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DaniilM [7]
3 years ago
12

I don't know the answer can eney one help??

Mathematics
1 answer:
zlopas [31]3 years ago
4 0

Answer:

Please see attached picture for full solution.

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Can you guys give me the working out and the answers?​
Mice21 [21]

#1 (15)

50%= 1/2

1/2 of 30 is the same as 30÷2=15

#2 (20kg)

25%= 1/4

1/4 of 80 is the same as 80÷4= 20

#3 (30cm)

1/3 of 90 is the same as 90÷3=30

#4 (8m)

2/3 of 12 is the same as 12÷3= x2

12÷3= 4(2)= 8

#5 (70)

10% = 1/10

1/10 of 700 is the same as 700÷10= 70

#6 (280)

40%= 4/10

700÷10=x(4)

70(4)=280

#7 (2700 m)

9/10

3000÷10=x(9)

300(9)= 2700

7 0
3 years ago
The regular price of a baseball hat is $15.65. If Julio buys the baseball hat on sale for 20% off the regular price, how much ch
larisa [96]
Begin by multiplying $15.65 by 0.20 to find what 20% of the regular price is. This gives you 3.13, which in this situation means $3.13.
To find the price with discount subtract 15.65-3.13. This gives you $12.52.
To find out the change, subtract 20-12.52. This gives you $7.48.
So, he will receive $7.48 in change.
Hope this helps!
8 0
3 years ago
HELLLLP! WILL GIVE BRANLIST ​
pantera1 [17]

Answer:

B

Step-by-step explanation:

The m1=m3 since vertical angles, the m5=m1 since it is parallel transversal

8 0
3 years ago
What is the volume of a hemisphere with a diameter of 7.6 m, rounded to the nearest tenth of a cubic meter?
hichkok12 [17]

Answer:

114.9 meter

Step-by-step explanation:

v=(2/3)πr^3

diameter=2r

r=7.6/2

r=3.8

(2/3)π* (3.8)^3

~36.58π meter

if the teacher wants you to use 3.14 as π (like instead of writing the symbol of π), then 36.58*3.14=114.9 meter

3 0
3 years ago
How to find the area of a 5in and 11in triangle
xz_007 [3.2K]

Answer:

27.5

Step-by-step explanation:

5 times 11 = 55

55 divided by 2 =27.5

7 0
2 years ago
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