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Effectus [21]
3 years ago
14

A number plus the sum of the number and seven.

Mathematics
1 answer:
Dmitrij [34]3 years ago
8 0

Answer:

x+(x+7)

Step-by-step explanation:

sum=add all together

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A hula hoop has an circumference 150.72 cm. What is the area of the hula hoop? (round to the nearest hundredth)
Leya [2.2K]

Answer:

Area = 1808.64 cm

Step-by-step explanation:

Circumference of a circle = 2πr

Circumference = 150.72

π = 3.14

r = radius

150.72 = 2 x 3.14 x r

150.72 = 6.28 r

r = 150.72/6.28

r = 24cm

Radius = 24

Area of a circle = πr²

Area = 3.14 x 24²

Area = 3.14 x 576

Area =1808.64 cm

6 0
2 years ago
Kim and Sam went to Mexico Restaurant for lunch. The total bill was $21.58. They decide to leave an 18% tip. How much will the t
GrogVix [38]

Answer:

$3.88

Step-by-step explanation:

You want to leave a 18% tip on a meal that cost $21.58.

First, convert the 18% to an actual number that can be used in a calculation. For percents,this is always done by simply dividing the percent (in this case 18%) by 100%.So, the conversational term "18%" becomes 18% / 100% = 0.18 in terms of a real mathematical number.

Second, you need to find out what 18% of your $21.58 meal cost is.This is always done by multiplying 0.18 by $21.58, or 0.18 x $21.58=$3.88.

So, the amount of tip you are going to leave is $3.88.

7 0
3 years ago
How many positive integers not exceeding 1000 are not divisible by either 4 or 6?
san4es73 [151]
\left\lfloor\dfrac{1000}4\right\rfloor=250

\left\lfloor\dfrac{1000}6\right\rfloor=166

\left\lfloor\dfrac{1000}{\mathrm{lcm}(4,6)}\right\rfloor=\left\lfloor\dfrac{1000}{12}\right\rfloor=83

250+166-83=333
7 0
3 years ago
Write the expression in terms 5×(2+8)
loris [4]
The answer is fifty (50)

7 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!
brilliants [131]

Answer:

-4,790

Step-by-step explanation:

60 x 389 = 23,340

18,550 - 23,340 = -4,790

5 0
3 years ago
Read 2 more answers
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