Mathematics High School

Pre-calc, need some help.
Which parametric equations represent y = – |x|? Check all that apply.
x = –t and y = |–t|
x = t2 and y = –|t2|
x = 2t and y = –|2t|
x = t3 and y = |t3|
x = t + 4 and y = –|t + 4|

Answers

Answer 1

Answer:

C and E

Step-by-step explanation:

x= 2t and y= -|2t| / x= t + 4 and y= -|t + 4|. I got in right on edg

Answer 2

Answer:

3,5

Step-by-step explanation:

did the assignment

Related Questions

find the length of x
urgent pls help.

Answers

4. The two triangle are congruent.

Answer:

Step-by-step explanation:

the triangles are congruent and the factor is 1/2

x=8/2=4

The distance traveled by a falling object, d(t),seconds is described by this function
d(t) = 1/2(9.8)t^2
What is the average rate of change of the object as it falls from second 2 to second 5
4.9 meters per second
A.
B.
14.7 meters per second
C
34.3 meters per second
D 102.9 meters per second

Answers

The Answer is B. 14.7 meters per second

enter the unknown value to make this statement true 20% of ?
is 40

Answers

200.

Explanation:

20% of 100 is 20.

Or 20/100.

We can find the equivalent fraction to get to 40 as the numerator.

To get an equivalent fraction, we must multiply both numbers by the same amount

20 x 2 is 40
—
100 x 2 is 200

40/200 = 20%

Hope this helps!


Please help I’m struggling

Answers

The answer should be B

Step-by-step explanation:

Only bc it's asking which angle is the same as The points DOF and if you look at the points closely, you'll see a similarity in the angles. So B should be the answer.

If it's not right I deeply apologise.

B would be the correct have a wonderful day and stay blessed I hope u pass

34
Sandwiches
Tuna
Here are the types of sandwiches sold in a cafe last week.
56 tuna sandwiches were sold.
This was 40% of the total number of sandwiches sold.
Work out the total number of sandwiches sold.

Answers

140 sandwiches sold :)

HALPPPPP PLZZZ I'll give Brainliest for the first answer CORRECT

Answers

Answer:

Since it is area, it is most defined as base times height, so the larger rectangle would be 9x14 which is 126 and the smaller rectangle is 6x8 which is 48, and since they are together in one shape, you can add both areas which would give you an answer of 174

Step-by-step explanation:

5 + {[2 × (14 − 9)] − 1}

Answers

it will be 14.
i’ll attach an image to show work

kale is a leafy green vegetable that is low in calories

Answers

Answer:

Yes

Step-by-step explanation:

Its 100% true :)

Answer:

yes this is true

Step-by-step explanation:

HAVE A GREAT DAY!!!!!!!!!!!!!!

x = (blank) degrees and adding letters so i can ask the question

Answers

x = 47 degrees

It’s part of a supplementary angle. 180-133 = 47.

Answer:

x = 47°

Step-by-step explanation:

Since CPD is a straight line, then

133 and x are adjacent angles and supplementary, sum to 180° , then

x + 133° = 180° ( subtract 133° from both sides )

x = 47°

help please me i will gibe brainlest

Answers

Answer:

Where is the question?

Step-by-step explanation:

I don't see a question do you??

Find the value of x.A.55B.25C.35D.10

Answers

Answer:

D hope that help c: yhisj

6 is 4% of what
number?

Answers

Answer:

150

Step-by-step explanation:

since 4 percent would have to be multiplied by 25 to get 100 you have to multiply 6 by 25. This comes out to 150. You can even check this by doing 150 times 0.04 which is 6 so we are correct!

Dorcas walks a distance of 18 km from home to school at a speed of 6km/h how long does she take to arrive at school?

Answers

Time = distance / speed

Time = 18 km / 6 know

Time = 3 hours

Answer:

[tex] \bf \huge 3 \: hours[/tex]

Step-by-step explanation:

Given that :

Dorcas walks a distance of 18 km from home to school at a speed of 6km/h.

to find :

how long does she take to arrive at school ?

formulas used :

time = distance / speed

let us assume :

time = t

explanation :

⟼ distance = 18 km

⟼ speed = 6 km/h

⟼ t = distance / speed

⟼ t = 18/6 h

⟼ t = 3h

⟼ time = 3 hours.

∴ dorkas take 3 hours. to arrive at school.

what is the sum of the exterior angels of a 28 sided polygon ?

Answers

Answer: All polygons follow a rule that the sum of their exterior angles will equal 360 degrees.

Simplify. Keep your answer in exponent form.
:) help

Answers

((-6)³)^6

3×6=18

power=18

(-6)^18

Jesse makes a 6% commission on every sale he makes, if he sold $875 worth of items this week, how much will he make in commission?

Answers

$52.5

Add $875 + 6% then get $52.5.... BTW an iPhone has a percent calculator just turn it to the side ;)

If a tree casts out a 24 foot shadow at the same time that a yard stick casts a 2 foot shadow, find the height of the tree

Answers

Answer:

10x = 75 100 ft X = 7.5 3.

Step-by-step explanation:

The point (-2, 1) is on the graph of which of these functions?

A. y = -x^2 - 1
B. y = x^2 + 3
C. y = 1/2x
D. y = -3x - 5

Answers

Answer:

-3 is the answer

Step-by-step explanation:

Answer: its A

Step-by-step explanation: Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Direction: Opens Down

Vertex:

(0,−1)

Focus: (0,−54)

Axis of Symmetry: x=0

Directrix: y=−3/4

x y

−2 −5

−1 −20

0 −1

1 −2

2 −5

Your brother is 13 your age. Your sister is 4 years older than your brother. Your sister is 9 years old. Write and solve an equation to find your age a.

