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3 years ago

What times what equals 19

Mathematics

2 answers:

frutty [35]3 years ago

8 0

19 X 1 = 19.

19 is a prime number. It can only be multiplied by 1 to arrive on its own number.

Vikki [24]3 years ago

6 0

The only two answers to that would be 1 times 19 or 19 times 1.

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Find the 63rd term. 5, 8, 11, 14...

Arada [10]

Answer:

191

Step-by-step explanation:

An = a1 + (n-1)d

An = 5 + (63-1)3 = 191

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3 years ago

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Can someone pls help for brainlest

Lerok [7]

Answer:

6.28km

Step-by-step explanation:

Hey,

We know that the circumfrence is the perimetert of a full circle. If we want to find the perimeter of a semicircle all we have to do is find the circumfrence and then divide it by 2 since we want to know the perimeter of half the circle.

Circumfrence is equal to 2πr. Where r is the radius and since we know the radius we an solve for the circumfrence.

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3 years ago

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Four brothers have ages which are consecutive even integers. If the product of the ages of the two middle brothers is 528, how o

exis [7]

Answer:

The oldest brother is of age $26$ years.

Step-by-step explanation:

As the age of four brothers are consecutive even integers.

We assume that the ages are $x,(x+2),(x+4),(x+6)$ as their respective ages.

And the age of the youngest brother $x$ yrs.

Age of the oldest brother $(x+6)$ yrs.

According to the question

Product of two middle brother that is $(x+2)(x+4) =528$

So we will arrange this in our equation and solve the quadratic.

$(x+2)(x+4) =528$

$x^{2}+4(x)+2(x)+8 =528$

$x^{2}+4(x)+2(x)+8-528=0$

$x^{2}+6(x)-520=0$

Solving the quadratic by using middle term splitting or directly with quadratic formula we can find the value of 'x' .

Here it is solved with quadratic formula:

Comparing with standard equation $ax^{2}+b(x)+c=0$ ,here $a=1,b=6\ and\ c=-520$ .

$x= \frac{-b \pm \sqrt{b^2-4ac} }{2a} = \frac{-6 \pm \sqrt{6^2-4\times \ (-520)} }{2\times 1}$

$x=20,-26$

We will work with the positive value of (x) so the the age of the youngest brother $=(x)=20$ yrs.

And the age of the the oldest brother $=(x+6)=(20+6)=26$ years.

The age difference is of $(26-20)=6$ years.

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4 years ago

The ________ _________ describes the relationship of the lengths of the side of a _______ triangle

Fynjy0 [20]

The Pythagorean Theorem describes the relationship of the lengths of the sides of a right triangle.

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3 years ago

Picture at the top to help with solving the answer.

maksim [4K]

Answer: B and D

Step-by-step explanation:

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