1.
Which of the following is a quadratic function?
(1) y = 2x + 7
(3) y = x' + 3x2 – 2x +1
(2) y = x2-1
(4) y = 2*

Answers

Answer 1

the answer is 3 hopw this helps


Related Questions

I need help with part b and c, I did a already ​

Answers

Answer:

a) V = 35.1 in.^3

b) V = 288 pi in.^3

c) h = 2.7 in.

Step-by-step explanation:

a)

radius of base = 2 in.

height = 8 in.

volume of cone = (1/3)(pi)(r^2)h

V = (1/3)(pi)(2 in.)^2(8 in.)

V = 35.1 in.^3

You are correct.

b)

You must leave the answer in terms of pi, so do not use 3.14 or another approximation for pi.

radius of base = 6 in.

height = 24 in.

volume of cylinder = (pi)(r^2)h

V = (1/3)(pi)(6 in.)^2(24 in.)

V = 288 pi in.^3

c)

volume = 288 pi in.^3

radius = 18 in.

288 pi in.^3 = (1/3)(pi)(18 in)^2 h

288 in. = (1/3)(324)h

288 in. = 108h

h = 2.666 in.

h = 2.7 in.

lin run 5 laps around a track in 10 minutes. How many minutes per lap is that​

Answers

Djheekhdkdjfjsj 8376

Divide and check the quotient and remainder of 6971÷47​

Answers

Answer: 148.32 (Rounded) 148.3191489 (Unrounded)

Step-by-step explanation:

Answer:

hope it is helpful

plz mrk it as brainliest

What is the name of a 16-sided polygon?

heptadecagon
16agon
16-gon
decahexagon

Answers

The answer is a Hexadecagon


A dressmaker needs to cut 18-inch pieces of ribbon from rolls of ribbon that are 6 feet
in length. How many 18-inch pieces can the dressmaker cut from 10 of these rolls of
ribbon?
Before you try that problem, answer the question below.
How many inches of ribbon does the dressmaker have, in
total?

Answers

You have 10 rolls and each is 6 feet so therefore you have 60 feet of ribbon. Convert that to inches you need to multiply by 12 so 60 x 12 = 720 inches of ribbon.
If the dress maker needs 18 inch pieces you divide to 720 by 18.
720 divided by 18 will give you 40 pieces.

Final answer:

The dressmaker will get 40, 18-inch pieces of ribbon from 10, 6 foot rolls.

One interior angle of a triangle is 30⁰. The other angle measures are x⁰ and y⁰. Which of the following could be the values of x and y? Select ALL that apply

Answers

Step-by-step explanation:

One interior angle of a triangle = 30⁰ .

The measure of other two are x and y .

We know that the angle sum property of a triangle is 180⁰ .

=> x + y + 30⁰ = 180⁰

=> x + y = 180⁰ - 30⁰.

=> x + y = 150.

Possible solution set of x and y are ,

(1,149) (2,148 ) ...... (148+2) & (149+1)

Basically we are here decreasing y and increasing x to obtain the values .

Hope it helped !

I need help ASAP will mark you the brainliest

Answers

Answer:

62.5 m

Step-by-step explanation:

Proportions:

10/20 and x/125

-cross multiply

20x = 125*10

20x = 1250

20x/20 = 1250/20

x = 62.5

Which expression is equivalent to
Xy2/9

Answers

Answer:

x(^9 radicand y^2)

Last option

2.
Find the Area of the Shaded Region. (15 pts)
2 m
7 m
12 m
10 m

Answers

Answer:

120 - 14 = 106

Step-by-step explanation:

7 x 2 = 14

10 x 12 = 120 therefore you,

120 - 14 = 106

The area of the shaded region is 106 m².

We have,

The area of the rectangle:

= length x width

From  the figure,

Bigger rectangle dimensions:

Length = 12 m

Width = 10 m

Smaller rectangle dimensions:

Length = 7 m

Width = 2 m

Now,

The shaded region.

= Area of the bigger rectangle - Area of the smaller rectangle

= 12 x 10 - 7 x 2

= 120 - 14

= 106

Thus,

The area of the shaded region is 106 m².