An equation is
???=9.

You are
??? years old.

Answers

answer:

if you rounded it the answer is 15 years old!

step-by-step explanation:

when know that your sister is 9 years old, so lets start off with that. because your sister is 4 older then your brother then that must mean that you brother is 5 years old

9-4

= 5

we also know that you brother is 1/3 your age so divide 5 by 1/3 or .33

5/ .33

= 15.15

but since it looks like we only need the whole number. just round down to 15 since your age is not close enough to round up to 16

( here is a tip i have gotten for rounding )

1-4 stay on the floor

5-9 climb the vine

haha they might sound super du-mb but they have helped me when i was younger!

hope this helps you and if you ever need anymore help/questions just ask me! :)

Priscilla is 24 inches tall. There are 2.54 centimeters in 1 inch. What is Priscilla's height in centimeters?

Answers

2.54 cm in 1 inch
Priscilla is 24 inches tall.

24 x 2.54cm = 60.96cm
Therefore, Priscilla is 60.96cm tall

Can you answer and explain this to me?

Answers

9514 1404 393

Answer:

  (a)  y^6/x^4

Step-by-step explanation:

The applicable rule of exponents is ...

  a^-b = 1/a^b

__

  [tex]\displaystyle x^{-4}y^6=\frac{1}{x^4}\cdot y^6=\boxed{\frac{y^6}{x^4}}[/tex]

why am i failing my LIFE ?

Answers

Answer:

I dont know cause I am too

Jen is renting a mountain bike . The bike rental shop charges a $55 deposit for the bike and helmet plus an additional $15 per day

Answers

whats your question?

Answer:

55+15x is the equation for amount of money it costs

Step-by-step explanation:

55 is deposit you have to pay no matter what and the x represents number of days you are renting, and per day you will have to pay 15 dollars so $15 x number of days + the 55 deposit is the equation but again, i dont know what the question is exactly

Luke is a locksmith. On weekends he gets paid \$ 64 . 50 per hour, plus a flat rate service fee of \$ 75 for every job. ​ ​On this Saturday he has three separate jobs that will take 1 1/2, 1/4, and 1 1/4 hours to complete respectively

Answers

Answer:

Luke will earn $ 418.50.

Step-by-step explanation:

Given that on weekends Luke gets paid $ 64.50 per hour, plus a flat rate service fee of $ 75 for every job, and on this Saturday he has three separate jobs that will take 1 1/2, 1/4, and 1 1/4 hours to complete respectively, to determine the money you will earn on the day the following calculations must be made:

(75 x 3) + (1.5 x 64.5) + (0.25 x 64.5) + (1.25 x 64.5) = X

225 + 96.75 + 16.125 + 80.625 = X

418.50 = X

So, all Saturday, Luke will earn $ 418.50.

how do i put that on a line?please help me.

Answers

Plot the dot on the -12 but when u plot the dot its not gonna be the dark dot so click it twice and the line is going to the right

Karla has a cylindrical candy jar that is 5 inches tall and has a radius of 1.25 inches. The candy jar is 75% full. How much volume is in the candy jar? *Remember, the candy jar is not full. You are only looking at 75% of the jar 18.41

Answers

Answer:

I think the answer is 18.3984375 inches

i need help on this!! please help

Answers

Answer:

p+33+p-19+2p-46=180

Step-by-step explanation:

Add all your variables and all your numbers and then simplify

Answer:

p=53

Step-by-step explanation:

(p-19)+(p+33)+(2p-46)=180

53-19=34

53+33=86

2(53)-46=60

34+86+60=180

p=53

Question 3
The CEO of Hot Tires compares factory production for his two factories using the data in the table shown below.
Factory A Factory B
Production Production
Monday 102
112
Tuesday 106
119
Wednesday 114
105
Thursday 98
96
Friday
101
113
Which inference is valid?
A
Factory B produced more tires than factory A because factory B has a median of 112 and factory A has a median of 102
B
Factory B has less variability in production because the range for factory B is smaller than the range for factory A.
с
Factory A has less variability in production because the range for factory A is greater than the range for factory B.
D
Factory B produced more tires than factory A because factory Bhas a mean of 109 and factory A has a mean of 104.2.

Answers

B I believe if not sorry

Please help, need help on problem will mark BRAINLIEST AND 5 STARS

Answers

Answer: positive, linear association

Step-by-step explanation: that is the answer, because the dots are rising up in a slope

Answer:

The answer is simple: Positive, linear association. Why is that? It is moving from left to right, increasing as it goes. That is a sign of a positive slope. And, this has a linear association because the points are jumbled together in a clear direction, so we know that we can place a line of best fit.

Use the area of the rectangle to find the area of the triangle,
6.ft
7 ft
A. The area of the triangle is 42 square feet, because the area of the
rectangle is 42 square feet
B. The area of the triangle is 21 square feet, because the area of the
rectangle is 21 square feet.
C. The area of the triangle is 21 square feet, because the area of the
rectangle is 42 square feet.
D. The area of the triangle is 26 square feet, because the area of the
rectangle is 24 square feet

Answers

Answer:

The correct answer is C:

The area of the triangle is 21 square feet, because the area of the

rectangle is 42 square feet.

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