On a large sheet of graphing paper, Joan has drawn a picture of a castle by connecting vertex points on the grid. She decides that the picture would look better if it were reversed, changing the left side for the right side and the right side for the left. The vertex point that marks the top of the castle's flagpole is at (122, 73). If she reflected the picture across the y-axis, then what would be the new coordinates for the top of the flagpole? Type your answer as an ordered pair, like this example: (-12, 34).

Answers

Answer 1

Answer: (-122,73). You just have to make the x coordinate negative. But beware do not make the y coordinate negative.

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The product of 1.3 times 10 Superscript negative 4 and a number n results in 2.6 times 10 Superscript 12. What is the value of n?2 times 10 Superscript negative 82 times 10 Superscript negative 32 times 10 Superscript 162 times 10 Superscript 48
Smith elementary school scored 30 less points in their track meet than Jones elementary school. If Jones elementary school scored x points, write an expression to represent how many points Smith elementary school scored.A) 30x B) x+30 C) x-30 D) 30-x
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Find the square root of 7-2√5

$4 √(40) + 7 √(160)$

Answers

Answer:

Step-by-step explanation:

4 $4√(40) + 7 √(160) = 4√(2*2*2*5) + 7√(4*4*5*2)\n = 4*2√(10) + 7*4√(10)\n = 8√(10) + 28√(10) \n$

= (8 + 28)√10

= 36√10

Answer:

36 $√(10)$

Step-by-step explanation:

Using the rule of radicals

$√(a)$ × $√(b)$ ⇔ $√(ab)$

Simplifying the radicals in the expression

$√(40)$

= $√(4(10))$

= $√(4)$ × $√(10)$ = 2 $√(10)$

$√(160)$

= $√(16(10))$

= $√(16)$ × $√(10)$ = 4 $√(10)$

Thus

4 $√(40)$ + 7 $√(160)$

= 4 × 2 $√(10)$ + 7 × 4 $√(10)$

= 8 $√(10)$ + 28 $√(10)$

= 36 $√(10)$

If an 8 min 22-second video is played at .25 the original speed, how long will it take to watch the video?

Answers

Answer:

33.67 Minutes

Step-by-step explanation:

8 m 22 s divided by 1/4

it should take around 32 minutes

Solve and check. r\6=5 2\3

a. 34

b. 30 2\3

c. 20

d. 17\18

ASAP

Answers

r/6 = 5 2/3

Multiply 6 to both sides:

r = 5 2/3 * 6

Convert 5 2/3 into an improper fraction:

r = 17/3 * 6

Multiply 6 to the numerator:

r = 102/3

Divide:

r = 34

So your answer is A

the answer is A. R= 34

Twenty-two is what percent of 55?A.
22%

B.
40%

C.
250%

D.
50%

Answers

Answer:

Option B is correct.

Twenty-two is 40 percent of 55

Step-by-step explanation:

Let x be the number.

As per the statement:

Twenty-two is x percent of 55

Solve for x:

Twenty-two is x percent of 55

"of" means multiply

⇒ $22 = (x)/(100) * 55$

Divide both sides by 55 we get;

$(22)/(55) = (x)/(100)$

Simplify:

$(2)/(5) = (x)/(100)$

Multiply both sides by 100 we have;l

$x = (2)/(5) * 100$

Simplify:

x = 40%

Therefore, Twenty-two is 40 percent of 55

To find the percentage
that 22 is for the actual number 55 = (22/55) * 100
      = (2/5) * 100
      = 2 * 20
      = 40 percent
So the correct option among all the options given in the question is option "B".Most of the information’s that are required for solving thisproblem is already given in the question. I hope the procedure for solving theproblem is also clear for you to understand. In future you can always use thismethod for solving similar problems.

An initial investment of $60.00 increases in value by 15% each year. Which of the following statements are true? Select all that apply. This function can be represented by the quadratic equation f(x)=0.15(x+60)^2 This situation can be represented by the exponential function f(x)=60 x 1.15^x This function has no x-intercept After 4 years the value of the investment will be $120.00 After 6 years the value of the investment will be $653.00 After 7.86 years the value of the investment will be 3 times the initial value After 8 years the value of the investment will be $184.00

Answers

Given:
initial investment = $60.
increase in value by 15% each year

The function that best represents the above problem is: f(x) = 60 * (1.15)^x

f(4) = 60 * (1.15)⁴ = 60 * 1.75 = 105.00
f(6) = 60 * (1.15)⁶ = 60 * 2.31 = 138.60
f(7.86) = 60 * (1.15)⁷.⁸⁶ = 60 * 3 = 180
After 7.86 years the value of the investment will be 3 times the initial value
f(8) = 60 * (1.15)⁸ = 60 * 3.06 = 183.60
After 8 years the value of the investment will be $184.00

What is 4/9÷2/3 show work please!

Answers

$(4)/(9)$ ÷ $(2)/(3)$

First, apply the rule: a ÷ $(b)/(c)$ = a × $(c)/(b)$
$(4)/(9)$ × $(3)/(2)$
Second, apply the rule: $(a)/(b)$ × $(c)/(d)$ = $(ac)/(bd)$
$(4x3)/(9x2)$
Third, multiply 4 × 3 to get 12, and 9 × 2 to get 18.
$(12)/(18)$
Fourth, find the GCF of 12 and 18.
Factors of 12: 1, 2, 3, 4, 6, 12
Factors of 18: 1, 2, 3, 6, 9, 18
The GCF is 6.
Fifth, divide the numerator by the GCF.
$12$ ÷ 6 = 2
Sixth, divide the denominator by the GCF.
18 ÷ 6 = 3
Seventh, rewrite your fraction.
$(2)/(3)$

Answer as fraction: $(2)/(3)$
Answer as decimal: 0.6667

4/9*3/2=12/18 simply 2/3 the answer is 2/3

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How would I write these problems?

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