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Andrew [12]
3 years ago
12

Rectangle a measures 12 cm by 3cm . Rectangle b is a scaled copy of rectangle a . Select all of the measurement pairs that could

be the dimensions of rectangle b

Mathematics
1 answer:
Anni [7]3 years ago
7 0
Answers: a. ,d. , e.
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Mark is 11 years older than his sister. in 8 years he will be twice as old as she will be then.How old are they now
earnstyle [38]
X=Marks sister's age
x+11= Marks age
x+11 +8 = 2x+8
x+19=2x +8
x+19-x=2x-x +8
19-8=x+8-8
11=x Marks sisters age in 8 years
11-8= 3 Marks sisters age now
x+11=22 Marks age in 8 years
22-8= 14 Marks age now

6 0
3 years ago
Let V be the volume of the pyramid of height 11 whose base is a square of side length 6. Find a formula for the area A of the ho
Rainbow [258]

Answer:

Base area = 36

Volume of the pyramid = 132

Step-by-step explanation:

Volume of a pyramid = Base Area × Height/3

Base area = Length × Length (since base of the pyramid is a square)

Given the side length of the square = 6

Base area = 6×6

Base area = 36

Given height of pyramid =11

Volume of the pyramid = 36×11/3

Volume of the pyramid = 12×11

Volume of the pyramid = 132

7 0
3 years ago
Which of these can help you become a better test-taker?
Assoli18 [71]
Personally I would say C because when you take good notes you can go over what you don’t remember. You can also use your notes as a study guide.
5 0
3 years ago
Mahnoor randomly selects times to walk into a local restaurant and observe the type of music being played. She found that the re
max2010maxim [7]

Answer:

country = 0.31

rock and roll =0.47

Blues = 0.22

Step-by-step explanation:

country = 11

Rock and roll= 17

blues = 8

Total = 36

the probabilities by dividing the frequencies by the total. ( round to the nearest hundredth.)

11/36 = country

17/36 = rock and roll

8/36 = blues

Divide

country = 0.31

rock and roll =0.47

Blues = 0.22

pls mark brainliest

8 0
3 years ago
Help meeeeeeeeeeeeeeee
Roman55 [17]

Answer:

a

Step-by-step explanation:

I already answered this, but I guess it didn't go through

4 0
3 years ago
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