Mathematics High School

(09.01)

Choose the equation below whose axis of symmetry is x = 2. (1 point)

O y=x²-2

O y = x2 - 4x + 2

O y = x2 + 4x + 2

O y=x²-4

Answers

Answer 1

Answer:

y = x2 - 4x + 2 ; y=x²-4

Step-by-step explanation:

Axis of symmetry = - b /2a

y=x²-2

a = 1 ; b = - 2

x = - (-2) / 2(1)

x = 2/2 = 1

y = x2 - 4x + 2

a = 1 ; b = - 4

x = - (-4) / 2(1)

x = 4/2 = 2

y = x2 + 4x + 2

a = 1 ; b = 4

x = - 4 / 2(1)

x = - 4/2 = - 2

y=x²-4

a = 1 ; b = - 4

x = - (-4) / 2(1)

x = 4/2 = 2

Answer 2

Answer:

y = x2 - 4x + 2 ; y=x²-4

Step-by-step explanation:

Related Questions

Find the value of x that will make A||B

Answers

Answer:

15?

Step-by-step explanation:

Answer:

30

Step-by-step explanation:

Mario works at Bluebonnet Ice Cream parior.He earns $87.50 every 7 hours of work.Rachel works at Guadalupe Music Store and earns $39.75 for every 3 hours of work.How does the amount Mario earns per hour compare with the amount Rachel earns per hour?

Answers

Answer:

63

Step-by-step explanation:

A circle has a circumference of 12. What is the area of the circle and how do you find it?

Answers

Answer:36cm

Step-by-step explanation:The area of a circle is pi times the radius squared (A = π r²

a) Diameter is 12cm

; (b) radius is 6cm

; and (c) area is 36πcm2.

Explanation:If r is the radius of a circle, then its circumference is 2πr

and area is πr2.

As circumference is given to be 12π, we have 2πr=12π

or r=12π2π=6cm.

As such radius is 6cm

and diameter being double of radius, diameter is 2×6=12cm.

and area is π×62=36 cm2

.


Please help me I’ll mark brainliest:)

Answers

answer: x=5

explanation: use the pythagorean theorem.
13^2=12^2+x^2
169=144+x^2
25=x^2
x=5

What is the perimeter of the triangle?

A. 13 centimeters
B. 30 centimeters
C. 52 centimeters
D. 169 centimeters

Answers

Answer:

B

Step-by-step explanation:

Answer:

30 is the correct answer

Please help me with my math!

Answers

Answer:

I believe it's A. but that's just what I think sorry I can't really back it up much

The answer is the third option, because the range is -6 and the third option says its greater than or equal to -2.

A cardinal is sitting 15ft up in a tree and spies some birdseed on the ground. If the bird must travel 17.3ft to get from the tree to the birdseed, what is the angle of depression it must fly? Round your answer to the tenth of a degree.

Answers

Answer:

60.1°

Step-by-step explanation:

We solve the above question using the Trigonometric function of Sine

sin x = Opposite/Hypotenuse

x = Angle of Depression

Opposite = 15ft

Hypotenuse = 17.3ft

sin x = 15ft/17.3ft

x = arc sin (15ft/17.3ft)

x = arcsin(0.8670520231213873)

60.117851927°

Approximately Angle of depression = 60.1°

Find the value of x
If 2x = 100​

Answers

Answer:

x=50

Step-by-step explanation:

If 2*x=100

Then x is :

x=100:2

x=50

Step-by-step explanation:

2x=100

x=100/2

x=50.

keep learning sis !

PLEASE THIS IS URGENT.
Find the measure of the arc or angle indicated.​

Answers

Answer: 165

Step-by-step explanation:

Gabriel interviewed his 30 classmates on whether or not they own a bike and live near a pool. He displayed his results in the two way
table shown. Which statement is true?
If a classmate owns a bike then they live near a pool
B)
If a classmate doesn't own a bike than they don't live near a pool
About of his classmates live near a pool and do not own a bike.
D)
A greater percentage of his classmates own a bike and don't live near a
pool than own a bike and live near a pool.

Answers

Answer:

It's C also if this is right can i have brainliest please :)

Using the information displayed on the two-way table, the true statement ls "About 1/3 of his classmates live near a pool and do not own a bike".

From the distribution table :

There are many of his classmates who own a bike and also live near a pool and vice versa.

The number of his classmates who live near a pool and do not own a bike is 10

Total number of class mates = 30

Fraction who do live near a pool and do not own a bike can be calculated thus :

(10 ÷ 30) = 1/3

Hence, about 1/3 of the students live near a pool and do not own a bike.

Learn more : https://brainly.com/question/12530027

Which phrase best describes the association between variables X and Y?


1. Perfect negative association
2. Moderate negative association
3. Perfect positive association
4. Moderate positive association

Answers

2. Moderate negative association

Kamal, Kamala, Krishna invert a sum of RS= 30,000 on a business in the ratio 2 : 3 : 5. Find the each of their investment.​

Answers

Answer:

Kamal 6,000

Kamala 9,000

Krishna 15,000

Step-by-step explanation:

2 + 3 + 5 = 10 units

30,000/10 = 3,000 per unit

2 units = 2 x 3000 = 6,000

3 units = 3 x 3000 = 9,000

5 units = 5 x 3000 = 15,000

1. In which number does the 6 have a value that is one-tenth the value of the 6 in 34,7612
A. 16,305
B. 28,695
C. 51,364
D. 78,426

Answers

I think it's C, I could be wrong though

1. What is the solution set for -4x - 10 ≤ 2 ?
2. What is the value of the expression -9 x 2.2 ?

Please help, thank you.
If you know one of them at least.

