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Alika [10]
3 years ago
8

What is the perimeter of this shape?

Mathematics
1 answer:
Korvikt [17]3 years ago
6 0

Answer:

59.4 km

Step-by-step explanation:

First you need to find the circumference of the circle. 20*3.14=62.8. Then, you divide this by two, because there is only half of a circle, to get 31.4.

Then you can just add 16 + 12 + 31.4 to get 59.4.

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Find the missing number:
nirvana33 [79]

Answer:

20%

Step-by-step explanation:

Not sure if this is exactly correct, but let's say we start with 1 unit. If it increased by 25%, we get:

1 × 1.25 = 1.25 units.

Now, to get back to 1 unit, we need to find:

1.25 × ?  = 1

? = \frac{1}{1.25} = 0.80

So, 100% - 80 % = 20%

A 20% decrease.

Not completely sure though.

8 0
3 years ago
Simplify. ( exponents )
oee [108]
We need only realize that 1(-8)(-6)=48 to see that C) is the only answer from those choices that can be an answer.
7 0
3 years ago
Read 2 more answers
Question #3
il63 [147K]
I’m pretty sure It’s c
8 0
3 years ago
Daniel weighed 143 1/2 lbs. He
stiv31 [10]

Answer: 186+14-26+5=179 pounds

Step-by-step explanation:

1. Regainged 5 pounds and weighed 179 pounds = So he weiged 179-5=174 pounds."and lost 26 pounds"

2. To weigh 174 pounds,so he used to weigh 174+26=200 pounds, David gained 14 pounds over the winter, so he weighed 200-14=186 pounds.

3. Check 186+14-26+5=179 pounds

If you are doing algebra, then X+14-26+5=179

Solve for X.

HOPE THIS HELPS!! :)) TRIED MY BEST!!

5 0
2 years ago
Find the cost in dollars of the operating a 60-W lamp continuously for 1 week when the power utility rate is 18 cents/kWh .
Alex
<h2>Answer:</h2>

The cost in dollars is:

                       $ 1.8144

<h2>Step-by-step explanation:</h2>

It is given that:

The 60-W lamp is operated  continuously for 1 week.

We know that:

  1 week=7 days

and 1 day=24 hours

This means that:

     1 week=24×7

i.e.  1 week= 168 hours

Also, 1 kW=1000 W

This means that:

 1 W=0.001 kW

Hence,

 60-W=0. 060 KW

i.e. Power= 0.60 KW

Hence, the energy consumed is:

Energy=Power×Time

i.e.

Energy=0.060×168

i.e.

Energy=10.08 KWh

Also, cost of 1 KWh=18 cents

We know that:

1 cent=0.01 dollar

This means that:

18 cents=0.18 dollar

i.e.

Cost of 1 KWh=$ 0.18

Hence, cost of 10.08 KWh is: $ (0.18×10.08)

i.e.

Cost of 10.08 KWh is: $ 1.8144

7 0
3 years ago
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