MATHEMATICS COLLEGE

PLEASE HELP (will give brainiest) (please dont steal it would mean Alot)

Answers

Answer 1

Answer:

Answer:

87, if it were 45 degrees, it would be 90, closest to 90 is 87

Answer 2

Answer:

Answer:

87 feet

Step-by-step explanation:

We have an angle that's 44 degrees and we know that Susan is 90 feet from the base of the tree. We need to know the height of the tree, which is the value opposite from the angle we know.

Use tangent to find height.

tan (44) = x / 90 then multiply both sides by 90

x = tan (44) * 90 evaluate tan(44) and substitute into the equation

x = 86.911

round to nearest whole foot: 87 feet

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Two chocolate donuts have about400 calories. How many calories
would you expect to be in
5 chocolate donuts?

Answers

Answer:

1000 calories

Step-by-step explanation:

You can assume that each chocolate donut is 200 calories by doing 400/2, from there you do 200 times 5, which gets you 1000

Answer:

Step-by-step explanat

about 1000 i multipy 200X5

Which EXPRESION has the greatest value when x=3

Answers

What is the options to answer

Answer: 2x^3+5

Step-by-step explanation:

Write down all elements of the set {XER: X3 -x = 0).

Answers

Answer:

The elements of given set are -1, 0 and 1.

Step-by-step explanation:

The given set is

$\{x\in R:x^3-x=0\}$

We need to find all the elements of given set.

The given equation is

$x^3-x=0$ .... (1)

Solve this equation o find the value of x.

Taking out common factors.

$x(x^2-1)=0$

Using zero product property,

$x=0$

$x^2-1=0$

$x^2=1$

$x=\pm 1$

All rational and irrational numbers are real numbers.

On solving equation (1) we get x = -1, 0, 1. All these numbers are real number. So, the elements of given set are -1, 0 and 1. The set is defined as

{ -1, 0, 1}

Therefore, the elements of given set are -1, 0 and 1.

Brainliest if you provide a valid explanation!*IF YOU STEAL POINTS YOU WILL BE REPORTED*

Q: The table shows the weights of apples at a grocery store. If this represents a proportional relationship, what is the weight of 12 apples? Remember to explain your answer :)

Answers

Step 1: So to start us off, because every 5 apples weighs 0.60 kilograms, we're going to divide 0.60 by 5 to get the weight of ONE apple.

0.60 divided by 5= 0.12

Now we know how much a single apple weighs in kilograms and we can move onto the next step.

Step 2: The next step is to times the weight of one apple by 12 because that would give us our answer for the weight in kilograms of 12 apples.

0.12 times 12=1.44

Hopefully, this is correct and helps you! Sorry if I made any errors, it would be best to go back and do the steps yourself just to make sure if that makes you feel any better. Good luck! xxoo

-Sav

Answer:

1.44kg

Step-by-step explanation:

If they are proportional then you can use the unitary method:

If 5 apples=0.6kg then 1 apple=0.12kg as this is 0.6/5 (because you divided the apples by 5 so you have to do the same to the kg)

then you can work out that 12 apples=1.44kg because 0.12*12 is 1.44 and you multiply by 12 as this is what you multiplied the apples by so (becasue they are proportional then you have to do the same to the kg)

hope this helps :)

Write a word problem that could be solved with the equation
0.15x + 200 650