I want help solving Id also like to know how you got the answer for future reference. ♥️​

I Want Help Solving Id Also Like To Know How You Got The Answer For Future Reference.

Answers

Answer 1

Answer:

5 seconds and 488 ft

Step-by-step explanation:

(a)

given a quadratic in standard form

y = ax² + bx + c ( a ≠ 0 ), then

the x- coordinate of the vertex is

x = - [tex]\frac{b}{2a}[/tex]

y = - 16x² + 160x + 88 ← is in standard form

with a = - 16 and b = 160 then

[tex]x_{vertex}[/tex] = - [tex]\frac{160}{-32}[/tex] = 5

the maximum height is at the vertex, the turning point on the graph

then it takes 5 second to reach its maximum height

(b)

to find the maximum height substitute x = 5 into the equation

y = - 16(5)² + 160(5) + 88

  = - 16(25) + 800 + 88

 = - 400 + 888

 = 488

maximum height is 488 ft


Related Questions

how many cups are there in 2.5 pt

Answers

Answer:

Approximately 6 cups

Step-by-step explanation:

One pint is equal to 2.402 cups. Multiplied by 2.5, that gives you 6.00475. The final answer (6 cups) is rounded.

What is the median?
767
-765
767
769
769
-770
-767
768
sumbit

Answers

Answer:

767

Step-by-step explanation:

A tank is 1/2 filled with water. some of the water is then poured into 8 small containers each with a capacity of 27 cubic centimeters. the tank is now 1.4 full. what is the capacity of the tank.

Answers

The capacity of the tank is 240 cm³.

What is capacity?

Capacity means the volume of a solid shape.

To calculate the capacity of the tank, we use the formula below.

Note: When the water from the 8 small containers is poured into the tank that was initially half full, becomes 1.4 full that means the water from the 8 small containers fills the tank 0.9

Formula:

V = (8×27)/0.9............... Equation 1

Where:

V = Volume or capacity of the tank

Solve for V

V = 240 cm³.

Hence, the capacity of the tank is 240 cm³.

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How many milligrams are equal to 63 grams? 63,000 milligrams 6,300 milligrams 630,000 milligrams 630 milligrams

Answers

Answer:

63,000 milligrams

Step-by-step explanation:

there are 1,000 milligrams in one gram. So, 63 x 1,000 = 63,000

Circle the correct words to complete the sentences.
1. Precipitation falls in these two forms: Solid / Liquid / Gas
2. Evaporation changes gas / liquid water to ice (solid) / water vapor (gas)

i just need to know what the answer i will give branliest

Answers

1.  solid and liquid

2. Evaporation changes liquid water to water vapour.

for #1: for example, it's raining, when it rains, the rain is water (liquid).

Or it's snowing, the snow is solid.

for #2: for example, when you are making tea, you need hot water, so you add heat, then the water lessens because it's transforming to gas, and sometimes you can see it.

Answer:

1. solid and liquid

2. water vapor (gas)

estimate the perimeter and the area of the shaded figure to the nearest whole number

Answers

Answer:

See below ~

Step-by-step explanation:

Perimeter

2(6 + 8)2(14)28 units

Area

2(4 x 2) + 2(8)4(8)32 square units

7. Find the L.C.M of 24,15 and 16​

Answers

Answer:

240

Step-by-step explanation:

Step 1 : Prime factorize the given terms.

24 = 3 x 8 = 3 x 2³15 = 3 x 516 = 4 x 4 = 2⁴

Step 2 : Out of the factors of all terms, take the factors with the highest power of different bases and multiply.

⇒ LCM (24, 15, 16) = 2⁴ x 3 x 5

⇒ LCM = 16 x 15

⇒ LCM = 240

Rewrite 0.10 as a power of 10

Rewrite 0.07 as a product of a power of 10

Answers

[tex]0.10 = 10^{-1}\\\\0.07 = 7 \times 10^{-2}[/tex]

& this one, please and thank you!!

