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2 years ago

The area of the triangle below is 3/40

Mathematics

1 answer:

zubka84 [21]2 years ago

3 0

Answer:

b = 3/4

Step-by-step explanation:

The area of a triangle is given by

A = 1/2 bh

3/ 40 = 1/2 b ( 1/5)

Multiply

3/40 = 1/10 b

Multiply each side by 10

10 *3/40 = 10* 1/10 b

3/4 = b

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What is the value of the discriminant in the equation shown below?<br><br> x^2 -6x +4 =0

irakobra [83]

Answer:

Discriminant = 20

Step-by-step explanation:

We use formula to find the discriminant.

Discriminant (D) = b^2 - 4ac

The given equation is x^2 - 6x + 4 = 0.

Here the value of a = 1, b = -6 and c = 4.

Plug in the given values in the formula, we get

Discriminant (D) = (-6)^2 - 4*1*4

= 36 - 16

Discriminant = 20

Thank you.

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3 years ago

A regular decagon has a radius of 8 cm.

svp [43]

Answer: 188 cm² I think that's it

Step-by-step explanation:

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2 years ago

Read 2 more answers

lila compro cuatro pares de pantalones azules q $32 cada uno. cuánto dinero le pago lila al empleado?

trasher [3.6K]

Answer:

128

Step-by-step explanation:

32 x 4 = 128

32 + 32 + 32 + 32 = 128

8 0

2 years ago

A segment has endpoints (14,-8) and (4, 12). What are the coordinates of<br> its midpoint?

lutik1710 [3]

Answer:

(9,2)

Step-by-step explanation:

To find the x coordinate of the midpoint, average the x coordinates of the endpoints

(14+4)/2 = 18/2 = 9

To find the y coordinate of the midpoint, average the y coordinates of the endpoints

(-8+12)/2 = 4/2 = 2

3 0

2 years ago

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How many non-square numbers lie between the 215to the power of 2 and 216 to the power of 2

Vaselesa [24]

There are 430 non square numbers that lie between $215^{2}$ and $216^{2}$ .

Given two numbers $215^{2}$ and $216^{2}$ and we are require to find non square numbers that lie between them.

Numbers can be consecutive numbers or non consecutive numbers. In our question we will find the consecutive numbers.

Square numbers are those numbers whos square is in a proper number means decimal should not be there.

First number= $215^{2}$

Second number= $216^{2}$

First we have to find the exact value of numbers by finding the square of these numbers.

First number=215*215=46225

Second number=216*216=46656

Numbers that lie between them=(46656-46225)-1

=431-1

=430

Hence 430 numbers lie between $215^{2}$ and $216^{2}$ .

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2 years ago