MATHEMATICS MIDDLE SCHOOL

Determine the measure of the interior angel at vertex A

Answers

Answer 1

Answer:

The total of interior angles of a polygon is found using the formula 180 x (n-2) where n is the number of sides.

The above figure has 7 sides, so the total of the interior angles is: 180 x (7-2) = 180 x 5 = 900 degrees.

Find X:

Total all angles: 2x+4x+4x+4x+4x+2x+10x = 900

30x = 900

X = 900/30

x = 30

Angle A = 2x = 2*30 = 60 degrees

The answer is A.

Answer 2

Answer:

C. 84*

If incorrect, my apologies.

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A race car decelerates from 125m/s to 25m/s in 10 seconds. What is the racecars declaration?

Answers

do u have the equation for deceleration

125-25=100
100 divided by 10 = 10
the race car decelerates by 10m/s

I need help for my Maths Assessment! URGENT!! So, The topic is about Observed, Relative and Expected frequencies. I'm stuck on some of the questions and I don't know what to do!! Please help me!! I have to do the assessment tomorrow! If you answer, I'll pick you as the brainliest and give you a thank you!

Answers

Answer:

5a) The expected frequency for rolling a difference of 1 and 3 is larger than the observed frequency, but the observed frequency for rolling a difference of 2,4 and 5 is larger than the expected frequency

7)Increase the amount of rolls so the percentage of anomalies will be smaller

Step-by-step explanation:

GIMME BRAINLIEST

I am answering because I want that other person to get the brainiest so here is the other answer that is not really an answer.

In general, the y intercept of the function F(x)= a•b^x is the point

Answers

The y intercept of this function is always (0, a).

This is because when we place 0 in for x (which is the only way it'll be on the y-axis, we get 'a' as a result. This is because of the rule that raising anything to the 0th power will result in the number 1 and multiplying anything by 1 gives us the same number. See the work below for the example.

F(x) = a*b^x

F(0) = a*b^0

F(0) = a*1

F(0) = a

And for an example with a random number, we'll use a = 5 and b = 3

F(x) = 5*3^x

F(0) = 5*3^0

F(0) = 5*1

F(0) = 5

No matter what a and b equal, the intercept will be the a value.

David has 5400000 females he destroys 4 of them how many dose he have

Answers

Answer:

sorry no answer of that man

Step-by-step explanation:

i haerd efan seggy has answer

5,399,999 Bc 5400000 - 4 is 5399999

Margie's car can go 32 miles on a gallon of gas, and gas currently costs $4 per gallon. How many miles can Margie drive on $20 worth of gas?

Answers

She can get 5 gallons because you have to do 20÷4 which equals 5! Hope i helped!

5 Beacuse 20÷4 is 5 so she can with five gallones.

A cat spends about 7 out of 10 hours sleeping. About what present of the cats day is spent sleeping

Answers

the cat spends about 70% of its day sleeping but that's a lie not the answer the (fact) not all cats sleep all day. so you know

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The cost of 8 muffins and 2 quarts of milk is $18. The cost of 3 muffins and 1 quart of milke is $7.50. How much does 1 muffin and 1 quart of milk cost?

8% of 44 show work please and an answer ciz i domt understand