What's in the middle between 275 and 310

Answers

Answer 1

Answer: (310 - 275)/2 + 275 = 35/2 + 275 = 17.5 + 275 = 292.5.

Answer 2

Answer: the answer is 292.5 because 310-275 is like 35 and 35 divided by 2 is 17.5 and then 17.5 + 275 = 292.5

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Rob has 7 ones Nick has five ones they put all their ones together what number do they make

Answers

they together have 11

They make the number 13

Need help please, thanks! A map has a scale of 1 inch:18 kilometers.

Three distances on the map are listed in the chart below. Drag an actual distance into each box to match the corresponding distance on the map.

0.8 in.___________________

1.4 in.____________________

2.1 in.____________________

I don't know, please explain! :(

Answers

Given:
1 inch : 18 kilometers

Let us use the ratio and proportion method:

a:b = c:d where ad = bc

0.8 inches is 14.4 kilometers

1 : 18 = 0.8 : x
x = 0.8 * 18
x = 14.4 km

1.4 inches is 25.2 kilometers

1: 18 = 1.4 : x
x = 18 * 1.4
x = 25.2 km

2.1 inches is 37.8 kilometers

1 : 18 = 2.1 : x
x = 18 * 2.1
x = 37.8 km

Michelle went on a hike she started on the trail at 6:45 a.m. and returned at 3:28 p.m. how long did she hike

Answers

8 hours and 43 minutes

|u| = 13, 315°
|g| = 11, 138°

Find u+g

Answers

u is 13 and g is 1518 and together combined is 1531 i hope its correct

I don really understand percentages can anyone please help

Answers

In mathematics, a percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%", or the abbreviations "pct.", "pct"; sometimes the abbreviation "pc" is also used. A percentage is a dimensionless number (pure number).

Change each improper fraction into an equal mixed number.a. 15⁄4
b. 41⁄9
c. 67⁄8
d. 135⁄11
e. 107⁄20
f. 493⁄17

Answers

A.) 3 3/4

B.) 4 5/9

C.) 8. 375 - I couldn't solve this one

D.) 12 3/11

E.) 5 7/20

F.) 29

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