I took notes and went back through the lesson but I can't get it. Help, please!!!

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

▪Picture 1. x=28

$(x)/(42) = (10 + x)/(57) \n 42(10 + x) = 57x \n 420 + 42x = 57x \n ( \: \: \: \: \: \: \: \: \: \: \: - 42x = - 42x)/( (420)/(15) = (15x)/(15) ) \n \n 28 = x$

▪Picture 2. I don't know what in trying to solve.

▪Picture 3.

•ABC = 50

•DEF = 95

•GHI = 65

•JKL = 55

▪Picture 4. I dont know how to do that

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Verify the identity
Cos^2x-Sin^2x=1-2sin^2x

Answers

$cos^2x-sin^2x=1-2sin^2x\n\n\nR=1-2sin^2x=cos^2x+sin^2x-2sin^2x=cos^2x-sin^2x=L\n\n\n\n\nsin^2x+cos^2x=1$

What is the correct classsification of 23x+16
monomial
binomial
trinomial

Answers

mono=one
bi=two
tri=three

it tells how many terms it has when fully combined
we can not tell from x+2x+3-1 if it is a whatnomial
we must combine the x's and numbers to get 3x+2
we see it has 2 terms so bi=2 so binomiall

23x+16 is combined
2 terms
binomial

23x + 16 is a binomial.

Jerry had $1,018.00 in savings. Last week he spent $84.00 on a desk and $372.00 on a computer from his savings. This week at a part time job sacking groceries Jerry earned $88.00 and put $44.00 of it back into savings. How much more money does Jerry need to put into savings to be back to the original balance of $1,018.00?

Answers

1018-606=412. Hope it helps

An athletics track has a circular shape and its diameter measures 80 m. An athlete training on this track wants to run 10 km daily. Determine the minimum number of complete turns that it should take this track every day

Answers

Answer:

Step-by-step explanation:

First, we need to find the length of the circular track,

area of circle = $\pi d$

in this case,

$\pi d=80\pi$ meters

10km = 10000 meters

he needs to run $(10000)/(80\pi ) = 392.6\n$ times to complete his goal.

I just need the answer for number 15 please

Answers

Answer:

Step-by-step explanation:

Which statement holds true for absolute value functions?A) The absolute value determines the direction in which the graph opens.
B) The coefficient determines the line along which the graph is symmetrical.
C) The distance between the left and the right arm is based on the coordinates of the vertex.
D) The vertex coordinates and the absolute value determine the region of the graph on the plane.

Answers

The answer is C. ) The distance between the left and the right arm is based on the coordinates of the vertex.