Solve the system of equations by graphing, elimination or
substitution method. Follow one method please.
(3 Points)
y = 2x + 2
y = -x - 4
One Solution (-1, -2)
One Solution (-2, -2)
No Solution

Answer:

B) 12

Step-by-step explanation:

Range is when u subtract the minimum value to the maximum value:

1st period:

Max = 98

Min = 60

Range = max - min

Range = 98 - 60

Range = 38

2nd period:

Max = 96

Min = 70

Range = 96 - 70

Range = 26

Difference between the ranges of the 2 periods:

38 - 26 = 12

Answer:

option 2: 15

Step-by-step explanation:

ΔBOA is a right angled triangle.

By Pythagoras theorem,

[tex] {oa}^{2} = {bo}^{2} + {ba}^{2} [/tex]

[tex] {oa}^{2} = { {9}^{2} } + {12}^{2} [/tex]

[tex] {oa}^{2} = 81 + 144 [/tex]

OA = √225

OA = 15

Answer: 86950

Step-by-step explanation:

Answer:

CAN I ASWER THIS

Step-by-step explanation:

OKAY THANKS

Hold on, our servers are swamped. Wait for your answer to fully load.

Answer:

3 feet

Step-by-step explanation:

The area of banner is 3 because A = l * w. So 2 * 1 1/2. Is 3 feet. Make sure to include the ft. Unit.

Answer:

Cos 68

Step-by-step explanation:

Given the expression 2cos² 34° - 1, we are to expression as a single trig ratio.

Let the angle be theta

Recall that sin²theta + cos²theta = 1

sin²theta  = 1 - cos²theta ... 1

also Cos 2theta = Cos²theta - sin²theta  ... 2

Substitute 1 into 2

Cos 2theta = Cos²theta - (1-cos²theta)

Cos 2theta = Cos²theta - 1 + cos²theta

Cos 2theta = 2Cos²theta - 1

Replace theta with 34

Cos 2(34)= 2Cos²(34)- 1

Cos 68 = 2Cos²(34)- 1

Hence the single trig expression is Cos 68

Answer:

21 + x = 35

x = 14

Hope this helps :)

Answer:

B) 4

Step-by-step explanation:

(x-1+2)^2=(x-1)^2+(2x-4)^2

(x+1)^2=(x-1)^2+(2x-4)^2

x^2+2x+1=x^2-x+1+4x^2-16x+16

0= 4x^2-18x+17-2x-1

4x^2-20x+16=0/4

x^2-5x+4=0

(x-4)(x-1)=0

x-4=0

x=4

hope it helps..

have a great day!!

Answer:

y = 1/4x - 2

Step-by-step explanation:

If two lines are parallel to each other, they have the same slope.

The first line is y = 1/4x. Its slope is 1/4. A line parallel to this one will also have a slope of 1/4.

Plug this value (1/4) into your standard point-slope equation of y = mx + b.

y = 1/4x + b

To find b, we want to plug in a value that we know is on this line: in this case, it is (4, -1). Plug in the x and y values into the x and y of the standard equation.

-1 = 1/4(4) + b

To find b, multiply the slope and the input of x (4)

-1 = 1 + b

Now, subtract 1 from both sides to isolate b.

-2 = b

Plug this into your standard equation.

y = 1/4x - 2

This equation is parallel to your given equation (y = 1/4x) and contains point (4, -1)

Hope this helps!

Answer: v=85/11

Step-by-step explanation: Cross multiply to get 11v=85, divide both sides by 11, and you get v=85/11.

Hope that this helped! Have a great day!!

The probability that the 12-sided solid gets 3 , 9 or 11 is P ( A ) = 1/4 and the expected number of times is n = 45

The probability that an event will occur is measured by the ratio of favorable examples to the total number of situations possible

Probability = number of desirable outcomes / total number of possible outcomes

The value of probability lies between 0 and 1

Given data ,

Let the probability that the the 12-sided solid gets 3 , 9 or 11 be P ( A )

Now , the value of P ( A ) is

Let the number of outcomes when rolling a 12-sided solid = 12

The number of times the solid is rolled = 180 times

So , the total number of outcomes = 12 x 180 = 2160

And , the probability of getting a 3 = 1/12

The probability of getting a 9 = 1/12

The probability of getting a 11 = 1/12

So , the total probability of getting a 3 , 9 or 11 = 3/12 = 1/4

The total expected number of times = 45

Hence , the probability is 1/6

To learn more about probability click :

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Answer:

$6.39

Step-by-step explanation:

100-20=80 then divided by 100 which is .80

.8 times 7.99 is 6.39

hope this helps

Answer:

Both are equal to each other.

