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3 years ago

What is 3/4 divided by 1/24

Mathematics

2 answers:

Musya8 [376]3 years ago

7 0

Dividing fractions is the same thing as multiplying by the reciprocal

3/4 x 24/1 = 18

pshichka [43]3 years ago

3 0

3/4 divided by 1/24, must do the reciprocal (flip) of 1/24 which is 24/1, when do this you now multiply, 3/4x24/1=72/4=18

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Round to the nearest tenth 115 in decimal

schepotkina [342]

Answer:

it would be 115

Step-by-step explanation:

there is no decimal so that means 115. if it was 115.1 then it would be 115 because it is closer to 115. now it is different if it was .5 and up because it would round up. anything above 5 will round up

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3 years ago

What is the ratio of the number of days in the week that do not begin with the letter "T" to the number of days in the week that

ruslelena [56]

Answer:

2 : 5

Step-by-step explanation:

2 days of the week begin with the letter T (Tuesday, Thursday).

5 days of the week do not begin with the letter T (Sunday, Monday, Wednesday, Friday, Saturday).

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3 years ago

Which components are a possible representation of vector w if the magnitude of vector -3w is ||-3w||=15?

Black_prince [1.1K]

Answer:

<-3,4>

<0,-5>

Step-by-step explanation:

|-3w| = 15

3|-w| = 3|w| = 15

|w| = $\frac{15}{3}$

|w| = 5

If vector w is represented by <1,-9>

Then |w| = $\sqrt{(1)^{2}+(-9)^{2}}=\sqrt{1+81}=\sqrt{82}\neq5$ .

Therefore this is not possible.

If vector w is represented by <-3,4>

Then |w| = $\sqrt{(-3)^{2}+(4)^{2}}=\sqrt{9+16}=\sqrt{25}=5$ .

Therefore this is possible.

If vector w is represented by <4,5>

Then |w| = $\sqrt{(4)^{2}+(5)^{2}}=\sqrt{16+25}=\sqrt{41}\neq5$ .

Therefore this is not possible.

If vector w is represented by <-5,-3>

Then |w| = $\sqrt{(-5)^{2}+(-3)^{2}}=\sqrt{25+9}=\sqrt{34}\neq5$ .

Therefore this is not possible.

If vector w is represented by <0,-5>

Then |w| = $\sqrt{(0)^{2}+(-5)^{2}}=\sqrt{0+25}=\sqrt{25}=5$ .

Therefore this is possible.

(NOTE : if z vector is represented by <x,y> then |z| = $\mathbf{\sqrt{x^{2}+y^{2}}}$ )

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D) 10.9

pythagorean theorem
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