Answers

[tex]\text{Given that,} ~ p(x) = x^2 -5~ \text{and}~ h(x) = \sqrt{x+5}\\\\(p\circ h)(x)\\\\=p(h(x))\\\\=p\left( \sqrt{x+5} \right)\\\\=\left( \sqrt{x+5} \right)^2 -5\\\\=x +5-5\\\\=x[/tex]

Select the correct answer. which expression is equivalent to the given expression? assume the denominator does not equal zero. a. b. c. d.

Answers

The expression that is equivalent to the expression, [tex](\frac{4m^5n^2}{m^2n} )^3[/tex] is the expression, [tex]64m^9n^3[/tex].

What are Equivalent Expressions?

If two expressions are equivalent to each other, it means the value of each of them are the same when simplified or evaluated in their simplest form.

Given the expression,

[tex](\frac{4m^5n^2}{m^2n} )^3[/tex]

Evaluate the expression in its simplest form

[tex](\frac{4m^5n^2}{m^2n} )^3 = (4m^3n^1)^3[/tex]

Multiply the exponents in the bracket by the one outside, then find the cube of 4.

[tex]64m^9n^3[/tex]

Therefore, [tex](\frac{4m^5n^2}{m^2n} )^3[/tex] is equivalent to [tex]64m^9n^3[/tex].

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Write the equality in the given diagram below

Answers

Answer:

[tex] 3 < x \leqslant - 1[/tex]

Explanation:

the point on the left is closed with the line going to the right so it is greater than or equal to x

[tex] - 1 \geqslant x[/tex]

and the point on the right is open with the line going to the right so it is less than x

[tex]3 < x[/tex]



A car with a cost price of $5200 is
sold at a profit of 15%. Calculate the
selling price

Answers

Answer:

We are given the initial price of a car and we are also told that the car sold for a 15% profit which means that the price that the car was sold for is 15% more than it's initial price.  This is just a simple multiplication problem which we multiply the initial price by the total percentage plus 0.15

[tex]Sold\ Price = Initial\ Price *(Total\ Percentage+Profit\ Percentage)[/tex]

[tex]Sold\ Price = \$5200*(1+0.15)[/tex]

[tex]Sold\ Price = \$5200*(1.15)[/tex]

[tex]Sold\ Price = \$5980[/tex]

Therefore, our final answer is that the selling price was $5980

Hope this helps!

What is the area of the parallelogram? Explain your reasoning.

Answers

Answer:

multiply the base of the perpendicular by its height

Step-by-step explanation:

It should be noted that the base and the height of the parallelogram are perpendicular to each other, whereas the lateral side of the parallelogram is not perpendicular to the base.

In a right triangle, a and b are the lengths of the legs and c is the length
of the hypotenuse. If a = 9 centimeters and b = 3 centimeters, what is c? If
necessary, round to the nearest tenth.
4) c = ?
centimeters

Answers

Answer:

c=9.5 centimeters

Step-by-step explanation:

a^2+b^2=c^2

9^2+3^2=c^2

90=c^2

c=[tex]\sqrt{90}[/tex]

c=9.487

c=9.5

Ralph needs 1/4 cup of butter to make a cake. He has 5 cups of butter. How many cakes can Ralph make using 5 cups of butter? A) 1 B) 5 C) 20 D) 4 ​

Answers

Answer:

b

Step-by-step explanation:

One winter day, the temperature at noon was -9f The temperature then rose by ​1/2 degree each hour for 3 hours before dropping by 2 1/4 degrees each hour for 2 hours. What was the temperature, in degrees Fahrenheit, at 5 PM?

Answers

Answer:

The temperature at 5 PM was - 12°F

Step-by-step explanation:

One winter day, the temperature at noon was -9°F.

