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nata0808 [166]
3 years ago
10

If a=5, the value of 2a+5 is _____​

Mathematics
2 answers:
slavikrds [6]3 years ago
8 0

Answer:

15

Step-by-step explanation:

2(5) +5

10 + 5 = 15

e-lub [12.9K]3 years ago
3 0

Answer:

15

Step-by-step explanation:

replace a with 5

2(5)+5= 10+5

10+5=15

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6a-1÷7=4. . . . . . . . . . .. . . ​
Ipatiy [6.2K]

Answer:

a=29/42

Step-by-step explanation:

6a-1÷7=4

first write the division as a fraction

6a-1/7=4

add 1/7 to each side

6a=4+1/7

which is equal to

6a=29/7

divide both sides by 6

a=29/42

8 0
3 years ago
The scale on a map of Virginia shows that 1 inch represents 45 miles. the actual distance from Richmond, Va, to Washington, D.C.
Talja [164]

Answer: 2.44 inches

Step-by-step explanation:

Since the scale on a map of Virginia shows that 1 inch = 45 miles while the actual distance from Richmond, Va, to Washington, D.C., is 110 miles.

The number of inches that are between the two cities will be represented by x. Therefore,

1/x = 45/110

Cross multiply

45x = 110

x = 110/45

x = 2.44 inches

The Distance between the two cities on the map is 2.44 inches

8 0
3 years ago
Can someone please help me...
ratelena [41]

Answer:

A (0,2)

B (10,2)

C (10,9)

D (0,9)

3 0
3 years ago
Read 2 more answers
Which set of three points is noncollinear
Dennis_Churaev [7]
Where's the figure cause Idk
6 0
4 years ago
The cost of a gallon of gas recently doubled. By what percent did it increase? A) 50% B) 100% C) 150% D) 200%
drek231 [11]
Hey there!

If a cost of a gallon recently doubled, then it increased by 50%. This is because half of 100% is 50% and it takes one more 50% to double.

Hope this helps you.
Have a great day!
5 0
3 years ago
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