MATHEMATICS HIGH SCHOOL

Find the slope of the line.The slope of the line is .
(Type an integer or a simplified fraction.)
Find the slope of the line. The slope of the - 1

Answers

Answer 1
Answer:

(x,y) has the meaning of an application from R to R in which to every element x, the application assign's the y element. (x,y) has the meaning of plane's point coordinates. The first x is the horizontal coordinate (abscissa) and second is the vertical coordinate (ordinate). Both are coordinates.

  • Step.2
  • y= -3/1x+1

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What is the value of x? Round your answer to the nearest tenth if necessary.14.3 Right triangle whose two legs measure fourteen and x, and whose hypotenuse measures twenty
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A student needs to make a circular cardboard piece with an area between 154 square inches and 616 square inches. The function f(r) relates the area of the cardboard piece, in square inches, to the radius r in inches. Which of the following shows a reasonable domain for f(r)?A) 7 < r < 14
B)154 < r < 616
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Question 35 (Multiple Choice Worth 1 points)

(04.02)

An expression is shown below:

square root of 18 plus square root of 2

Which statement is true about the expression?

A) It is rational and equal to 3.
B)It is rational and equal to 4.
C)It is irrational and equal to 3 multiplied by the square root of 2.
D) It is irrational and equal to 4 multiplied by the square root of 2.

Answers

Given:
circular cardboard with an area between 154 in² and 616 in²

Area of a circle = πr²
154 in² = 3.14 * r²                     616 in² = 3.14 * r²
154 in² / 3.14 = r²                      616 in² / 3.14 = r²
49 in² = r²                                  196 in² = r²
√49 in² = √r²                             √196 in² = √r²
7 = r                                          14 in = r

Radius is between 7 inches and 14 inches. ⇒ A) 7 < r < 14

√18 + √2 = √9 *2 + √2 = 3√2 + √2 = (3+1) √2  = 4√2

D) It is irrational and equal to 4 multiplied by the square root of 2.

Help with radicals, questions down in attachments.

Answers

we can't solve first 2 because of missing diagramd
but, longest side=hypotonuse=c
other 2 sides=legs=a and b
a^2+b^2=c^2
\sqrt{a^(2)+b^(2)}=c

last 2
1.
remember that
longest side<sum of other 2 sides or else you can't make a traignel
5+7=12
12<13
13 is longest side
13<12 is false
therefor it is false that it is a triangle
not a triangle


2.
\sqrt{ (x)/(y) } = ( √(x) )/( √(y) ) so
\sqrt{ (20)/(7) } = ( √(20) )/( √(7) ) =(4√(5) )/(√(7) )
rationalize denomeator by multplying by ( √(7) )/( √(7) )

(4√(35) )/(7)

I don't understand what I'm supposed to do here. I have a test on this tomorrow so if you explain how to do it that would be great.

Answers

Here is a little tip for this: The unit above cancels the unit below. So in this problem you are asked to convert pounds to ounce. So your equation will look like this. 

ounce = 2.93 pounds ( (16 ounces)/(1 pounds) ) = 46.88
Your ratio should involve the conversion factor. So 16 and 1 is involved canceling A and D. Then, Notice that you started with poubls. Then the ratio must have pounds at the bottom to cancel the units leaving ounces. 

What's the answer for 7r-5=10

Answers

Hi Brainiac


7r= 10+5

7r= 15

Divide both sides by 7

7r/7= 15/7

r= 5/7

or the decimal will be r= 2.14


I hope that's help:0

What is 2187 divided by 9 to the power 3?

Answers

no, you have to do exponents first.
9×9×9=729
2187÷729=3

A sailor on Ship A measures the angle between Ship B and the pier and finds it to be 39°. A sailor on Ship B measures the angle between Ship A and the pier and finds that it is 58°. What is the measure of the angle between Ship A and Ship B?The measure between Ship A and Ship B is

Answers

Answer:

83^(\circ)

Step-by-step explanation:

Let C be the point that denotes the pier.

m\angle B=58^(\circ)

m\angle A=39^(\circ)

The angle between A and B is C

m\angle A+m\angle B+m\angle C=180^(\circ)\n\Rightarrow m\angle C=180^(\circ)-(m\angle A+m\angle B)\n\Rightarrow m\angle C=180^(\circ)-(58^(\circ)+39^(\circ))\n\Rightarrow m\angle C=83^(\circ)

The measure of the angle between Ship A and Ship B is 83^(\circ).
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