Plz help mee with math I am timed plz

Which table represents the statement “An airplane is flying at a speed of 525 per hour”?

Answer:

Step-by-step explanation:

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y = -2x² - 8x + 3

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#First, find the x coordinate first by using the formula of -b/2a

x = -b/2a = -(-8)/2(-2) = 8/-4 = -2

#After getting the x, find the y

y = -2(-2)² - 8(-2) + 3

y = -2×4 +16 + 3

y = -8 + 16 + 3

y = 11

So the vertex is

(-2,11)

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Answer:

the vertex is (-2, 11)

Step-by-step explanation:

F(x) = -2X^2 - 8X + 3 can be rewritten as -2(x^2 + 4x) + 3.

We complete the square of x^2 + 4x, obtaining x^2 + 4x + 4 - 4 = (x + 2)^2 - 4

and then we substitute this last result into F(x) = -2(x^2 + 4x) + 3:

F(x) = -2[ (x + 2)^2 - 4 ] + 3, which simplifies to:

F(x) = -2(x + 2)^2 + 8 + 3, or F(x) = -2(x + 2)^2 + 11

Comparing this to the vertex equation (x + h)^2 + k, we see that h must be -2 and k must be 11.  

Thus, the vertex is (-2, 11).

Answer:

[tex]V=1398.4\ cm^3[/tex]

Step-by-step explanation:

Given that,

Pardeep has a rectangular sheet of paper of size 44cm x 20cm. He rolled it  along its breadth and a cylinder is formed.

When he rolled it  along its breadth, 20 is equal to circumference i.e.

20 = 2πr

r is radius of base of cylinder

r = 3.18 cm

44 cm will be height of the cylinder.

The volume of the cylinder is given by :

[tex]V=\pi r^2 h\\\\V=\dfrac{22}{7}\times (3.18)^2 \times 44\\\\V=1398.4\ cm^3[/tex]

So, the volume of the cylinder is [tex]1398.4\ cm^3[/tex].

Answer:

-112 i think

Step-by-step explanation:

Answer:

(-5, 0)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Distributive Property

Equality Properties

Algebra I

Step-by-step explanation:

Step 1: Define Systems

4x - 3y = -20

-x - 8y = 5

Step 2: Rewrite Systems

-x - 8y = 5

Step 3: Redefine Systems

4x - 3y = -20

x = -8y - 5

Step 4: Solve for y

Substitution

Step 5: Solve for x

Answer:

x = -5

y = 0

Step-by-step explanation:

4x-3y=-20

-x-8y=5  then x = 8y-5

substitute for x

4(8y-5)-3y = -20

32y-20-3y = -20

29y = 0

y = 0

4x-0 = -20

x = -5

Answer:

-14(2x+1)

Step-by-step explanation:

Factor out the GCF, which is 14.

Answer:

-14(2x+1)

Step-by-step explanation:

this is a question on my math test and i got it write

Answer:

First, we start with:

"Ram obtains 40% of the marks in a paper of 200 marks"

In this case, 200 marks represent the 100%

Then how much is the 40%?

we have the relations:

40% = X

100% = 200 marks

Now we can take the quotient of both equations:

(40%/100%) = X/200marks

(40%/100%)*200marks = X = 80 marks

So Ram obtained 80 marks.

Now we have:

"Shyam is ahead of Ram by 25% of Ram's marks"

Now the 100% is the number of marks that Ram has, this is:

100% = 80 marks

And Shyam has 25% more than that, then we have:

125% = X

Same as before, we take the quotient of both equations:

(125%/100%) = X/80 marks

1.25*80 marks = 100 marks.

Shyam has 100 marks.

The last part is (this is not written correctly, it says "one month", it should be "one-ninth")

"while Bhuvan is ahead of Shyam by one-ninth of his own marks."

if his own marks are X, we have the equation

X = 100 + (1/9)*X

X - 1/9*X = 100

X*(8/9) = 100

X = (9/8)*100 = 112.5

So Bhuvan has 112.5 marks

Answer:

C. x = 6

Step-by-step explanation:

6 + 4 = 10

Answer:

a:c=2.5:1.25

Step-by-step explanation:

2a:3b=5:6

2(2.5):3(2)=5:6

3(2):2(1.25)=6:2.5=36:15

Answer:

C-1,800

Step-by-step explanation

.2*1800=360

Mark brainliest,rate,and thanks

Answer:

20% = 5th of the people so 5*360= 1800

Or 20%=.20 360/.20=1800

Step-by-step explanation:

Answer:

(2, 2)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Algebra I

Step-by-step explanation:

Step 1: Define Systems

y = x

y = -x + 4

Step 2: Solve for x

Substitution

Step 3: Solve for y

Answer:

183.41

Step-by-step explanation:

pay 251.57

16% 40.25

3.64 9.16

6.2 15.60

1.45 3.65

I hope this is right

Answer:

In an equilateral triangle, all the sides and angles are of equal length. In an isosceles triangle, 2 of the sides are equal

Step-by-step explanation:

Answer:

1. 0.5%

2. 3%

3. 20%

4. 250%

5. 500%

hope this helps have a blessed day :)

Answer:

(3,12)

Step-by-step explanation:

y = 3x + 3

y = 6x -6

x = 3

y = 12

= (3,12)

Answer:

All you have to do, is find an x that if used in both equations, both equal the same y.

3 x 3 + 3 = 12

6 x 3 - 6 = 12

So, the only thing here is (3, 12)

Step-by-step explanation:

Answer:

56

Step-by-step explanation:

28x2=56

multiply 56x2=112

Add 112+124=236

Add 236+124=360

Answer:

984

Step-by-step explanation:

Answer:

n-5

Step-by-step explanation:

Answer:

C. 16 7/18

Step-by-step explanation:

First find the least common denominator for the fractions: 36

Change the fractions: 15 20/36 + 30/36

Add the fractions: 20/36+30/36=50/36

Turn into proper fraction: 16 14/36

Simplify: 16 7/18

Answer:1/16

Step-by-step explanation:

Answer:

Step-by-step explanation:

Area of enlarged garden will be 144 sq meters. Each side will be √144 = 12 meters.

Side of original garden = 12-7 = 5 meters l.

Answer:

yeaa

Step-by-step explanation:

Answer:

their was no growth rate it lost 53,500 in those 15 years at a rate of about 3,566 a year

Step-by-step explanation:

The growth rate is the percentage increase and it is the increase with respect to the original thus growth rate will be 28.84%.

The percentage is defined as a given amount in every hundred. It is a fraction with 100 as the denominator percentage is represented by the one symbol %.

The percentage is also called the indicating hundredths. Thus, 2% is two-hundredth, which means 2%=2/100=0.02.

As per the given,

The cost in 2000 is $185500

Cost in 2015 is $132000

Change or increase = (185500  - 132000)

% increase = change/original

% increase = (185500  - 132000)/185500 = 28.84%

Hence "The growth rate is the percentage increase and it is the increase with respect to the original thus growth rate will be 28.84%".

For more about the percentage,

brainly.com/question/13450942

#SPJ2

Answer:

11 1\3

Step-by-step explanation:

32÷3=11.33333333333333333333

Answer:

there all cute i cant see the first one tho hella blurry she seems cute tho

Step-by-step explanation:

Answer:

x = 20

Step-by-step explanation:

Each side would be 60. 60/3 would be 20. So x = 20

Answer:

x = 20

Step-by-step explanation:

Looking at the image you've posted here. We can see this triangle is equilateral. That also means 3x is 60°, as are the other two angles. All you really have to do is dividing both sides of the equation by 3 to get x to equal 20.