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3 years ago

EASY MATH PROBLEM!!!

Mathematics

2 answers:

Maurinko [17]3 years ago

8 0

The answer is 1200. Multiple by .750.

11111nata11111 [884]3 years ago

6 0

750 + 0.60(750) = 750 + 450 = 1200 <==

or this way...
750 * 1.60 = 1200

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luda_lava [24]

Hi the answer should be 4

8 0

3 years ago

Tim has to cover 3 tanks completley with paint.

bija089 [108]

answer:

<h3>Total surface area of 3 tanks=34.3 m^2</h3><h3>7 tins of paint are required.</h3>

Solution,

diameter of tank=1.4 m

Height of tank=1.9 m

Given tank has top and bottom 

Now, The total surface area of cylinder tank is given by:

 $tsa = 2\pi \: {r}^{2} + (2\pi \: r \: ) \times h$ 

r( radius of tank)=

 $\frac{diameter}{2} = \frac{1.4}{2} = 0.7 \: m$ 

h(height of tank)=1.9 m

TSA of 1 tank

=

 $2 \times 3.14 \times {(0.7)}^{2} + 2 \times 3.14 \times 0.7 \times 1.9 \\ = 11.435 \: {m}^{2}$ 

TSA Of 3 tanks

=

 $3 \times 11.435 \: {m}^{2} \\ = 34.3 \: {m}^{2}$ 

Given a tin of plate covers 5m^2 area.

No.of tins required:

1 tin 5m^2

x tin 34.3 m^2

 $5x = 34.3(cross \: multiplication) \\ or \: x = \frac{34.3}{5} \\ x = 6.86 \\ x = 7 \: tins$ 

therefore 7 tins are required.

Hope this helps...

Good luck on your assignment....

8 0

3 years ago

The Blue Plane travels at a constant speed of 120 miles per hour. If it travels for 2 1/2 hours to get to Pennsylvania how far d

Oduvanchick [21]

Answer:

The answer is 300 miles

Step-by-step explanation:

120x2=240

120x .5= 60

240+60=300

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3 years ago

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IgorC [24]

Answer:

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3 years ago

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