Answers

Answer:

x≥−3

Step-by-step explanation:

−4x−10≤2

Step 1: Add 10 to both sides.

−4x−10+10≤2+10

−4x≤12

Step 2: Divide both sides by -4.

−4x−4≤12

−4

x≥−3

Baxter’s dad fills his sandbox to half its capacity. Which equation can be used to find the volume of the sand in Baxter’s sandbox?

Answers

Step-by-step explanation:

You could do Length x Width x Height (of the sandbox) to find the volume of the whole sandbox, and then divide it by 2. That would equal the amount of sand.

Maricow county charges a 4% local fee on all cell phone bills. If a customers bill comes out to 125 what will their bill be including the local fee their bill

Answers

Answer:

$130

Step-by-step explanation:

Given data

Customer bill= $125

Charge= 4%

let us find 4% of $125

=4/100*125

=0.04*125

=$5

Hence the  bill including the local fee is

=125+5

=$130

Find the area and thank

Answers

Answer:

40 meters

Step-by-step explanation:

Same premise as the other question. 12 ÷ 2 = 6 (for the double dashes) and 8 ÷ 2 = 4 (for the single dashes). Add all the numbers up:

[tex]12+8+6+6+4+4=40[/tex]

Answer:

40

..................

Step-by-step explanation:

8 + 6 +4 + 6 + 4 + 12 = 40

solve for x to the nearest ten

Answers

Answer:

in right angled triangle ABC

by using Pythagoras law

h²=p²+b²

x²=7²+10²

x=√149=12.21cm

5. What is the volume of the pyramid? *
5 points
8 in.
6 in.
7 in.
112 in 3
168 in 3
224 in 3
336 in 3

Answers

Step-by-step explanation:

jawabannya

336 in 3

cuma di kali kali

8×7×6=336

Find the total surface area of a Cylinder that has a radius of 6 cm and a
height of 4 cm.

Answers

Answer:

376.99cm

Step-by-step explanation:

translations on a coordinate plane

Answers

Check in my page for questions and someone answer the same question for me

Answer:

check in my page someone will answer it for me

Step-by-step explanation:

then you get your answer


Find the size of x and y
​

Answers

Answer:

x = 50°

y = 50°

Step-by-step explanation:

x = y because it is an isosceles triangle

2x + 80 = 180°

2x = 100°

x = 50°

y = 50°

Help me with this ASAP!!!

Answers

Answer:

136

Step-by-step explanation:

GEMDAS

G - groupings

E - exponents

M - multiply

A - add

S - subtract

How to find the area of each trapezoid step by estep

Answers

Area of a trapezoid is the picture below:
With that being said you just plug the numbers into the formula. I recommend using a calculator.

1. A = 1.5 + 3.3 / 2 x 2.9 = 6.96in^2

2. A = 0.6 + 2 / 2 x 2 = 2.6in^2

3. A = 1.4 + 4 / 2 x 3 = 8.1in^2

4. A = 1.6 + 4 / 2 x 2 = 5.6m^2

Hope this helped!

Evaluate the function requested. Write your answer as a fraction in lowest terms.
Triangle A B C. Angle C is 90 degrees. Hypotenuse A B is 13, adjacent A C is 12, opposite B C is 5.
Find tan A.

Answers

Answer:

sine A = four-fifths

Step-by-step explanation:

You have a rectangle triangle ABC with hypotenuse AB 35, side CB 28 and side CA 21. The angle C is 90°.

tanA =5\12

As

tanA = opposite\adjacent

= BC\AC

= 5\12

What is trigonometry?

Trigonometry is a branch of maths that studies relations between the sides and angles of triangles. Trigonometry is found all throughout geometry, as every straight-sided shape may be broken into a collection of triangles.

Learn more about trigonometry here

https://brainly.com/question/24349828

#SPJ2

Solve the 4 letter code please I need it before midnight, it's not a word.

Answers

Answer:

1. E

2. A

3. B

4. I

Step-by-step explanation:

EABI, try it out, comment if i get it right, i am so f**cking tired right now so sorry if its wrong

If two angles are vertical and one of the angles measures 65 degrees, what is the measurement of the other angle?

Answers

Answer:

65 degrees, because vertical angles are always congruent.

Step-by-step explanation:

I need help on this lol​

Answers

Answer:

-62

Step-by-step explanation:

180-w+49(angles  on  a straight line=180)

angles on a triangle=180

Hence,

         180-w+49+w+17+w-4=180

collect the like terms

180+49+17-4+w+w-w=180

242+w=180

Take 180 to the other side and also w

242-180=-w

62=-w    same as w=-62


HELP PLS ILL MARK BRAINLIST



Solve for the zeros of the equation by graphing and creating a table.


Answers

Answer:

i think its to late to answer... sorry i didnt see it sooner.

Step-by-step explanation:

ill take that brainliest

What is the scale factor in the dilation?
(please help!)

A. 1/6
B. 1/3
C. 3
D. 6

Answers

Answer:

Step-by-step explanation:

6

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