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3 years ago

Henry is an avid reader.He devours 90 pages in half-an-hour.How many pages has Henry read per minute?

Mathematics

2 answers:

9966 [12]3 years ago

6 0

Answer:

Henry reads 3 per minute

Step-by-step explanation:

There is 30 mins in half an hour

so divide 90/30

and you get 3

ICE Princess25 [194]3 years ago

4 0

Answer:

3 pages per minute

Step-by-step explanation:

Half an hour is eqquivalent to 30 minutes, so we do 90 (pages) / 30 (minutes) = 3--> Wich means that Henry can read 3 pages per minute.

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Precal : Note: Triangle may not be drawn to scale. Suppose a = 3 and A = 15 degrees

drek231 [11]

Given:

In a right triangle at B,

$\begin{gathered} a=3 \\ A=15^{\circ} \end{gathered}$

To find:

The length of the sides b and c and angle B.

Explanation:

Using the trigonometric ratio,

$\begin{gathered} sinA=\frac{a}{c} \\ \sin15^{\circ}=\frac{3}{c} \\ c=\frac{3}{\sin15^{\circ}} \\ c=11.59 \\ c\approx11.6 \end{gathered}$

Using the trigonometric ratio,

$\begin{gathered} \tan A=\frac{a}{b} \\ \tan15^{\circ}=\frac{3}{b} \\ b=\frac{3}{\tan15^{\circ}} \\ b=11.19 \\ b\approx11.2 \end{gathered}$

Using the angle sum property,

The angle B becomes,

$\begin{gathered} 90+15+B=180 \\ B=180-90-15 \\ B=75^{\circ} \end{gathered}$

Final answer:

The values are,

$\begin{gathered} b=11.2 \\ c=11.6 \\ B=75^{\circ} \end{gathered}$

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1 year ago

Consider functions

aniked [119]

b is the correct answer

Step-by-step explanation:

see the step in the picture

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2 years ago

A group of market women sell at least one of yam, plantain and maize.12 of them sell maize,10 sell yam and 14 sell plantain,5 se

mina [271]

Let the three items be M, Y and P.

n{M ∩ Y} only = 4-3 = 1

n{M ∩ P) only = 5-3 = 2

n{ Y ∩ P} only = 2

n{M} only = 12-(1+3+2) = 6

n{Y} only = 10-(1+2+3) = 4

n{P} only = 14-(2+3+2) = 7

n{M∩P∩Y} = 3

Number of women in the group = 6+4+7+(1+2+2+3) as above =25 women.

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3 years ago

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antiseptic1488 [7]

1) Vertical angles theorem

Angles EOF and BOC are vertical angles.

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Angles AOB and BOC add to form angle AOC.

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4) Subtraction property of equality

They subtracted angle AOC from both sides.

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1 year ago

Baby's crib would be about how long? 1 m 2 m 10 m 1 km question #8truefalse score: the length of a small object, such as a penci

Dafna1 [17]

A baby's crib would be about 1 m
False
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3 years ago

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