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guapka [62]
3 years ago
13

Please I need help with this problem

Mathematics
1 answer:
DochEvi [55]3 years ago
4 0

Answer: shorter: 24 longer: 41

Step-by-step explanation: we need to write an equation. x+(2x-7)=65. We don’t need the parentheses, but I put them so it would make it a bit more clear. Simplify: 3x-7=65. Add 7 to both sides: 3x=72. Divide by three: 72/3=24 Now we know the shorter piece is 24. 24x2-7=48-7=41. We know these are correct because 24+41=65

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What’s the answer to 1.9m + 14 = 2m?
joja [24]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{m = 140}}}}}

Step-by-step explanation:

\sf{1.9m + 14 = 2m}

Move 2m to right hand side and change it's sign

Similarly, move 14 to left hand side and change it's sign

\dashrightarrow{ \sf{1.9m - 2m =  - 14}}

Collect like terms

\dashrightarrow{ \sf{ - 0.1m =  - 14}}

Divide both sides by -0.1

\dashrightarrow{ \sf{ \frac{ - 0.1m} { - 0.1}  =  \frac{ - 14}{ - 0.1}}}

Calculate

\dashrightarrow{ \sf{m = 140}}

Hope I helped!

Best regards! :D

4 0
3 years ago
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Shtirlitz [24]

Answer:

Step-by-step explanation:34m

7 0
2 years ago
A soup can has a diameter of 8 centimeters and a height of 15 centimeters how much soup does the can hold?
Ivan

Answer:

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Step-by-step explanation:

We want the volume of a cylinder

V = pi r^2 h

We have the diameter and want the radius

r = d/2 = 8/2 = 4

V = pi ( 4)^2 * 15

V = pi * 16* 15

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Let pi = 3.14

V =753.6 cm^3

Let pi be the pi button

V =753.9822369 cm^3

8 0
3 years ago
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Eddi Din [679]

Answer:

1. When he sold 20 slices of pizza at $1.25 each, he made $20

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2. 96 slices of pizza. You would get that by dividing 120 by 1.25, as he needs to make $120, and each slice costs $1.25

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80
vladimir1956 [14]

Answer:

Step-by-step explanation:

D is the answer

7 0
3 years ago
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