Can someone please explain?
How many times are an hour hand and a minute hand of a clock at right angles during their motion from 1.00 p.m. to 10.00 p.m.?
(Most of the people claim the answer is 18, but shouldn't it be 16? Iďk.)

Help will be much appreciated. ​

Answers

Answer 1

Answer:

[tex]with \: in \: one \: hour \: \: minute \: \\ and \: hou \: and \: are \: two \: ties \: perpendicular \: \\ between \: 1p \: and10pm \: there \: are \: 9 \: hours \: \\ so \: it \: must \: be \: 9 \times 2 = 18 \\ in \: mathamaticlly \: but \: logiclly \: \\ ii \: think \: 16times \\ they \: r \: 1.20 \: 1.55 \: 2.25 \: 3 .00\: 3.30 \: 4.05 \: \\ 4.40 \: 5.10 \: 5.45 \: 6.15 \: 6.50 \: 7.20 \: \\ 7.55 \: 8.25 \: 9.00 \: 9.30 \\ thank \: you[/tex]

Answer 2

Answer:

16

Step-by-step explanation:

see answer above


Related Questions

A man weighs k kg. He goes on a diet and
loses one-tenth of his weight. What is his
weight after going on the diet?

Answers

The Weight of man after diet is  9/10(k).

What is Expression?

A mathematical operation such as subtraction, addition, multiplication, or division is used to combine terms into an expression. In a mathematical expression, the following terms are used:

An absolute numerical number is referred to as a constant.Variable: A symbol without a set value is referred to as a variable.Term: A term can be made up of a single constant, a single variable, or a mix of variables and constants multiplied or divided.Coefficient: In an expression, a coefficient is a number that is multiplied by a variable.

Given:

A man weighs k kg.

He goes on a diet and loses one-tenth of his weight.

So, the weight after diet is

= k - k(1/10)

= (10k - k)/ 10

= 9k /10

= 9/10(k)

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find gf(2) if f(x)=2x+1,g(x)=3x-2

Answers

Answer:

13

Step-by-step explanation:

To find g f(2) , evaluate f(2) and substitute the value obtained into g(x)

f(2) = 2(2) + 1 = 4 + 1 = 5 , then

g(5) = 3(5) - 2 = 15 - 2 = 13

2x-y+z=4
x+3y-z=11
4x+-y-z=14

Answers

Answer:

what should help i do for you!

Answer:

x=3

y=3

z=1

Step-by-step explanation:

3x+2y=15 3x(3x)+2y=15 3+3(3)-2=1

6x= 18 9+2y=15 3+9-2=11

-6 -6 9 9 12-2=11

x=3 2y=6 12 12

y=3 7= -1

7= -1

answer: x = 3

y=3

z= 1

You've purchased a lottery ticket and your numbers are 5-3-1. A lottery official randomly selects three balls from a set of eight balls that are numbered from #1 to #8. To win, your numbers must match the selected numbers in order. What is the probability if winning the lottery?

Answers

Answer:

1 out of 336 chance

Step-by-step explanation:

Since you picked three numbers, you are going to put three blanks.

What to do in this situation is to have _ _ _. Since there are numbers 1-8, what you want to do is take the three biggest numbers and multiply them together. in this case, they would be 8-7-6. Multiply that and you get 336.

Someone help me answer this I don’t know the answer ‍♀️

Answers

The answer is simplest form: 2x + 8 +2b

solue for a
d3a=b
3
Please help

Answers

Answer:

[tex] {d}^{3} a = b \\ \frac{ {d}^{3}a }{ {d}^{3} } = \frac{b}{ {d}^{3} } \\ \\ { \boxed{ \boxed{a = \frac{b}{ {d}^{3} } }}}[/tex]

Simplify problem....​

Answers

Step-by-step explanation:

a=5x^3

b=7y^9

that is the answer

don't attempt unless you have taken geometry.
two angles and complementary. the measure of one angle is 21 more than twice the measure of the other angle, find the measure of the angles.

Answers

Answer:

if it is 21 more thn twice then 21*2 would equal 42 then they are complementary so the you would get 49 as the second angle

Step-by-step explanation:

Answer:

the answer would be 67 and 23.

Step-by-step explanation:

Complementary angles are angles that add up to measure 90 degrees.

lets say angle one is y.

angle two would be 2y + 21.

so, 90 = y + 2y + 21. Group like terms to get 90= 3y +21.

subtract 21 from both sides 69=3y

divided both sides by three 23=y

so angle one is 23, and if you plug in 23 for y in angle two's equation you get 67.

Which of the below measures of central tendency is/are always unique ?

Answers

Answer:

A measure of central tendency is a single value that attempts to describe a set of data by identifying the central position within that set of data

what is 1 + 1
guess come on i know you know it guess guess again if you said 11 you are correct

Answers

Answer:

I think its 25. right?

Answer:

1+1=2 that's the real answer but sure I'll guess umm is it 35

a laundry service charges $5.00 plus an additional $1 per pound of laundry to be washed. write and graph an equation to represent the situation.

Answers

Answer:

i dont know the answers.........

Write 12241.025 how do u read this

Answers

Answer:

12241.025

Step-by-step explanation:

Twelve thousand, two hundred and forty one point zero, two, five

a skydiving company insists

Answers

Answer:

A skydiving company insists that its customers weigh at least 130 pounds, but no more than 280 pounds, including parachute and other gear. If the total weight of all gear is 25 pounds, write and solve a compound inequality that represents the weight range without gear that is acceptable.

105 ≤ x ≤ 255

think this is what you meant . . .

