Dan was thinking of a number. Dan adds 10 to it, then doubles it and gets an answer of 56.6. What was the original number

Answer:

how do u even do this

Step-by-step explanation:

Answer:

the answer y= -8 cuz (-2.5×3.2) = -8 so the answer is -8

Answer:

24 and 66degrees

Step-by-step explanation:

Given the equation

cos(8x+18)=sin(−2x+36)

In trigonometry identity, cos theta = sin (90- theta)

The given expression becomes;

sin (90 - (8x+18)) = sin(−2x+36)

sin will cancel out to have;

90 - (8x+18) = (−2x+36)

90-8x-18 = -2x+36

-8x +72 = -2x+36

-8x + 2x = 36 - 72

-6x = -36

x = 36/6

x = 6

Hence the value of x is 6

cos(8x+18) = cos(8(6)+18)

= cos  66

Also

sin(−2x+36)

= sin(−2(6)+36)

= sin(−12+36)

= sin 24

Hence both angles are 24 and 66degrees

Answers:

The definition of the variable:

The Equation:

What we know:

The pencils were divided into 6 groups of 4.

The variable for pencils is P.

Step-by-step explanation:

So, to find the equation we plug-in P over 6 because we are dividing the pencils into 6 groups. We plug in the number 4 in the right-hand box because it represents the number which is in each group. So this equation shows that the Pencils (P) is split into 6 groups with 4 pencils in each group.

I hope this helps! Have a great day! :D

Answer:

3

Step-by-step explanation:

i think?

Answer:

1

Step-by-step explanation:

Answer:

Step-by-step explanation:

An input is data that a computer receives. An output is data that a computer sends.for example the sound from a computer's speakers.

Answer:

Input depends on output.

Step-by-step explanation:

If you were to have a linear equation, say y=2x+1, x would be your input, and y is your output, similar to how an independent variable affects a dependent variable.

Going back to the equation, if you were to "put in" a value for x, this would affect the y value. If we were to plug in 2 for x, 2(2)+1=5. so y=5, and the coordinate would be (2,5). Here are a few input/output values for that equation

x    y

1    3

2    5

3    7

4     9

Answer:

45448

Step-by-step explanation:

Answer:

No solution

Step-by-step explanation:

Answer:

4π

Step-by-step explanation:

Area = πr^2 or πd

in this case, d = 4, so its 4π

Answer:

34

Step-by-step explanation:

3rd square number is 9

5th square number is 25

9+25= 34

Step-by-step explanation:

[tex] \frac{14}{ \sqrt{2} } + \sqrt{50} \\ \frac{ \sqrt{2} \times \sqrt{2} \times 7}{ \sqrt{2} } + \sqrt{25 \times 2} \\ \\ 7 \sqrt{2} + 5 \sqrt{2} = 12 \sqrt{2} [/tex]

The given expression can be written in the form of b√2 as 12√2 where b = 12.

An algebraic expression can be obtained by doing mathematical operations on the variable and constant terms.

The variable part of an algebraic expression can never be added or subtracted from the constant part.

The given expression is [tex]14/\sqrt{2}+\sqrt{50}[/tex].

It can be rewritten as,

[tex]14/\sqrt{2}+\sqrt{50}[/tex]

Multiply √2 to both numerator and denominator of 14/√2 as,

14√2/2 + √50

⇒ 7√2 + √(5 × 5 × 2)

⇒ 7√2 + 5√2 = 12√2

On comparing 12√2 with b√2, it is obtained as,

b = 12

Hence, the given expression can be written as 12√2.

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The price that the customer pay before taxes is $18.965.

Multiplication of two numbers is defined as the addition of one of the number repeatedly until the times of the other number.

a × b means that a is added to itself b times or b is added to itself a times.

Given a table which shows the unit price of the meat at a local deli.

A customer purchased 1/ 4 pound of ham, 1 1/2 pounds of turkey, 1 pound of roast beef, and 3/ 4 pound of bologna.

In order to get the price of each meat, multiply unit price with the amount that the customer buy.

Total price = (1/4 × $5.99) + (3/2 × $4.99) + (1 × $6.99) + (3/4 × $3.99)

                  = $18.965

Hence the total price paid is $18.965.

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Answer:

-15

Step-by-step explanation:

We have the expression 3(2p - 5) - 6p and are asked to simplify.

Let's distribute, which is to multiply a number that is outside of a parenthesis bracket by the numbers inside the parenthesis.

3(2p - 5) - 6p

(3(2p) - 3(5)) - 6p

6p - 15 - 6p

Since you can only do changes to like terms and 15 and 6p are two different terms, we do 6p - 6p.

6p - 6p

0

Leaving us with -15.