The temperature then rose by ​1/2 degree each hour for 3 hours:

1/2 × 3 = 3/2 = 1 1/2

The temperature then dropped by 2 1/4 degrees each hour for 2 hours:

- 2 1/4 × 2 = - 4 2/4 = - 4 1/2

Now add up all three values to find the final value:

- 9 + 1 1/2 - 4 1/2 = - 9 + 1 - 4 = - 12

Solve the following linear equation: 6(x-3)=18​

Answers

Answer:

x=6

Step-by-step explanation:

6(x-3)=18

Then divide both sides by 6

x-3=3

Add 3 to both sides

x=6

Answer:

x = 6

Explanation:

6(x-3) = 18​

use distributive property: a(b + c) = ab + ac

6x - 18 = 18

change sides

6x = 18 + 18

add integers

6x = 36

divide both sides by 6

x = 6

A 500-room hotel collects $80 per occupied room each night. which expression represents the number of dollars the hotel collects on a night when v rooms are vacant?

Answers

500x80-(80xV)=
would be right

The sum of two numbers is 40 and the difference is 8. What are the numbers?

Answers

Answer:

24 and 16.

Step-by-step explanation:

They both are in between the sum of the two numbers.

please help me!
Will give you points​

Answers

Answer: Horizontal means going through something like mainly through the middle, and verticle are the posts going up and down through the fence. All you have to do is combine them in figure 2 and slot them down in the boxes. Hope this helps <3

Step-by-step explanation:

y=1/2x+1

how do i graph this?

Answers

Answer: Heyaa! ~

Graph the line using the slope and y-intercept, or two points.

Slope:

1/2

y-intercept: (0,1)

x   ↓  y

0   ↓  1

2   ↓  2

Step-by-step explanation:

Hopefully this helps you! ~

Answer:

Use the Desmos graphing calculator. Look up "graphing calculator" and hit the Desmos option, then type in your equation. It works.

Please mark me Brainliest!!!

How mony boxes does Sharice need?
sharice needs ? boxes ​

Answers

she will need 18 boxes total :)

can someone help me with this problem? Thank you!

Answers

In order to find the answer, we need to multiply 15 x 12 then find the exponent based on the object shape (2D/3D).

15 x 12 = 180.

If the object is 2D, the exponent is 2 (squared). If the object is 3D, the exponent is 3 (cubed). We can tell that the object is 2D, so the exponent is 2.

The answer is 180^2, or 180 squared.

I was hoping that you'd give me Brainiest as I'm trying to rank up. If you want to, please do!

Answer:

The answer is 180 squared.

Step-by-step explanation:

Happy to help!

7. Use the quadratic formula to find the solution(s). x² + 2x - 8 = 0​

Answers

Answer:

x = 2, - 4

Step-by-step explanation:

The factors of 8 are:

1, 8

2, 4

You can combine 2 and 4 to create 2.

( x - 2 ) ( x + 4 ) = 0

0 can either be x - 2 or x + 4

Therefore, x = 2 or - 4

Hey there!

Use the quadratic formula to find the solution(s). x² + 2x - 8 = 0

Answer :

x = -4 or x = 2 ✅

Explanation :

Quadratic formula : ax² + bx + c = 0 where a ≠ 0

The number of real-number solutions (roots) is determined by the discriminant (b² - 4ac) :

If b² - 4ac > 0 , There are 2 real-number solutions

If b² - 4ac = 0 , There is 1 real-number solution.

If b² - 4ac < 0 , There is no real-number solution.

The roots of the equation are determined by the following calculation:

[tex]x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac } }{2a} [/tex]

Here, we have :

a = 1b = 2c = -8

1) Calculate the discriminant :

b² - 4ac ⇔ 2² - 4(1)(-8) ⇔ 4 - (-32) ⇔ 36

b² - 4ac = 36 > 0 ; The equation admits two real-number solutions

2) Calculate the roots of the equation:

▪️ (1)

[tex]x_1 = \frac{ - b - \sqrt{ {b}^{2} - 4ac} }{2a} \\ \\ x_1 = \frac{ - 2 - \sqrt{36} }{2(1) } \\ \\ x_1 = \frac{ - 2 - 6}{2} \\ \\ x_1 = \frac{ - 8}{2} \\ \\ \blue{\boxed{\red{x_1 = -4}}}[/tex]

