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Margarita [4]
3 years ago
7

There are 20 bicycles and 10 cars parked in the parking lot. Each bicycle had two wheels and each car had four wheels. How many

wheels are there in total?
Mathematics
2 answers:
Sliva [168]3 years ago
6 0
20(2) + 10(4)
40 + 40
80

There are 80 wheels in total

hope this helps
AlexFokin [52]3 years ago
6 0
20 × 2 = 40 bicycle wheels
10 × 4 = 40 car wheels
40 + 40 = 80 wheels total
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Arrange the steps to perform this subtraction operation in the correct order.
taurus [48]

Answer:

=1.23*10^6

Step-by-step explanation:

We have to calculate

(1.93*10^7 )-(9.7*10^6)

In order to add or subtract two numbers in scientific notation, we have to make sure that the power of exponents in both numbers is same.

We have to reduce the power of 10 in first number from 7 to 6

So,  

Step 1:

1.93*10^7=1.93*10*10^6

=10.93*10^6

Now,

Step 2:

=(1.93*10^7 )-(9.7*10^6 )

= 10.93*10^6- 9.7*10^6

Step 3:

=(10.93-9.7)*10^6

=1.23*10^6

7 0
3 years ago
Read 2 more answers
Uma empresa do ramo de confecções produz e comercializa calças jeans. Se x representa a quantidade produzida e comercializada (e
Semenov [28]

Answer:

I am in 5 classso i did not known answer

5 0
2 years ago
sharia has a full time job and earns 475$ each week but she starts looking for ways to increase her weekly earnings . sharia fin
Arlecino [84]

Answer:

12 hours

Step-by-step explanation:

Full time job:

Earning per week = $475

Part time job :

Earning per hour = $11

Number of working hours per week at per time job to increase weekly earning to atleast $600 ;

Let number of hours = h

Full time earning + earning per hour * (number of hours) ≥ 600

$475 + ($11 * h) ≥ 600

$475 + $11h ≥ 600

11h ≥ 600 - 475

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h ≥ 11.36

Hence, sharia will need to work for 12 hours per week

5 0
3 years ago
1. Find the area of the triangle. 3 yd 10 yd 6.5 yd? 30.0 yd2 13.0 yd2 15.0 yd2​
Damm [24]

Answer:

Step-by-step explanation:

1/2(6.5 x 3) = 9.75

you want to do 1/2bh.

So, take the two legs (3 and 6.5) and multiply them and then multiply them by 1/2

3 0
2 years ago
Help me please thank you
ratelena [41]

Answer:

a) 98 degrees.

b) 8 degrees.

Step-by-step explanation:

supplementary angles: 2 angles that add up to 180 degrees.

a) to find the supplementary angle, all we have to do is:

180 - 82 = 98 degrees

Complementary angles: 2 angles that add up to 90 degrees.

b) to find the complementary angle, all we have to do is:

90 - 82 = 8 degrees

Hope that helped : )

8 0
3 years ago
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