MATHEMATICS MIDDLE SCHOOL

What is the range of r=-2cos5θ? Does it have any asymptotes?

Answers

Answer 1

Answer:

Answer:NO IT DONT (T_T)

Step-by-step explanation:

Answer 2

Answer:

Answer:

none

Step-by-step explanation:

f(x) = 5x+6

This is a linear equation

and its graph will be a straight line

Domain = (-∞,∞)

Range = (-∞,∞)

And

Asymptote = none

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The sum of two numbers is 150 the ratio of the same number is 3:2 find the bigger number

Answers

$3x-\ bigger\ number\n2x-\ smaller\ number\n\n3x+2x=150\n\n5x=150\ \ \ | divide\ by\ 5\n\nx=30\n\n3x=3*30=90\n\n Bigger\ number\ is\ 90.$

What is 1.323 as a percent

Answers

1.323 as a percent is 132.3% because you take the decimal and move it two spaces to the right->

132.3% you have to move two times to the right from the decimal to make it a percent and if u want to make it a decimal than u move two places to the left. U could remember the rule by the drink of Dr.Pepper but its DP my teacher taught me that for a trick

Divide. Draw a quick picture. 143 divided by 11

Answers

A 143 divided by 11 equals 13.

To calculate 143 divided by 11 using long division, follow these steps:

Place the dividend (143) inside the long division symbol, and write the divisor (11) outside the symbol.
Check how many times 11 can be divided into the first digits of the dividend (1). The result is 1 because 11 * 1 = 11, and this is the largest multiple of 11 that fits into 14 (the first two digits of 143).
Write the result (1) on top, above the 4 (the first digit of 143).
Multiply 11 by 1 (the quotient), which equals 11, and write the result under 14.
Subtract 11 from 14 (14 - 11 = 3).
Bring down the next digit (3) to form 33.
Check how many times 11 can be divided into 33. The result is 3 (11 * 3 = 33).
Write 3 on top, above the 3.
Multiply 11 by 3, which equals 33, and write the result under 33.
Subtract 33 from 33 (33 - 33 = 0).
As there's no remainder and all the digits have been brought down, the final result is 13. So, 143 divided by 11 equals 13.

To know more about divided:

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143 divided by 11 equals 13

45 - k = 27; 17, 18, 19

Answers

The answer would be 18 because you would subtract 45 from 27.

45 - k = 27

45 - 27 = k
45 - 27 = 18

Answer: k = 18

What is the sum of the angles on a straight line?

Answers

The answer is:

180°

Hope this helped! <3

The sum of angles on a straight line is always 180 degrees.

What is the surface area of this prism? A. 3240 m2 B. 6480 m2 C. 1656 m2 D. 3312 m2

Answers

Answer:

The surface area of the prism is $1656 m^2$ .

Step-by-step explanation:

In order to obtain the surface area we need to find the areas of all the sides. Then, we have two triangles and three rectangles.

Let us find the area of the triangles and denote it by $A_1$ . Notice that both triangles are equal. We know that the area of a triangle is

$A_t = bh/2$

where $b$ stands for the length of the base, and $h$ stands for the length of the height. From the figure we know that $b=18m$ and $h=12m$ . Hence, the area of the triangle is

$A_t = bh/2=12\cdot 18/2=108 m^2.$

To obtain the area of both sides we only need to multiply $A_t$ by two:

$A_1=2A_t=216 m^2.$

Let us find now the area of the bottom rectangle and denote by $A_2$ . The area of the rectangle is $A_r = bh$ , where $b$ stands for the length of the base, and $h$ stands for the length of the height. From the figure we know $h=18m$ and $b=30m$ . So,

$A_2=30\cdot 18 = 540m^2$ .

For the other two rectangle notice that they have the same dimensions: the length of the base is 30m and the length of the height is 15. So, the area of one of them is

$A_3=30\cdot 15 = 450m^2$ .