MATHEMATICS MIDDLE SCHOOL

Alice wants to put wall-to-wall carpeting in a small room with thefloor plan shown.a. Alice says she can find the area of the room by dividing thefloor plan into two trapezoids. Show how she can divide thefloor plan. Then find the area using her method.7.5 ft5 ft a7.5 ft10 ft15 ft
Alice wants to put wall-to-wall carpeting in a small room - 1

Answers

Answer 1
Answer: 10+15+10+15
10x15 area

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harrison is playing a board game that has a path of 100 space. after his first turn,he is 1/5 of the way along the spaces. on his second turn, hemoves1/4 fewer spaces than he moved on his first turn. on his third turn, he moves 1 1/4 times as many spaces than he moved on his first turn. what space is he on after three turns.
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Which function represents g(x), a reflection of f(x) = (3)x across the y-axis?g(x) = 2(3)x
g(x) = −(3)x
g(x) = (3)−x
g(x) = 2(3)−

Answers

Answer: g(x)=(3)^(-x)

Step-by-step explanation:

We know that if a figure is reflected across y axis then its y coordinate remains same but the x coordinate changes its polarity.

i.e. the function f(x) will become f(-x) .

Now, the given function :f(x)=(3)^x

Then , after reflection across y axis the new function will become:

g(x)=f(-x)=(3)^(-x)

Anthony had $280.  Johnnie had $420.  What is the ratio of Anthony's money to Johnnie's money?

Answers

Do you know how to use a ratio table??

its pretty much like simplifying fractions:

so 280:420, and then we want to divide both sides by 280, resulting in a 1:1.5 ratio. 
your final answer is...

1:1.5 (or one to one and a half ratio)
2:3  / 2
1:1.5 is the answer

What does how many mean a math problem is it división, multiply, or subtract, add

Answers

Mean is a problem of addition and division.

What is a mean?

It is the average value of the set given.

It is calculated as:

Mean = Sum of all the values of the set given / Number of values in the set

We have,

We can consider the following set of numbers.

= 1, 2, 3, 4, 5

The mean of 1, 2, 3, 4, 5.

= (1 + 2 + 3 + 4 + 5) / 5

= 15/5

= 3

We see that,

While calculating the mean we add all the given values and divide by the number of values added.

Thus,

Mean is a problem of addition and division.

Learn more about mean here:

brainly.com/question/23263573

#SPJ2
Mean=average So add all numbers, then divide by however many numbers there are

A quadrilateral has angles that measure 87° 69° in 104° what is the measurement of the fourth angle

Answers

A quadrilateral has angles that add up to 360° so x is the fourth angle in 87+69+104+x=360
260+x=360
x=100° is the fourth angle
The sum of a quadrilaterals angles is 360 degrees. You have three of the angles so just need to add those and subtract from 360. Answer is 360-260=100 degrees

The watering can that Carlos uses in his vegetable garden holds 5 of a certain unit of liquid volume. When full, how much water is in the watering can?

Answers

An average watering can is 5 liters  so 5 liters

What is the missing reason in step 5A. Linear pair postulate

B. Givin

C. Definition of complementary angles

D. Congruent complements theorem

Answers

Answer:

(A) Linear pair postulate

Step-by-step explanation:

Given: AB intersects DE at point C.

To prove: ∠DCB≅∠ECA

Proof:

Statements                                                                   Reasons

1. AB intersects DE at point C.                                      given

2. ∠DCB and ∠BCE are a linear pair                       Definition of linear pair

3. ∠DCB is supplementary to ∠BCE                        Linear pair postulate

4. ∠BCE and ∠ECA are a linear pair                       Definition of linear pair

5. ∠BCE is supplementary to ∠ECA                       Linear pair postulate

Thus, from statement 2 and 5, we have

∠DCB+∠BCE=180° and ∠BCE+∠ECA=180°

⇒∠DCB+∠BCE=∠BCE+∠ECA

⇒∠DCB≅∠ECA

Hence proved

thus, option A is correct.
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