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Nana76 [90]
3 years ago
14

Write an expression that is equivalent to 123x + x + 2x

Mathematics
1 answer:
Svetlanka [38]3 years ago
7 0
This simplified is 126x so that is equivalent to this expression
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Mrs Patterson class room has sixteen empty chairs all the chairs are occupied when every student is present if 2/5 of the studen
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40 students make up her entire class
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On a scale drawing with a scale of 1 cm: 3 m , the height of a tree is 5 cm. How tall is the actual tree?
Neko [114]
In 3 metres there are 300 centimetres. Each centimetre on the scale is 300 centimeters, or a ratio of 1:300. The tree is 5 centimetres on the scale. Each centimeter on the scale is 300 centimetres, therefore 5 centimetres on the scale is 1500 centimetres. 1500 centimetres is equal to 15 metres.
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Read 2 more answers
What is the variable x in 40+10x=5x-30
konstantin123 [22]

40 + 10x = 5x - 30

To begin isolating x, subtract 40 from both sides.

40 + 10x - 40 = 5x - 30 - 40

10x = 5x - 70

Subtract 5x from both sides.

10x - 5x= 5x - 70 - 5x

5x = -70

Finally, divide both sides by 5.

5x/5 = -70/5

x = -14

Answer:

x = -14

4 0
3 years ago
How do you solve this? 2
Oliga [24]
I think that it is -762/(762-721)% or -18.58...% so -18.6%
6 0
3 years ago
The ratio of boys to girls in Ms. Jefferson's class is 3 to 4. There are 16 girls in the
IRISSAK [1]

Answer: 28

Step-by-step explanation:

there are 3 boys for every 4 girls, so 4 times 4 is equal to 16. Now just multiply 3 times 4. 16 + 12 = 28.

4 0
3 years ago
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