▪️ (2)

[tex]x_2 = \frac{ - b + \sqrt{ {b}^{2} - 4ac } }{2a} \\ \\ x_2 = \frac{ - 2 + \sqrt{36} }{2(1)} \\ \\ x_2 = \frac{ - 2 + 6}{2} \\ \\ x_2 = \frac{4}{2} \\ \\ \red{\boxed{\blue{x_2 = 2}}}[/tex]

>> Therefore, your answers are x = -4 or x = 2.

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Please help! Giving brainliest!!!!
You deposit $1200 in an account that earns simple interest. After 42 months, the account earns $96.60 in interest. What is the annual interest rate
to the nearest tenth of a percent?
A. 0.8%
O B.2.3%
C.35.0%
D. 1.0%

Answers

Answer:

interest rate= interest earned multiply 100% then divide by the amount and time

R=I/Pt

I=96.60$, P=1200$, t=42/12=3.5

R= 96.60×100%/1200×3.5

=2.3%

A baby is born weighing 120 ounces. At 1 year, the same baby weighs 14 pounds. How many pounds did the bay gain?

Answers

The baby gained 6.5 pounds

Please help me with this. Brainliest for right answer

Answers

Answer:

40

Step-by-step explanation:

The X value = 40 please tell if I am wrong

This is easy for other students in my class just not me lol

Answers

Answer:

65

Step-by-step explanation:

Angle FGH = x

Angle FGJ = 25

Angle JGH = 40

Angle FGH = Angle FGJ + Angle JGH

                x = 25 + 40

                x = 65

The value of x in the diagram is 65.

What is an angle?

The angles between two lines are the angles formed by two intersecting lines, measured in degrees or radians.

Several different types of angles can be formed between two lines, including acute angles, right angles, and obtuse angles.

We have,

From the diagram,

∠JGH = 40

∠FGJ = 25

Now,

∠JGH + ∠FGJ = x

So,

40 + 25 = x

Solve for x.

x = 40 + 25

x = 65

Thus,

The value of x in the diagram is 65.

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Scott rolled a number cube several times and counted how many times he rolled a 3.

What is the theoretical probability of Scott rolling a 3 if his number cube is fair?

Answers

Using it's concept, it is found that the theoretical probability of Scott rolling a 3 if his number cube is fair is of [tex]\frac{1}{6}[/tex].

What is a probability?

A probability is given by the number of desired outcomes divided by the number of total outcomes.

For a theoretical probability, these number of outcomes are taken before any experiment.

In this problem, there are six numbers, one of which is three, hence the probability is given by:

[tex]p = \frac{1}{6}[/tex].

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20 ÷ (5x2/5) + 3 help please​

Answers

Answer:

13

Step-by-step explanation:

hey take a deep breath! you got this!

it's really simple if you use the format PEMDAS

P- parentheses

E-exponents

M-Muliplication

D-divison

A-addition

S-subtraction

or mostly used

P

E

M or D

A or S

(depends from which side just start Ex 2-1+8 you wouldn't do the plus first but the subtraction because we're going left to right. If it's 2x8-6+10 then we do multiplication first cause that step comes first, the minus then addition! hope that isn't to confusing!)

ok so our equation is 20÷(5x2/5)+3

whats our first step? remember PEMDAS!

Its Parenthesis! so first we do the equation (5x2/5)

since multiplication and division are in the same "category" we go left to right

so first we do 5x2=10 and then we do 10/5 which is equal to 2!

ok now we add back the rest of our equation!

20÷2+3 since we already solved the Parenthesis

now what come first? division or addition?

its division because.. once again... PEMDAS!!

So now we do 20÷2 which is equal to 10!

now whats left is to add 3!

and 10+3 is equal to .... 13!!!

I know it seems like a lot but you'll get the hang of it! just take it easy and take your time :)

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