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Molodets [167]
3 years ago
8

Are these ratios equivalent? 1 teacher to 9 students 5 teachers to 45 students

Mathematics
1 answer:
IrinaVladis [17]3 years ago
3 0

Answer: yes the ratios 1:9 and 5:45 are equivalent.

Step-by-step explanation:

1:9*5:5=5:45

U got any more math questions that I can answer? I’m really bored and I have to stay busy!

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Answer is c) 2x - 15 because x is Valerie's grade

Allie's grade is <span>taking Valerie's grade, multiply it by 2 and subtract 15</span>
4 0
3 years ago
The dimensions of a room measure 12 ft by 9 ft.In a scale drawing of the room, 1 in = 3ft.What are the dimensions of the room in
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6 0
3 years ago
Which of the following shows the best communicative property of addition ?
kumpel [21]

Answer:

In the given options, 4+5 = 5+4 shows the best commutative property.

Step-by-step explanation:

One of the properties that can be applied on numbers is commutative property. Commutative property states that the order of the numbers on which any operation is being performed, can be swapped and the answer won't change.

Commutative property can be applied on addition, subtraction and multiplication.

<u>Commutative property of Addition:</u>

Commutative property of addition states that changing the order of adding two numbers does not change the result i.e. a+b = b+a

In the given options, 4+5 = 5+4 shows the best commutative property.

3 0
3 years ago
How do you solve this? and please walk me though it! plz!!
Sidana [21]
Every triangles 3 angles will always add up to 180 degrees 

The reason this is true in your problem is because of the corresponding angles and supplementary angles.

Hope this helps 
4 0
3 years ago
Mika has tent that is 7 feet wide by 10 feet long Mika wants to buy a plastic tarp to go under the tent the traps are sold for $
postnew [5]

Answer:

$350

Step-by-step explanation:

7*10=70

Multiply by cost

70*5=350

6 0
3 years ago
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