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lbvjy [14]
3 years ago
5

Can you help me with these problems? I mean tell me if i got them right or not..*sulk* - Add and subtract integers-

Mathematics
2 answers:
levacccp [35]3 years ago
8 0
Looks like all are correct except 1, which is -5.
Kobotan [32]3 years ago
6 0
-10-5= -15 yes
-2+3=1 yes
4-7=-3 yes
-8+(-7)=-1 no   -8+(-7) =-15
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Charlie measured the circle-shaped part of a sun his sister drew on the chalkboard. The circumference of the circle is 75.36 cm.
ch4aika [34]

Answer:

The diameter of circle is 24 cm.

Step-by-step explanation:

We are given the following in the question:

Circumference of circle = 75.36 cm

We have to find the diameter of the circle.

Circumference of circle =

C =2\pi r

where r is the radius of the circle.

Putting values, we get,

75.36 = 2\times 3.14\times r\\\\r = \dfrac{75.36}{2\times 3.14}\\\\r=12

Diameter of circle =

d=2r\\d=2\times 12=24\text{ cm}

Thus, the diameter of circle is 24 cm.

4 0
3 years ago
If $10,500 is borrowed for 5 years at an annual simple interest rate of 1.73%, how much interest will be paid if the entire loan
Anvisha [2.4K]

Answer:

Step-by-step explanation:

So, yearly $2100 is paid, plus the 1.73% interest, so 1.73% interest is $2136.33every year interest stacks on itself so youll take 1.73% of the year 1 total with interest.  

Year 1 total: $2136.33

Year 2 total:$2173.29

Year 3 total:$2210.89

Year 4 total:$2249.14

Year 5 total:$2288.05

Total Paid After 5 years:$11057.70

Year 1 total interest:$36.33

Year 2 total interest:$36.96Year 3 total interest:$37.60Year 4 total interest:$38.25Year 5 total interest:$38.91

Total Interest paid after 5 years:$188.05

5 0
4 years ago
Which set of side lengths forms a right triangle? 2 3 13, 4 6 10, 9 12 18, 15 36 39 ,
Reika [66]

Answer:

15, 36, 39

Step-by-step explanation:

when these are squared they add up to 39 squared following the Pythagorean theorem

3 0
3 years ago
A wheel has a diameter of 28 inches. What is the approximate distance around the outside of the wheel? Use 3. 14 for pi
KonstantinChe [14]

Answer:

87.92

In this case we're trying to find circumference

Formula: c = pi×d

The problem says to use 3.14 for pi

c = 3.14 × 28 = 87.92

3 0
3 years ago
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lana [24]
Yoga class was thirty minutes and the aerobics class was 0 minutes.
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3 years ago
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