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Mathematics 13 Online
OpenStudy (anonymous):

In Mr. Sneed's classroom, there are 132 tiles and 11 lights. What is the ratio of lights to tiles in Mr. Sneed's classroom? 12:1 1:11 11:1 1:12

OpenStudy (anonymous):

@sleepyjess

OpenStudy (sleepyjess):

132:11 now simplify

OpenStudy (alexandervonhumboldt2):

12:1

OpenStudy (anonymous):

Not that this has anythign to do with me, but for my own learning purposes how would you simplify that? Same as a fraction?

OpenStudy (alexandervonhumboldt2):

yees

OpenStudy (anonymous):

Okay thanks.

OpenStudy (sleepyjess):

Yes

OpenStudy (alexandervonhumboldt2):

132/11=12 12:1

OpenStudy (anonymous):

but its not 12:1

OpenStudy (alexandervonhumboldt2):

11:132

OpenStudy (alexandervonhumboldt2):

1:12

OpenStudy (anonymous):

thx

OpenStudy (alexandervonhumboldt2):

sorry

OpenStudy (anonymous):

Rachel has 6 pairs of black shoes and 2 pairs of red shoes. What is the ratio of pairs of red shoes to pairs of black shoes? 4:1 1:3 1:4 3:1

OpenStudy (anonymous):

its ok youre smarter than me

OpenStudy (alexandervonhumboldt2):

2:6=1:3

OpenStudy (anonymous):

Blake has a garden in his backyard. He picked 44 tomatoes from 4 tomato plants. What is the ratio of tomato plants to tomatoes picked? 11:1 4:1 1:11 1:4

OpenStudy (alexandervonhumboldt2):

4:44=1:11

OpenStudy (anonymous):

how do you do that

OpenStudy (anonymous):

Shaun collects coins. He has 21 quarters and 28 pennies in a jar. What is the ratio of quarters to pennies in the jar? 4:3 3:4 1:21 21:1

OpenStudy (anonymous):

can you teach me how to do that @AlexandervonHumboldt2

OpenStudy (alexandervonhumboldt2):

ratio of quarters to pennies in the jar whats the number of quaters?

OpenStudy (anonymous):

21

OpenStudy (alexandervonhumboldt2):

quaters =21 pennyes=28 if you read The ration of quaters to pennyes

OpenStudy (alexandervonhumboldt2):

yo will het 21:28=3:4

OpenStudy (anonymous):

Ricardo has a bag of mixed fruit snacks. In the bag, there are 8 cherry fruit snacks and 12 strawberry fruit snacks. What is the ratio of strawberry to cherry? 2:3 8:1 3:2 1:8

OpenStudy (anonymous):

Ratios seems hard but to you its like you do it everyday

OpenStudy (alexandervonhumboldt2):

12:8=3:2

OpenStudy (anonymous):

Winona's grandmother always keeps her refrigerator stocked with sodas. In the refrigerator, there are 27 regular sodas and 15 diet sodas. What is the ratio of diet sodas to regular sodas in the refrigerator? 9:5 1:27 27:1 5:9

OpenStudy (anonymous):

@AlexandervonHumboldt2

OpenStudy (alexandervonhumboldt2):

15:27=5:9

OpenStudy (anonymous):

A fruit basket has 24 apples and 9 bananas in it. What is the ratio of bananas to apples in the fruit basket? 8:3 3:8 1:24 24:1

OpenStudy (alexandervonhumboldt2):

9:24=3:8

OpenStudy (anonymous):

thank you can you help me with something different

OpenStudy (alexandervonhumboldt2):

ok

OpenStudy (anonymous):

Surface Area and Volume

OpenStudy (anonymous):

Is that ok

OpenStudy (alexandervonhumboldt2):

ok

OpenStudy (anonymous):

Craig has a building block in the shape of a rectangular pyramid. A net of which is shown below. Note: The opposite triangles are congruent. Note: Figure is not drawn to scale. If a measures 12 cm, b measures 6 cm, and d measures 13 cm, what is the surface area of the rectangular pyramid? 183 sq cm 516 sq cm 294 sq cm 936 sq cm

OpenStudy (alexandervonhumboldt2):

can you count this? db+a^2+ba

OpenStudy (alexandervonhumboldt2):

13*6+144+6*12=?????

OpenStudy (alexandervonhumboldt2):

294

OpenStudy (anonymous):

294

OpenStudy (anonymous):

@AlexandervonHumboldt2

OpenStudy (anonymous):

Serena is making a model of one of the Egyptian pyramids. The square base has sides that are all 4.4 in. Each of the triangular faces has a base of 4.4 in and a height of 3.8 in. How much paper would it take to cover the entire pyramid? Note: Figure is not drawn to scale. 73.57 sq in 12.6 sq in 82.78 sq in 52.8 sq in

OpenStudy (anonymous):

@sleepyjess

OpenStudy (alexandervonhumboldt2):

well i'm here

OpenStudy (alexandervonhumboldt2):

i dont know

OpenStudy (sleepyjess):

area of a triangle = \(\dfrac{h*b}{2}\)

OpenStudy (sleepyjess):

and obviously area of a square = \(b^2\)

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