3 years ago

Help Me Plzzzzz

Mathematics

2 answers:

Anastaziya [24]3 years ago

6 0

Step-by-step explanation:

wheres the decimal to compare it to

Sophie [7]3 years ago

4 0

The answer is A I hope this helps have a great day

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artcher [175]

Answer:

coool bro but i dont rememeber asking

Explanation:

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2 years ago

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3 years ago

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morpeh [17]

Seems to be 10 cups per 2 peaches or 10/2 or 5/1 or 5 cups of peaches per pie

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If u= and v=<3cos45degree,3sin45degree> find the direction of u+v. Put in degrees and round to the nearest tenth.

bija089 [108]

Answer:

54.0°

Step-by-step explanation:

We have that:

u=<cos 30°, 4sin30°>

This implies that:

u=<½√3, 2>

Also, v=<3cos 45°, 3sin 45°>

v=<3√2/2, 3√2/2>

u+v=<2.99,4.12)

The direction of u+v, is the angle, it makes with the positive x-axis.

This is given by;

$\theta = { \tan}^{ - 1} ( \frac{y}{x} )$

$\theta = { \tan}^{ - 1} ( \frac{4.12}{2.99} )$

$\theta = 54.03$

To the nearest tenth, the direction is 54.0°

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2 years ago

The battery on McKenzies old computer can last 4(1/5) hours. She bought a new computer that has a battery that can last 40% long

Solnce55 [7]

Answer:

$5\frac{22}{25}\ hours$

Step-by-step explanation:

we know that

$4\frac{1}{5}\ hours=\frac{4*5+1}{5}=\frac{21}{5}\ hours$

$100\%+40\%=140\%=\frac{140}{100}$

Let

x ------> new battery life

The equation that represent this situation is

$x=\frac{140}{100} (\frac{21}{5})=\frac{2,940}{500}\ hours$

convert to mixed number

$\frac{2,940}{500}=\frac{2,500}{500}+\frac{440}{500}=5\frac{22}{25}\ hours$

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3 years ago