A complement of an angle measures 10 degrees more than the measure of the angle. What is the measure of the angle and its complement? Explain your reasoning.

Answers

Answer 1

Answer: compelemttry angles add to 90
angles are x and y
x+y=90

x is 10 more than y
x=10+y
sub

10+y+y-90
10+2y=90
minus 10
2y=80
divide 2
y=40

sub back
x=10+y
x=10+40
x=50

numbers are 40 and 50 degrees

Answer 2

Answer: The angle is 40 degrees and its complement is 50 degrees. Complementary angles add up to 90 degrees. You know the angle is 40 degrees because 40 is the only angle measure that has a complement 10 more than itself.

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What is the area of this triangle? And it's not 60, I already checked. PLEASE EXPLAIN!!!!

Answers

Answer:

A = 4 cm^2

Step-by-step explanation:

The area of a triangle is

A = 1/2 b*h

The base is 4 and the height is 2

A = 1/2 ( 4*2)

A = 1/2*8

A = 4 cm^2

Answer:

Step-by-step explanation:

A = BH/2

or Area = Base multiplied by Hieght divided by 2.

(b)4 x (h)2 = 8

8/2 = 4

Which is a factor of x2 + 8x – 48?

Answers

so x^2+8x-48
it can be written in the form
ax^2+bx+c

so since the 'a' term=1 we want it in form
(x +/- something1 )(x +/- something2 )
so basically, something1 times something 2=c and something 1+something 2=b

c=-48
b=8

factor -48 and fiind what 2 factors add to 8 (obviously one has to be positive and is 8 more than the negative [negative is smaller])
-48=
-1 times 48 no
-2 times 24 no
-3 times 16 no
-4 times 12 yes
-4+12=8

therefor it is
(x-4)(x+12) or (x+12)(x-4)

so the answer would be the one with either (x+12) or (x-4) (since you didn't include answer choices)

(x+12) or (x-4) would be the right choice

this trinomial factored is:
(x + 12)(x - 4)
either of these would be considered a factor.

In the library there are 200 books. 58 of them are non-fiction. What percentage of the books are non-fiction?

Answers

58/200 is 29/100 which is 29%.
29% = Non-Fiction

If r and s can be any integers such that s > 10 and 2r + s = 15, which of the following is the solution set for r ?

Answers

R = -2
2x-2=-4
S = 19
This may be a possible answer

Find the value to of each algebraic expression at the given replacement values.

Answers

Answer:

-1

Step-by-step explanation:

$x + 3xy \n x = 2 \n y = - (1)/(2)$

Substitute thevaluesinto the equation

$2 + 3(2)( - (1)/(2) ) \n 2 + 6( - (1)/(2) ) \n 2 - 3 \n = - 1$

Helppp !!
brainly !!

Answers

Answer:

$\sf\n\textsf{No this is not a function.}$

Explanation:

$\sf\n\textsf{The curve shown in the image is not a function because it fails the vertical line}\n\textsf{test. The vertical line test states that if any vertical line intersects a graph more}\n\textsf{than once, then the graph is not a function.}\n\textsf{In the graph you posted, any vertical line that intersects the curve cuts the curve}\n\textsf{two times.}$

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