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III III Fill in the blanks to write the number 880.328 in expanded form: 880.328 = 800 + +0.3 + + 0.008​

Answers

Answer:

880.328 = 800 + 80 +0.3 + 0.02 + 0.008​

I need help please help me out I dont understand

Answers

Answer:

24x² - 46x + 7

Step-by-step explanation:

Area of the shaded region = area of the larger square - area of the smaller square

✔️Area of the larger square = s²

= (5x - 4)²

= (5x - 4)(5x - 4)

= 5x(5x - 4) -4(5x - 4)

= 25x² - 20x - 20x + 16

= 25x² - 40x + 16

✔️Area of smaller square = s²

= (x + 3)² = (x + 3)(x + 3)

= x(x + 3) +3(x + 3)

= x² + 3x + 3x + 9

= x² + 6x + 9

✔️Area of the shaded region = (25x² - 40x + 16) - (x² + 6x + 9)

= 25x² - 40x + 16 - x² - 6x - 9 (distributive property)

Ad like terms

= 24x² - 46x + 7

cool/3d18c3ab-98a2-4989-9e70-1d62f58e3bcf/Showitem?returnView=&studentItemid=0&backPath Question 3 of 17 A room has dimensions 10'6" X 14'. What is the perimeter of the room? ​

Answers

Answer:

Perimeter = 2*Length + 2*Width

                = 2(10’6”) + 2(14)

                = 21’ + 28’

                = 49’

Step-by-step explanation:

Need this answer please

Answers

Answer:

line s

Step-by-step explanation:

Answer:

your answer will be line r

Step-by-step explanation:

hope it help

If fg(x) = 2x + 1, and f(x) = x + 2, find g(5) and g-'f'(1).​

Answers

Answer:

g(5) - f(1) = 8

g(5) = 11

Step-by-step explanation:

Given:

g(x) = 2x + 1

f(x) = x + 2

Find:

g(5)

g(5) - f(1)

Computation:

g(x) = 2x + 1

g(5) = 2(5) + 1

g(5) = 11

f(x) = x + 2

f(1) = 1 + 2

f(1) = 3

g(5) - f(1) =11 - 3

g(5) - f(1) = 8

I need help thank you

Answers

Answer:

3 1/2

Step-by-step explanation:

That is the largest value.

Answer:

3 1/2 ounces

Step-by-step explanation:

That is the biggest number on the graph.

OF FRACTIONS
EXERCISE 8-2
Solve these problems. Show your work,
(1) An interior wall of a house is made up of
2 x 4 studs covered on each side with 3/4 in.
wallboard. If the actual width of a 2 x 4 stud
is 3 5/8 in., what is the total thickness of the
wall?

Answers

Answer:

qsyyyyyy                                                                                                          ;-;                  

2. Write the coefficient of 'a' in each of the following termi) '5ax' (ii) '-4ab' (iii) '38abc' iv) '-24 ab^(2)c'​

Answers

Answer:

The coefficients are:

[tex](a)\ 5x[/tex]

[tex](b)\ -4b[/tex]

[tex](c)\ 38bc[/tex]

[tex](d)\ -24b^2c[/tex]

Step-by-step explanation:

Required

The coefficient of a

To get the coefficient, we simply remove a. The remaining terms is the required coefficient

Solving (a):

[tex]Expression = 5ax[/tex]

Remove a

5x:

Hence, the coefficient is 5x

Solving (b):

[tex]Expression = -4ab[/tex]

Remove a

-4b

Hence, the coefficient is -4b

Solving (c):

[tex]Expression = 38abc[/tex]

Remove a

38bc

Hence, the coefficient is 38bc

Solving (d):

[tex]Expression=-24ab^2c[/tex]

Remove a

[tex]-24b^2c[/tex]

Hence, the coefficient is [tex]-24b^2c[/tex]

The value of a house is expected to increase by 5% per year over the next several years. The current value of the house is $175,000. Is this situation an example of exponential growth or exponential decay?

Answers

Answer:

Exponential Growth

Step-by-step explanation:

This would be a case of decay if the value of the house were to decrease by 5% but since it is an increase, it is in fact, growth.

