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3 years ago

Evaluate the function w/o using a calculator!

1 answer:

7 0

In your question where ask to evaluate the function using calculator and then take its reciprocal and the function is cos(135). <span>Base on my calculation and through step by step procedure and with the guidance of the theories and by the use of formulas, I came up with an answer - sqrt of 2</span>

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On anne's bicycle, the ratio of pedal turns to rear-wheel turns in second gear is 4 to 7. if her rear wheel turns 875 times per

quester [9]

Let the number of times she turns the pedal in one mile be x.

Given that her rear miles turns 875 times in one mile and the ratio of pedal turns to rear wheel turns is 4 to 7, then

$\frac{4}{7} = \frac{x}{875} \\ \\ \Rightarrow 7x=4(875)=3,500 \\ \\ \Rightarrow x= \frac{3,500}{7} =\bold{500}$

Therefore, she turns the pedal 500 times in one mile.

8 0

3 years ago

Read 2 more answers

What is the midpoint of the segment joining the points (4, -2) and (-8, 6)? A. (6,4)

kvasek [131]

$~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ (\stackrel{x_1}{4}~,~\stackrel{y_1}{-2})\qquad (\stackrel{x_2}{-8}~,~\stackrel{y_2}{6}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{ -8 + 4}{2}~~~ ,~~~ \cfrac{ 6 -2}{2} \right)\implies \left( \cfrac{-4}{2}~~,~~\cfrac{4}{2} \right)\implies (-2~~,~~2)$

6 0

2 years ago

Pleasee help me .Use each digits 2,3,7,8 to make numbers FROM 20,21,22 SO ON ALL THE WAY TO 50 FOR EXAMPLE 2+3+7+8=20

Ahat [919]

2,3,7,8=
1)3*7=21
2)2*8+7=32
3)7*3+8=29
4)7*3+2=23
5)7*8 divided by 2=28
6)8*3=24
7)2*3*8=48
Hopes This Helps :)

4 0

3 years ago

Read 2 more answers

Henry gets pic 'n mix when at the cinema and makes his bag up with 3 types of sweet. He picks 3 times as many smarties as cola b

Alexus [3.1K]

Answer:

$\dfrac{3}{5}$

Step-by-step explanation:

Let x be the number of cola bottles.

Henry picks 3 times as many smarties as cola bottles, then he picks 3x smarties.

He also picks twice as many marshmallows as smarties. Then he picks

$2\times 3x=6x$ marshmallows.

In total, there are

$x+3x+6x=10x$ sweets in the bag.

Marshmallows are

$\dfrac{6x}{10x}=\dfrac{3}{5}$ of all sweets in the bag.

5 0

2 years ago

The distribution of individual incomes in the United States is strongly skewed to the right. In 2013, the mean and median income

vesna_86 [32]

Answer:

The mean would be $322,343 and the median would be $196,723.

Step-by-step explanation:

Since the distribution of individual incomes is skewed to the right, it means that the distribution has a long right tail.

Drawing a distribution with this characteristic, we can see how the majority of the data falls into the left side of the graphic, meaning that a lot of people receive less income. Following this reasoning, the mean which is the amount of the data (in this case individual income) divided by the amount of people, would be the higher number, meaning that the few people who earn more money would influence in making this number higher.

Following this reasoning, the median (which is not influenced by this difference) would be the less high number.

5 0

4 years ago