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3 years ago

PLEASE HELP!!!!!!100 Point's AND WILL MARK U BRAINLIEST

Mathematics

2 answers:

Anastasy [175]3 years ago

7 0

Answer:

I want brainliest

Step-by-step explanation:

4^2-3^2 = ?

16-9 = $\sqrt{7\\}$

mrs_skeptik [129]3 years ago

3 0

Answer:

multiply all of them and there is your answer...(and i did not guess.) thank you and please mark me brainliest...

Step-by-step explanation:

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One classroom has 25 printers for 60 computers. Another classroom has 5 printers for 12 computers, is the rate of printers to co

Zepler [3.9K]

Answer:

Yes, they both have same rate

Rate of A = Rate of B= 5/12

Step-by-step explanation:

Classroom A has 25 printers for 60 computers.

The rate of printers to computers is

Rate = printer /computer

Rate = 25/60

Rate= 5/12

For class room B

Classroom B has 5 printers to 12 computers

The rate of printers to computers is

Rate = printer/computer

Rate= 5/12

Rate of classroom A = 5/12

Rate if classroom B = 5/12

Rate of A = Rate of B

7 0

3 years ago

Someone builds a crate.the volume of the crate is 48 cubic feet. the base area of the crate is 16 square feet. what is the hiegh

jasenka [17]

The height would be 3 because 48 divided by 16 equals 3.

8 0

3 years ago

How much does 1521ml equal in deciliter?

Talja [164]

1,521 millileters is equal to 15.21 deciliters.

In a deciliter, there are 100 milliliters. So, for this problem you would divide 1,521 by 100 to find the equality of milliliters to decimeters. Solving this, would give you 15.21 decimeters.

I hope this helps!!

4 0

3 years ago

Una lancha que viaja a 10 m/s pasa por debajo de un puente 3 segundos después que ha pasado un bote que viaja a 7 m/s, ¿después

ExtremeBDS [4]

Answer:

La lancha y el bote se encontrarán a 70 metros de distancia del puente.

Step-by-step explanation:

Sea el punto debajo del puente el punto de referencia y que ambas lanchas se desplazan a velocidad a continuación, las ecuaciones cinemáticas para cada embarcación son presentadas a continuación:

Bote a 7 metros por segundo

$x_{A} = x_{o}+v_{A}\cdot t$ (Ec. 1)

Lancha a 10 metros por segundo

$x_{B} = x_{o}+v_{B}\cdot (t-3\,s)$ (Ec. 2)

Donde:

$x_{o}$ - Posición debajo del puente, medido en metros.

$x_{A}$ , $x_{B}$ - Posición final de cada embarcación, medido en metros.

$v_{A}$ , $v_{B}$ - Velocidad de cada embarcación, medida en metros por segundo.

$t$ - Tiempo, medido en segundos.

Para determinar la posición en la que ambas embarcaciones se encuentran, se debe determinar el instante en que ocurre a partir de la siguiente condición: $x_{A} = x_{B}$

Igualando (Ec. 1) y (Ec. 2) se tiene que:

$v_{A}\cdot t = v_{B}\cdot (t-3\,s)$

Ahora despejamos el tiempo:

$3\cdot v_{B} = (v_{B}-v_{A})\cdot t$

$t = \frac{3\cdot v_{B}}{v_{B}-v_{A}}$

Si sabemos que $v_{B} = 10\,\frac{m}{s}$ y $v_{A} = 7\,\frac{m}{s}$ , entonces:

$t = \frac{3\cdot \left(10\,\frac{m}{s} \right)}{10\,\frac{m}{s}-7\,\frac{m}{s}}$

$t = 10\,s$

Ahora, la posición de encuentro es: ( $x_{o} = 0\,m$ , $v_{A} = 7\,\frac{m}{s}$ y $t = 10\,s$ )

$x_{A} = 0\,m + \left(7\,\frac{m}{s} \right)\cdot (10\,s)$

$x_{A} = 70\,m$

La lancha y el bote se encontrarán a 70 metros de distancia del puente.

6 0

3 years ago

A rectangular prism has a length that is 3 inches shorter than the height and a width that is 5 inches longer than the height. F

LUCKY_DIMON [66]

An equation for the volume of the prism as a function of the height is Volume = h³ + 2h² - 15h.

We are given a rectangular prism.
A rectangular prism is no different than a cuboid.
Let the height of the rectangular prism be "h".
The length of the rectangular prism is "h-3".
The width of the rectangular prism is "h+5".
The volume of the rectangular prism is the same as that of the cuboid.
The volume of the rectangular prism is the product of its length, its width, and its height.
The volume of the rectangular prism is (h - 3)*(h + 5)*h.
An equation for the volume of the prism as a function of the height is :
Volume = (h - 3)*(h + 5)*h
Volume = (h² + 2h - 15)*h
Volume = h³ + 2h² - 15h

To learn more about prism, visit :

brainly.com/question/12649592

#SPJ1

5 0

1 year ago