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laila [671]
3 years ago
15

Plz help with any of them it’s a emergency

Mathematics
2 answers:
devlian [24]3 years ago
7 0
To find a perimeter, add all sides together:

9) 12 + 12 + 8 + 8 = 20 + 20 = 40 in
10)  3 + 3 + 3 + 3 = 6 + 6 = 12 cm

To find area, multiply length and width, or base and height:

11) 3 x 6 = 18 
12) 10 x 30 = 300 ft
13) 12 x 12 = 144 cm
14) 7 x 4 = 28 m

15) 
Perimeter: 2(2) + 2(16) = 4 + 32 = 36
Area: 1 x 16 = 16


hope this helps
pantera1 [17]3 years ago
7 0
9. 40 inches
10. 12 cm
11. 18sq units
12. 300 sq ft
13. 144sq cm
14. 28 sq m
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What percent of 350 is 252
7nadin3 [17]
To solve this you can make a perportion

252     x 
----- = -----
350     100

and solve 252 times 100/350=72

252 is 72% of 350
5 0
3 years ago
While on a train trip, Marsha noticed that there were 35 people in her train car. After the next stop, there were only 21 people
const2013 [10]

Answer:

40%

Step-by-step explanation:

To find a percent, divide the part by the total and multiply by 100.

To find the part, subtract 21 from 35 to find the people who left.

35 - 21 = 14

(14/35)*100 = p

.4 *100 = p

40 =p

5 0
3 years ago
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Flora has saved $4 less than twice the amount Jason has saved. Together they have $44. How much has each person saved?
shusha [124]

Answer:

$20

Step-by-step explanation:

$44 - $4 = 40

40 divided by 2=$20

4 0
3 years ago
Please help ASAP. I am confused
Lesechka [4]

Answer:

So if ∠X is 70° then ∠Y is most likely going to be 70° as well. So if you take 180° which is a straight line and subtract both of the 70°'s you'd get 40°. This answer seems pretty accurate to me.

Step-by-step explanation:

Hope this helps you out! :)

(If any question s put them below and I'll try my best to answer them)

3 0
3 years ago
you put $400 in an account. the account earns $18 simple intrest in 9 months. what is the anual interest rate?
meriva

Answer:

6%

Step-by-step explanation:

I = Prt, so r = I / (Pt)

t = 9 months / 12 months = 0.75

r = $18 / ($400 * 0.75) = 0.06, or 6%

7 0
3 years ago
Read 2 more answers
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