Find the slope and y-intercept of the line.
5x + 3y = 45
Find the slope. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. The slope of the line is (Simplify your answer. Type an integer or a fraction)
OB. The slope of the line is undefined.
(Answer quickly)

Answers

Answer:

Slope: −53-53

y-intercept: (0,15)

please help meeee :(

Answers

COA = 4x + 7

Explanation - 10x + 4 = 6x - 3 + y
10x + 7 = 6x + y
4x + 7 = y (COA)

What is the value of 7−2ℎ, given g = 3 and h = 5?

Answers

Answer:

- 3

Step-by-step explanation:

Given

7 - 2h ( substitute h = 5 into the expression )

= 7 - 2(5)

= 7 - 10

= - 3

On evaluating the function at h = 5, we get -

f(5) = - 3.

We have a function -

f(h) = 7 - 2h

We have to find the value of f(h) at h = 5.

Evaluate -  f(x) = Sin( [tex]\frac{\pi }{x}[/tex] ) at x = 2.

f(x) = Sin( [tex]\frac{\pi }{x}[/tex] )

f(2) = Sin( [tex]\frac{\pi }{2}[/tex] )

f(2) = 1

According to the question, we have -

f(h) = 7−2ℎ

Now, evaluating the function at h = 5, we get -

f(5) = 7 - 2 x 5 = -3

Hence, on evaluating the function at h = 5, we get -

f(5) = - 3.

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the area of right triangle is 50 m square. if one of its legs is 20cm find the lenght of the other leg?​

Answers

The height of the right angles triangle having an area of 50 sq cm and a base of 20 cm is 5 cm.

What is a triangle?

A triangle is a three-sided closed-plane figure formed by joining three noncolinear points. Based on the side property triangles are of three types they are Equilateral triangle, Scalene triangle, and Isosceles triangle.

Given, The area of a right triangle is 50 m square. if one of its legs is 20cm

We know the area of a triangle is (1/2)×lenght×height.

Therefore

(1/2)×20×height = 50.

20×height = 100.

height = 100/20.

height = 10/2.

height = 5 cm.

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Find three consecutive odd integers such that the sum of the least integer and the middle integer is 51 more than the greatest integer.

Answers

Answer:

square root of 25 <square root of 51 <square root of 81

5 <7.14 <9

Make up your own multiplication and division problem and solve them

Answers

Step-by-step explanation:

[tex]10.5 \div 5 = 2.1 \\[/tex]

[tex]52.3 \times 2 = 104.6[/tex]

[tex]82.5 \div 5 = 16.5[/tex]

[tex]45 \times 6.5 = 292.5[/tex]

for each function, what is the output of the given input?
For f(x) = -5x +1, find f(3).

a. -16
b. -14
c. -2
d. 16

Answers

Answer:

b. -14

Step-by-step explanation:

x is now 3

so -5(3)+1 = -14

There are 13 maple trees currently in the park. Park workers will plant more maple trees today. When the workers are finished, there will be 88 maple trees in the park. How many maple trees did the workers plant today

Answers

The amount of maple trees would be 75

why tan 90 is not defined



Answers

Answer:

As we have got results as infinity and we cannot define infinity and we cannot define infinity therefore tan 90 is undefined

Answer:

Its undefined because you can't divide 1 by

Nothing multiplied by 0 will give an answer of 1 , So the answer is undefined

Please help

Combine like terms.
9y + 5y - 3 = [? ]y + [ ]

Answers

Answer:

= 14y + ( – 3 )

I hope I helped you^_^

which value is equivalent to -5/6?

Answers

Answer:

-5/6 or -0.833333333333

Step-by-step explanation:

step-by-step-ecuation

the village pawnshop will lend you up to 70% of the value of your collateral. Alice wants to use a $2,400 computer and a $900 saxophone as collateral for a loan. what is the maximum amount she could borrow from this pawnshop?

Answers

Answer:

Step-by-step explanation:

Add the two amounts together.

Value = 900 + 2400

Value = 3300

Now take 70% of this value

70 / 100 * 3300 = 2310

Answer:

4x is the answer

did the assignment

Referring to the figure, find the volume of the solid
shown. Round to the nearest whole number.

Answers

104 is your awnser hop I helped

[tex]5x-6=3x-8[/tex]
Thanks! :)

Answers

Answer:

x = -1

Step-by-step explanation:

5x -6 = 3x -8

5x- 3x = 6 -8

2x = -2

x = -1

5x-6=3x-8
-3x -3x
2x-6=-8
+6 +6
2x=-2
/2 /2

x=-1

1000 as a power of 10 us equal to what

Answers

Answer:

its sounds like this means 10^1000?

the answer would be 1E1000

if it says 1000^10, the answer is 1E30

Simplify the expression.
Subtract 4x – 10 from 2x + 5.

Answers

Answer:

-2x+15

Step-by-step explanation:

from means it comes after

2x+5 - ( 4x-10)

Distribute the minus sign

2x+5 -4x+10

Combine like terms

2x-4x  +5+10

-2x+15

Answer:

[tex]2x + 5 - (4x - 10) \\ 2x + 5 - 4x + 10 \\ - 2x + 15 \\ thank \: you[/tex]

Please someone help

Answers

[tex]\begin{array}{l}\begin{cases} \begin{array}{l}\sin \alpha =\frac{x}{12} \Leftrightarrow x=12\sin \alpha \end{array}\\\cos \alpha =\frac{y}{12} \Leftrightarrow y=12\cos \alpha \end{cases}\\\\\text{Thus,\ the\ area\ is}\\\\A=\frac{xy}{2} =\frac{12\sin \alpha \cdotp 12\cos \alpha }{2}\\\\\Longrightarrow A=72\sin \alpha \cos \alpha \end{array}[/tex]

D

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