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Elan Coil [88]
3 years ago
11

What is the answer of this question ?

Mathematics
1 answer:
Natasha2012 [34]3 years ago
4 0

Answer:

Step-by-step explanation:

They are both C3H8

There are

3 carbons

8 hydrogens

Or put in the form that the table is written

Element          # of atoms  

Hydrogen           8

Carbon                3

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The sum of 2 times a number and 8 is 7
My name is Ann [436]

Answer:

The number is -1/2

Step-by-step explanation:

Let x be the number

2x+8 = 7

Subtract 8 from each side

2x+8-8 = 7-8

2x = -1

Divide each side by 2

2x/2 =-1/2

x = -1/2

The number is -1/2

8 0
3 years ago
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Matthew walks 5/8 to the bus stop each morning. How far will he walk in 5 days?
fomenos
5 points not 10 but 5/8 each day 5 days=5 times 5/8=5/1 times 5/8=25/8=24/8+1/8=3+1/8=3 and 1/8 3 and 1/8 mile
8 0
3 years ago
Write a proportion for 56% of a number is 244
Misha Larkins [42]
\frac{56}{100} =  \frac{244}{x} So, You cross multiply and get 56x=244(100). Simplify and you get 56x=24400. Divide each side by 56 and you get 435.71. 56% of about 435.71 is 244.
6 0
3 years ago
I need help in this pleaseee helppp meee
shutvik [7]

Answer:

Line segment JK

because the order of the letters matter when specifying congruent shapes.

3 0
3 years ago
Maple town is 16 kilometers due north of the airport and sachet town is due east of the airport. The shortest distance between m
Alexxandr [17]

Answer:

Sachet town is 12km from the airport

Step-by-step explanation:

In this question, we are asked to calculate the distance from sachet town to the airport.

This can be calculated by referring to a diagrammatic representation. Please check attached file.

Let’s proceed with the calculations however.

From the question, we can see that we have formed a Right angled triangle from the diagram and we need to calculate the distance x.

Mathematically;

x^2 + 16^2 = 20^2

x^2 = 20^2 - 16^2

x^2 = 400 - 256

x^2 = 144

x = sq.rt of 144

x = 12km

6 0
3 years ago
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