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lapo4ka [179]
4 years ago
9

Evaluate x-(-y) when x= -2.31 and y = 5.9

Mathematics
2 answers:
Sonbull [250]4 years ago
7 0
Answer is:
3.59
How to solve:
1. Replace variables
2. Do equation
kondor19780726 [428]4 years ago
4 0
-2.31-(-5.9)= -2.31+5.9= 3.59
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Elena has 2 fewer hats then fran. Together, they have 14 hats. Which equation represents this situation.
Free_Kalibri [48]
<h2>Greetings!</h2>

Answer:

2x - 2 = 14

Step-by-step explanation:

Let x be the amount of hats Fran has, if Elena has -2 hats, then this can be shown by x - 2

So then

x + x - 2 = 14

2x - 2 = 14

You haven't asked this but to find the amount of hats they have, move the -2 over to the other side making it a +2:

2x = 14 + 2

2x = 16

x = 8

So Fran has 8 hats and Elena has 6 hats.


<h2>Hope this helps!</h2>

8 0
3 years ago
The circumference of a circle is 15.2mm.
bulgar [2K]

Answer:

circumference of circle (c)=15.2mm

length of radius (r)=?

we know,

c= 2×pi×r=2×3.14×r

or,15.2/6.28=r

or,2.4=r

2.4mm=r

5 0
3 years ago
Howard invested $2,500 in a local bank at a rate of 1.25% for 5 years. How
Tom [10]
Howard will make $156.25 in 5 years!
7 0
3 years ago
Can someone please help with this question pleaseee
Ulleksa [173]

Answer: Choice C) 10.5

The distance from A to C is 7 units (count out the spaces between the two points, or subtract y coordinates 4-(-3) = 4+3 = 7)

Let AC = 7 be the base of the triangle. You might want to rotate the image so that AC is laying horizontally rather than being vertical.

Now move to point P. Walk 3 spaces to the right until you land on segment AC. This shows that the height of the triangle is 3 when the base is AC = 7.

base = 7, height = 3

area of triangle = (1/2)*base*height

area of triangle = 0.5*7*3

area of triangle = 10.5 square units

7 0
3 years ago
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Some roads in Poland have a speed limit of 140 km/h. How fast is this in miles per minute?
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1 .47 miles per minute
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3 years ago
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