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3 years ago

Please I need help asap

Mathematics

1 answer:

artcher [175]3 years ago

7 0

Answer:

Step-by-step explanation:

when you times 5 by 2 you get 10 and 10 minus 6=4

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The width of a large, rectangular-shaped tree farm is 1.9 kilometers. The length of the farm is 4.4 kilometers. What are the bes

Vinvika [58]

Answer:

9 square kilometers

Step-by-step explanation:

Let's round the width to 2.0 kilometers, and round the length to 4.5 kilometers.

We know that area is length times width, so

A = lw

A = 2.0*4.5

<u>A = 9.0 square kilometers</u>

If we do this on the calculator, it's around 9.36 square kilometers, so our estimate was good.

6 0

3 years ago

How many nickels are there in seventeen dollars?

Hunter-Best [27]

20 nickels = 1 dollar

So, do 20 x 17.

20 x 17 = 340 nickels which is $17.

The answer is 340 nickels!

4 0

3 years ago

Encuentra la ecuacion de la parabola con vertice en el origen y foco en las cordenadas 0,1en su forma ordinaria y general

marusya05 [52]

Answer:

$x^{2}=4y$

$y=\frac{1}{4}x^{2}$

Step-by-step explanation:

Forma ordinaria

La ecuación de la parabola de manera ordinaria está dada por:

$(x-h)^{2}=4p(y-k)$ (1)

Donde:

(h,k) es la coordenda del vértice, en nuestro caso (0,0) ya que está en el origen.
(h,k+p) es la coordenda del foco, en nuestro caso (0,1).

Por lo tanto h = 0, k = 0 y p = 1.

Remplazando estos valores en la ecuación de la parábola, tenemos:

$(x-0)^{2}=4*1(y-0)$

$x^{2}=4y$ (2)

Forma general

La forma general de una parábola esta dada por la siquiente ecuación

$y=ax^{2}+bx+c$

Reordenando la ecuación (2) tenemos:

$y=\frac{1}{4}x^{2}$

Espero esto te haya ayudado!

5 0

3 years ago

Two roots of a third degree polynomial function f(x) are 4 and 4. Which statement describes the number and nature of all roots

VladimirAG [237]

Answer:f(x) has three real roots

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Round to the nearest thousand 5.2182

steposvetlana [31]

Answer:

5.218

Step-by-step explanation:

5 or more, you add one. Four or less, you change it to zero.

6 0

3 years ago