MATHEMATICS MIDDLE SCHOOL

High temperatures were recorded for 30 consecutive days:50, 45, 49, 50, 43, 49, 50, 49, 45, 49, 47, 47, 44, 51, 51, 44, 47, 46, 50, 44, 51, 49, 43, 43, 49, 45, 46, 45, 51, 46.

What is the range for the data set shown?

Answers

Answer 1
Answer: The range of the data set is: 51 - 43 = 8
Answer 2
Answer:

Answer:

8

Step-by-step explanation:

The highest number in the set is 51 and the lowest number is 43. 51-43=8

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Curtis wants to build a model of a 180 meter tall building. He will be using a scale of 1.5 centimeters = 3.5 meters. How tall will the model be? Round your answer to the nearest tenth.
What is the slope of the graph of 2x-6y=9 A. -3 B. 3 C. 1/3 D. -1/3

Uhhhhmm...Help please? ;w;

Answers

Answer:

the answer is c

Step-by-step explanation:

all you do is divide the top by the bottom

Answer:

The answer is C.

Step-by-step explanation:

If you use a fraction calculator, it will tell you the decimal for the fraction.

HOPE THIS HELPS :)

From a committee of 6 girls and 4 boys,a name is selected.then another name is selected. What is the probability that both people drawn will be girls

Answers

Total: 10 P = 4/10 P = 2/5 The probability is 2/5

Which expression represents the area of the triangle drawn below?The answer choices are in the photo.. PLEASE HELP!

Answers

Which expression represents the area of the triangle drawn below?

Base of the triangle=4x+2

Height of the triangle=2x+1

Area of triangle=(1)/(2)*b*h

Area=(1)/(2)*(4x+2)(2x+1)

Simplifying 4x+2 we get, 2(2x+1)

So, we have, Area=(1)/(2)*2(2x+1)(2x+1)

Area=(1)/(1)*1(2x+1)(2x+1)

=(2x+1)(2x+1)

FOILing the two we get, 2x*2x +2x*1 +1*2x+1*1

(2x+1)(2x+1)=4x²+2x+2x+1

Area=4x²+4x+1

So, Area of the triangle=4x²+4x+1

Answer:Option C

Answer:

It is C

Step-by-step explanation:

I just took the same quiz. I saw that this was the answer.

Hope this helps!

Sumalee won 40 super bouncy balls playing horseshoes at her schools game last night. Later, she gave two to each of her friends. She only has 8 remaining. How many friends does she have?

Answers

Before jumping into doing this problem, it is important to look at all the information's that have been made available in the question. Based on those given conditions the answer to the problem can be easily deduced.
Let us assume the number of friends Sumalee has = x
Then
2x + 8 = 40
2x = 40 -8
2x = 32
x = 32/2
x = 16
So Sumalee has 16 friends. There are numerous ways to get to the answer that is required to be found. This is the easiest and the shortest method. Hope i helped you.
To find this we are first going to SUBTRACT to see how many balls she gave ALL her friends in total:- 

40 - 8 = 32

Now we will divide to see how many friends she has. 

32 ÷ 2 = 16

Check your work:-

16 × 2 = 32

So, she has 16 Friends.

Hope i helped ya!!!!!!!!!!!!!

Triangle MNO is similar to triangle MꞌNꞌOꞌ. Segment MN is 2 units and segment MꞌNꞌ is 8 units. Which scale factor was used to dilate triangle MNO to form triangle MꞌNꞌOꞌ?

Answers

In getting the scale factor, use the formula:
Scale factor = big / small
Scale factor = 8 / 2
Scale factor = 4 units

My answer is the same as the one above.

HELLLP
Simplify the following expression.

Answers

exponential laws

x^-m=1/(x^m)
and (x^m)(x^n)=x^(m+n)

so

(3^-4)(3^2)=
3^(-4+2)=
3^-2=
1/(3^2)=
1/9

the answer is A
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One hundred and fifty people were asked whether they liked to see comedies or dramas and whether or not they buy popcorn for the movie. Out of 90 people that liked comedies, 75 said they buy popcorn. There were 40 people who said they do not buy popcorn. Recreate the two-way table below on your own paper to summarize the data. Then answer the question below.How many people like to see dramas but do not buy popcorn?A. 150 peopleB. 15 peopleC. 25 peopleD. 75 people
Find the sum of the arithmetic sequence. 3, 5, 7, 9, ..., 21
A city has two water towers. One tower holds 7.35 x 105 gallons of water and the other tower holds 9.78 x 105 gallons of water. What is the combined water capacity of the two towers?A) 1.713 x 106 B) 1.713 x 105 C) 1.713 x 104 D) 17.13 x 106