2/9 of the students in a school are in 6th grade.
Which thing is the independent variable? Which thing is the dependent variable?

please help

Answers

Answer:

depended is the 6th grade

independed the 2/9 students

-by-step explanation:

3.1 Write the following in scientific notation
a) 217 000 000 b) 0,000 253​

Answers

Answer:

2.17 x 10^8

0.253 x 10^-4 if number is 0.000253 or 2.53 x 10^2 if number is 253

Step-by-step explanation:

I need help with this question​

Answers

Answer:

V would go to (6,-3), S (4,-2), T (4,2), U (6,6)

Step-by-step explanation:

move each point right 10 points, and down 2 points. :)

Sorry I don’t have roller

Best luck with your studying

Johnny uses a mirror placed on level ground to measure the height of a building. Johnny's eyes are 6 feet above the ground and he stands 4 feet away from the mirror. From that distance, Johnny is able to see the top of the building in the mirror as shown in the diagram below.


If the mirror is 45 feet away from the building’s base, how tall is the building
please show step by step

Answers

Answer:

Step-by-step explanation:

θ = angle of incidence = angle of reflection

You have two similar triangles.

tanθ = 6/4 = h/45

h = 45×6/4 = 67.5 ft

The required height of the building is 67.5 feet.

Johnny uses a mirror placed on level ground to measure the height of a building. Johnny's eyes are 6 feet above the ground and he stands 4 feet away from the mirror. If the mirror is 45 feet away from the building’s base, how tall the building is determined.

What is the triangle?

The triangle is a geometric shape that includes 3 sides and the sum of the interior angle should not be greater than 180°

Since the two triangles are similar,
Let the height of the building is x.
The ratio of height and distance from the mirror Jhonny = height and distance of mirror from the building.
6/4=x/45
x = 11.25*6
x = 67.5

Thus, the required height of the building is 67.5 feet.


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PLEASE SOLVE FOR BRAINLIST 5 TIMES AND 10 POINTS

Answers

3. Is 0.1
5. 114.7miles
1. The missing digit is 7
63,270 ÷ 855 = 74

2. 6 ÷ 8
Fractions are basically division problems

3. 1/10 or 1 over 10
Make them have the same denominators
1/2 - 2/5 = 5/10 - 4/10 = 1/10

4. I believe it’s 13 ½
Since you need to add 4 of the shortest leashes
3+3+3+4½ = 13½

5. 114.7 miles
3.7 x 31 = 114.7

someone help please! I’m not sure but I got 1/(-32)^-1.4 but I feel like it’s incorrect. With IXL my score will go down if it’s wrong so please make sure it’s correct

Answers

Answer:

1/(32^1.4)

Step-by-step explanation:

1/(32^1.4)

A store owner wants to prepare 100 lb of a candy mix that she will sell for $1.36 per lb. She mixes 20 lb of jelly beans that cost 20 cents per lb with sugar candies. How much does 1 lb of sugar candies cost.

Answers

Answer:

Fraction form:33/20 money:$1.65

Step-by-step explanation:

$0.2 + $x = %1.36

20 IB + 80 IB = 100 IB

Equation: 0.2*20+x*80=1.36*100

there fore the answer is 33/20

Answer:

33/20

Step-by-step explanation:

3. A new restaurant in town is surveying residents to determine how much they typically pay for a meal out. Which of the following best describes a random sample? A. They go door-to-door in a nearby neighborhood. B. They randomly select 50 residents of a local nursing home. C. They call 200 randomly selected town residents. D. They ask patrons if the price was reasonable.

Answers

Answer:

C

Step-by-step explanation:

A is specific to a single neighborhood

B is specific to a single nursing home

D is specific to only patrons

When looking for a random sample, in this case - the town, you have to consider how to select based on the entire sample.

P(-7, 1) ➡️ P' ( __, __)

Q(-7, 6) ➡️ Q' ( __, __)

R(-10, -3) ➡️ R' ( __, __)

Answers

9514 1404 393

Answer:

  P'(1, -7)

  Q'(6, -7)

  R'(-3, -10)

Step-by-step explanation:

The relevant transformation is ...

  (x, y) ⇒ (y, x) . . . . . . reflection over y=x

Simply interchange the x- and y-coordinates.

  P'(1, -7)

  Q'(6, -7)

  R'(-3, -10)

Circles.‎‎‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎

Answers

Answer:

Step-by-step explanation:

b

What is the correct name for a 9-sided polygon?

decagon
octagon
nonagon
ninagon

Answers

Answer:

nonagon

Step-by-step explanation:

The correct name for a 9-sided polygon is nonagon.

Answer:

option c. nonagon

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

I DONT WANT HOW TO DO IT JUST THE ANSWER

Answers

87.5 homie

YUH yuh yuh yuh
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