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kirill115 [55]
3 years ago
12

1. 5% of $30 2. 15% of $70 3. 0.4% of $100 SHow your steps and working

Mathematics
2 answers:
pashok25 [27]3 years ago
5 0
5% of $30 is $1.50    5% (.05) multiply
15% of $70 is $10.50     15% (.15) multiply
0.4% of $100 is $0.40     0.4% (.004) multiply

PolarNik [594]3 years ago
3 0
0.05 x 30 = 1.5

0.15 x 70 = 10.5

0.004 x 100 = 0.4
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The volume of a medal is 35 cm³
ratelena [41]

Answer:

301.224 g

Step-by-step explanation:

Let's divide in the ratio 21:4 the volume of the medal (35cm^3)

copper = (21/25)(35cm^3) = 29.4cm^3

tin = (35 - 29.4)cm^3 = 5.6cm^3

<em>FOR THE COPPER</em>

8.84 : 1 = X : 29.4

X = 259.896(g)

<em>FOR THE TIN</em>

7.38 : 1 = X : 5.6

X = 41.328(g)

<em>(259.896 + 41.328)g </em><em>=</em><em> 301.224 g</em>

7 0
2 years ago
What is the difference of 56.45 and 49.26
vodomira [7]

Answer:

7.19

Step-by-step explanation:

  56.45

-  49.26

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   07.19

6 0
3 years ago
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Please help ASAP this Is due tomorrow
Grace [21]

Answer:

384 inches²

Step-by-step explanation:

The surface area of a cube is found by using 6a².

6 = the number of sides in a cube

a = the given dimension (in this case, 8 inches long)

SA = (6)8²

SA = 6(64)

SA = 384

Hope this helps, sorry if it’s not what you’re looking for :)

3 0
3 years ago
What is the area of a circle with a radius of 11 meters? Round your answers to the nearest tenth.
zloy xaker [14]

Answer:

380.1

Step-by-step explanation:

A=\pir^2

A=\pi*11*11

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8 0
2 years ago
I need help I’m rlly stupid at the moment
Elanso [62]

Answer: 4

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8 0
3 years ago
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