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WITCHER [35]
3 years ago
13

Write an equation for the sentence below.

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
7 0

Answer:

3x - 23 = 2828

Step-by-step explanation:

I'll assume the question is supposed to read "The sum of three times a number (x) and −23 is 2828."

"three times a number (x)" can be written as 3x

"sum of three times a number (x) and −23" means 3x - 23

"is 2828"  = 2828

Put them together:

3x - 23 = 2828

==================

<u>Not part of the question</u>

If you want to solve for x:

3x = 2805

x = 935

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A punter kicks a football upward with an initial velocity of 48 feet per second. After how many seconds does the ball hit the gr
AnnZ [28]
<h3>Answer:</h3>

3 seconds

<h3>Step-by-step explanation:</h3>

For the given problem conditions, the parameters in your formula are ...

... h = 0

... r = 48

Putting these values into the equation, we can solve for t.

... 0 = 48t -16t²

... 0 = 16t(3 -t) . . . . . factored

This will be true for t=0 and for t=3

The ball will hit the ground after 3 seconds.

_____

<em>Comment on answer choices</em>

For the ball to take 456 seconds (more than 7 1/2 hours) to hit the ground, it would have to  be launched at 7296 ft/s, several times the speed of sound. Its maximum height would be over 157.5 <em>miles</em>, and all of the usual assumptions about a stationary flat Earth with a uniform gravity field and no air resistance could not apply.

So, we know that 456 seconds is an impossible choice (as are the higher values, such as 1863 seconds). Perhaps that should be 4 5/6 seconds. For that to be the answer, the launch speed would need to be 77 1/3 ft/s, not 48 ft/s.

___

If these are the actual answer choices associated with this problem, it would be a good idea to have your teacher show you how to work it.

3 0
4 years ago
En la ordeña de don Javier se recolecta la leche en dos Recipientes, uno de 300 litros de capacidad y uno de 180 litros, si se l
larisa86 [58]

Answer:

- Both jugs can fill the two containers perfectly without any left over or quantity missing.

- Ambas jarras pueden llenar los dos recipientes perfectamente sin que sobra ni falta ninguna cantidad.

Step-by-step explanation:

English Translation

In Don Javier's milking, milk is collected in two containers, one with a 300-liter capacity and one with 180 liters, if they are filled with 15 and 20-liter jugs. Which of the jugs exactly fill the containers without milk being left over or missing?

Solution

There are two types of jugs to fill the two containers; the 15-liter big and the 20-liter jug.

The containers are of capacities 300 and 180 liters.

We need to find which jug/jugs will fill the two containers perfectly without any left over or missing.

Taking the 300 liter capacity container first

300 ÷ 15 = 20

300 ÷ 20 = 15

Both jugs can fill the 300 liter capacity container without any left over or quantity missing

Taking the 180 liter capacity container

180 ÷ 15 = 12

180 ÷ 20 = 9

Both jugs can fill the 180 liter capacity container without any left over or quantity missing.

Hence, both jugs can fill the two containers perfectly without any left over or quantity missing.

In Spanish/En español

Hay dos tipos de jarras para llenar los dos contenedores; la jarra grande de 15 litros y la jarra de 20 litros.

Los contenedores son de capacidades 300 y 180 litros.

Necesitamos encontrar qué jarra / jarra llenará los dos recipientes perfectamente sin que quede ni falte nada.

Tomar primero el contenedor de 300 litros de capacidad

300 ÷ 15 = 20

300 ÷ 20 = 15

Ambas jarras pueden llenar el contenedor de 300 litros de capacidad sin sobra ni cantidad que falta

Tomando el contenedor de 180 litros de capacidad

180 ÷ 15 = 12

180 ÷ 20 = 9

Ambas jarras pueden llenar el contenedor de 180 litros de capacidad sin sobra ni cantidad que falte.

Por lo tanto, ambas jarras pueden llenar los dos recipientes perfectamente sin que sobra ni falta ninguna cantidad.

Hope this Helps!!!

¡¡¡Espero que esto ayude!!!

5 0
4 years ago
Find the next three terms of the sequence 3,9, 27, 81, ...
puteri [66]

Answer:

3

Step-by-step explanation:

divide all numbers right to left by 3 then do that to the next number.

7 0
3 years ago
Read 2 more answers
Find the vertices and foci of the hyperbola with equation quantity x plus 2 squared divided by 144 minus the quantity of y minus
Lelu [443]

Answer:

  • Vertices:(-14,4) and (10,4).
  • Foci:  (–17, 4) and (13, 4)

Step-by-step explanation:

Given the equation of the hyperbola

\dfrac{(x+2)^2}{144}-\dfrac{(y-4)^2}{81}  =1

Since the x part is added, then

a^2=144; b^2=81\\a=12,b=9

Also, this hyperbola's foci and vertices are to the left and right of the center, on a horizontal line paralleling the x-axis.

From the equation, clearly the center is at (h, k) = (–2, 4). Since the vertices are a = 12 units to either side, then they are at (-14,4) and (10,4).

From the equation

c^2=a^2+b^2=144+81=225\\c=15

The foci, being 15 units to either side of the center, must be at (–17, 4) and (13, 4)

5 0
3 years ago
$1000 earning 5.25% interest compounded annually for 3 years.
Schach [20]

Answer:

$1165.92

Step-by-step explanation:

1000*5.25%=52.5

1000+52.5=1052.5

1052.5*5.25%=55.26

1052.5+55.26=1107.76

1107.76*5.25%=58.16

1107.76+58.16=1165.92

I could b very wrong here tho XD

4 0
3 years ago
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