Step-by-step explanation:

[tex] \frac{10}{10} = 1[/tex]

[tex] \frac{6}{6} = 1[/tex]

Answer:

None of them are bigger than the other, they are equal to each other.

[tex] \frac{10}{10 } = \frac{6}{6} \\ 1 = 1[/tex]

Answer:

Solution Given :

apothegm [a]=9in

perimeter [p]=13.1×5=65.5in

given

A=1/2 aP=1/2×9×65.5=294.75in²

Answer:

∠1 = 67°

∠2 = 67°

∠3 = 113°

Step-by-step explanation:

∠3 = 113°

∠1 = ∠2

∠1 + ∠2 + ∠3 + 113° = 360°

∠1 = (360 - 113 - 113)/2 = 67°

Answer:

[tex](\sqrt{2})^3[/tex]

Step-by-step explanation:

Given the expression

[tex](x - \frac{1}{x} )^3[/tex]

Simplify

[tex](\frac{x^2-x}{x} )^3[/tex]

Given that x = 1+√2

Substitute

[tex](\frac{(1+\sqrt{2} )^2-(1+\sqrt{2} )}{1+\sqrt{2} } )^3\\=( \frac{1+2\sqrt{2} +2 - 1 - \sqrt{2}}{1+\sqrt{2}} )^3\\= (\frac{\sqrt{2}+2}{1+\sqrt{2}})^3 \\Rationalize\\= (\frac{\sqrt{2}-2+2-2\sqrt{2}}{1-2})^3 \\=( \frac{-\sqrt{2}}{-1})^3 \\= (\sqrt{2})^3\\ \\[/tex]

Answer:

17x5=85

25x6=150

35x10=350

350+150+85=585

answer=585

Answer:

x = 99°

Step-by-step explanation:

first: find the supplement to 123°:

180 - 123 = 57°

second: since all triangle interior angles total a80°:

180 - 42 - 57 = 81°

third: x = the supplement to 81°, so, x = 180 - 81 = 99°

Answer:

Most expensive house she can buy is $79,500

Step-by-step explanation:

The most expensive house that Carlin could purchase would be $79,500, Check the descriptions below:

Given that,

Savings amount = $ 20,000

Range of prices of house = $75,000 to $95,000

Interest at 30 year mortgage for 60,000 = 3.89%

Amount of monthly payment = below $ 400

Based upon these conditions,

The house that she can purchase post rounding off to the nearest 500 would be:

= 20,000 + 59,467

= $79,500

Thus,  $79,500 would be the correct answer.

Learn more about "Round off" here:

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9514 1404 393

Answer:

  45.6°

Step-by-step explanation:

The attached result was found by typing "arccos(7/10) in degrees" into a web browser search box.

Your calculator can give you the same result. The inverse cosine function often shares a key with the cosine function. It is often marked as cos⁻¹. Be sure that the angle mode is set to degrees, not radians.

Answer:

C=15

Step-by-step explanation:

If R=7.5 & C=2R, C=2(7.5) C=15

Answer:

The standard form of the equation of a circle is,

                       (x - h)² + (y - k)² = r²

where the center is at (h, k) and its radius is r. Not sure what the equation would be sorry.

Step-by-step explanation:

Answer: Question 5 is 167

Question 6 is 70

Question 7 is 115

Step-by-step explanation:   For these ones you want to subtract from 180 by the number it gives you. For an example If m<2=13 and find m<4 it would be like this 180-13=167.

Answer:

$13912.50

Step-by-step explanation:

First you find how much carpet you need by finding the area of the room.

18.75*28= 525ft^2

Then multiply the amount of carpet needed by 26.50 to find the total cost.

525*26.50= 13912.50

Hope this helps!

Answer:

c

5x=5x so when five Cross the=sign

5x-5x=0

Answer: The answer is 194

Answer:

[tex]\frac{x^2}{3} - \frac{x}{3} - 44 =\frac{(x -12)(x+ 11)}{3}[/tex]

Step-by-step explanation:

Given

[tex]\frac{x^2}{3} - \frac{x}{3} - 44[/tex]

Required

Solve

Take LCM

[tex]\frac{x^2 - x - 132}{3}[/tex]

Expand

[tex]\frac{x^2 +11 x -12x- 132}{3}[/tex]

Factorize:

[tex]\frac{x(x+11) -12(x+ 11)}{3}[/tex]

[tex]\frac{(x -12)(x+ 11)}{3}[/tex]

Hence:

[tex]\frac{x^2}{3} - \frac{x}{3} - 44 =\frac{(x -12)(x+ 11)}{3}[/tex]

Answer:

Step-by-step explanation:

3x+4(-0.5x+8)=36

3x-2x+32=36

X=36-32

X=4