH 20 POINTS!!!!!

garik1379 [7]

Answer:

circumference = 43.98

Step-by-step explanation:

C=2πr=2·π·7≈43.9823

Brainliest?

5 0

3 years ago

In a triangle shown, which shows the correct order of the side lengths from smallest to largest.

Vera_Pavlovna [14]

Answer:

Not sure if there are options, but the order of side lengths from smallest to largest is <u>j, k, l</u>

Step-by-step explanation:

This is a bad explanation (sorry):

Side length order will be the same order of angle orders. By that, I mean the since angle C has the smallest angle, the side length across from it will also be the smallest. Since angle B is the biggest angle, side L will be the biggest length. This leaves angle A (and side k) in the middle.

5 0

3 years ago

What is -6 divided by 3/7x

Sphinxa [80]

Step-by-step explanation:

$- 6 \div \frac{3}{7x} \\ \\ = - 6 \times \frac{7x}{3} \\ \\ = - 2 \times 7x \\ \\ = - 14x$

8 0

3 years ago