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3 years ago

The people are: Frank, Ruby, Tom, and Wendy

Mathematics

1 answer:

ANEK [815]3 years ago

6 0

Answer:

yo it took me 3 tires and 15 minutes, but i got it. like 5 seconds ago

Step-by-step explanation:

okay one is wrong this an 11/12, but i sped thru it to get the answers, you have to figure out which is incorrect

wendy

(cost)

5.99

wendy

(drink)

water

wendy

(food)

banana

frank

(cost)

6.99

frank

(drink)

milk

frank

(food)

apple

ruby

(cost)

7.99

ruby

(drink)

iced tea

ruby

(food)

iced tea

tom

(cost)

8.99

tom

(drink)

green tea

tom

(food)

mango

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Identify the equation of the circle that has its center at (-16, 30) and passes through the origin.

s2008m [1.1K]

The general equation of the circle is:

(x -xo)^2 + (y - yo)^2 = r^2

Where xo,yo are the coordinates of the center and r is the radius of the circle.

Here (xo,yo) is (-16,30) and you can find the radius.

You can find the radius using the equation of the distance (Pythagoras) between the center (-16,30) and any point on the circunference. Here use (0,0)

r^2 = (-16 - 0)^2 + (30 - 0)^2 = 1156

Then, the equation is>

(x - (-16) )^2 + (y - 30)^2 = 1156

=> (x + 16)^2 + (y - 30)^2 = 1156. <----- answer

4 0

3 years ago

Carmen is taking a road trip. After 25 miles, she reaches a stretch of highway where she can drive at a constant speed of 65 mil

garri49 [273]

Answer:

t > 5

Step-by-step explanation:

Step-by-step explanation:

350 - 25 = 325

325 / 65 = 5

It said to reach over 350 miles, so it’s greater than 5

t > 5

7 0

2 years ago

Read 2 more answers

What is the slope of a line that is perpendicular to 8x+4y=2

il63 [147K]

Answer:

$\frac{1}{2} = m$

Step-by-step explanation:

8x + 4y = 2

-8x - 8x

____________

4y = -8x + 2

__ _______

4 4

y = -2x + ½

↑

rate of change [slope]

* Perpendicular Lines have OPPOSITE MULTIPLICATIVE INVERSE RATE OF CHANGES [SLOPES]:

-2 → ½

I am joyous to assist you anytime.

4 0

3 years ago

On a given blueprint, 1 inch = 12 feet. if the dimensions of a recreation room on the blueprint are 2 inches × 1.75 inches, what

DedPeter [7]

24 feet × 21 feet is the answer

4 0

3 years ago

Find the value of R that will make the equation sin 62° = cos R true when 0° < R < 90°.

Elza [17]

The value of R is 28° (Degrees), if the equation sin 62° = cos R true when 0° < R < 60°.

Step-by-step explanation:

The given is,

sin 62° = cos R

0° < R < 90°

Step:1

Form the given equation,

sin 62° = cos R.......................(1)

Where,

sin 62° = 0.88295

From the value of sin 62, equation (1) becomes

sin 62° = cos R

0.88295 = cos R

R = $cos^{-1}$ 0.88295

R = 27.9997

≅ 28°

R = 28°

Step:2

Check for solution,

From equation 1,

sin 62° = cos R

Substitute R = 28°,

sin 62° = cos 28°

0.88295 = 0.88295

Result:

The value of R is 28° (Degrees), if the equation sin 62° = cos R true when 0° < R < 60°.

6 0

3 years ago