Answer:

-15

Step-by-step explanation:

Simplify each term.

6p - 15 - 6p

Combine the opposite terms:

Subtract 6p from 6p

0 - 15

Subtract 0 from 15

-15

good luck, hope this helps :)

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┻━┻ ︵ ＼( °□° )／ ︵ ┻━┻ I didn’t do that ¯\_(ツ)_/¯

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‎(ﾉಥ益ಥ）ﾉ  ┻━┻

Answer:

Since [tex]f(0) < f(x) < f(1)[/tex], there is a solution for [tex]f(x)[/tex] between [tex]x = 0[/tex] and [tex]x = 1[/tex].

Step-by-step explanation:

A solution of the polynomial is a root such that sign of dependent value changes, either from positive to negative or from negative to positive. Let [tex]f(x) = x^{3} + 6\cdot x - 5[/tex], [tex]x[/tex] is a solution of the equation if and only if [tex]f(x) = 0[/tex]. We proceed to evaluate the function at each bound:

x = 0

[tex]f(0) = 0^{3}+6\cdot (0) - 5[/tex]

[tex]f(0) = -5[/tex]

x = 1

[tex]f(1) = 1^{3}+6\cdot (1) - 5[/tex]

[tex]f(1) = 2[/tex]

Since [tex]f(0) < f(x) < f(1)[/tex], there is a solution for [tex]f(x)[/tex] between [tex]x = 0[/tex] and [tex]x = 1[/tex].

Answer:

2 in

Step-by-step explanation:

Use the cube volume formula, V = s³, where s is the side length

Plug in 8 as V and solve for s:

V = s³

8 = s³

Take the cube root of both sides:

2 = s

So, the length of one side is 2 inches.

The length of one side of cube will be 2 in i.e. option D.

Volume is the amount of space that something contains or fills.

Volume of the cube = side³ = a³

We have,

Volume of the cube = 8 in³

And,

Side of cube = a

So,

Volume of the cube = side³ = a³

i.e.

8 = a³

⇒ a³ = 8

a = ∛8

On solving we get,

a = 2

i.e.

Side of cube = 2 in

Hence, we can say that the length of one side of cube will be 2 in i.e. option D.

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Answer:

If <1 and <2 are complementary, and <2 and < 3 are complementary, then <1 and < 3 are also complementary.

Step-by-step explanation:

Two angles are complementary when they add up to the same whole. For example, two angles are complementary when they add up to 90 degrees. This is a simple "if A=B, and B=C, then A=C" situation. The angles may have different degrees but all add up to the same one, making them complementary.

Answer:

Do you need the fourmulas?

Step-by-step explanation:

Answer:

The second number = 30

The first number = 25

The third number = 50

Step-by-step explanation:

Let

The second number = x

The first number = x - 5

The third number = 2(x - 5)

Total = 105

105 = x + (x - 5) + 2(x - 5)

105 = x + x - 5 + 2x - 10

105 = 4x - 15

105 + 15 = 4x

120 = 4x

x = 120/4

x = 30

The second number = x

= 30

The first number = x - 5

= 30 - 5

= 25

The third number = 2(x - 5)

= 2(30 - 5)

= 2(25)

= 50

Answer:

4

Step-by-step explanation:

10% in decimal form is .1

You would multiply 40 by .1 or 10%.

10% of 40 is 4.

Answer:

5

Step-by-step explanation:

Answer:

6003 hope i helped you have a nice day

Step-by-step explanation:

Answer:

6003

Step-by-step explanation:

40x30x5+3

so we can omit the zeroes in 40x30 and get 4x3, which is 12. Slap two zeroes on the end. 1200

1200x5 can be 12x5x100, so 60x100. 6000

6000+3=6003

Answer:

AB ≈ 5.6 cm

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos62° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{AB}{BC}[/tex] = [tex]\frac{AB}{12}[/tex] ( multiply both sides by 12 )

12 × cos62° = AB , then

AB ≈ 5.6 cm ( to 1 dec. place )

Answer:

B

Step-by-step explanation:

This triangle has been scaled down from triangle one to triangle two. I didn't have a lot of study on this subject, but the answer that makes most sense to me would be B if you want to keep the triangles proportional

Answer:

NxM= 33 novels

Step-by-step explanation:

11x 3 is 33

Answer:

1/2

Step-by-step explanation:

Answer:

1/2 of the original pizza is left over

Step-by-step explanation:

When solving this question, divide 8 by 4. That will give you one fourth of the pizza. Multiply that by three, and you will get 6. Then divide 6 by 3, to get 2 as one third of 6.

Subtract 2 from 6 to get 4

Answer: 62 degrees

Step-by-step explanation:

Answer:

62 degrees

Step-by-step explanation: