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3 years ago

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What is the answer for this equation : 11p-4= 6p + 1

1 answer:

vova2212 [387]3 years ago

4 0

$11p-4=6p+1\ \ \ \ \ |combine\ like\ terms\\\\11p-6p=1+4\ \ \ \ |simplify\\\\5p=5\ \ \ \ \ |:5\\\\p=1$

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2. How many 4-digit even numbers greater then 4,999 can be made(using the digits 0-9?

Lostsunrise [7]

Answer:

For each choice of the first two digits you have 10 choices for the third digit. Thus you have 10x10x10 = 1000 choices for the first three digits. Finally you have 10 choices for the fourth digit and thus there are 10x10x10x10 = 10 000 possible 4 digit combinations from 0-9.

I hope that helps! :)

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3 years ago

87 to the nearest 10

Alex787 [66]

90 is the nearest 10. You round up at 5 and above, you round down from 1 to 4.

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4 years ago

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4 years ago

Consider a triangle ABC like the one below. Suppose that =A110°, =b25, and =c4. (The figure is not drawn to scale.) Solve the tr

tamaranim1 [39]

Side a, angle B and angle C of triangle ABC are 26.6 units, 61.9 degrees and 8.1 degrees respectively.

<h3>What is the value of the missing angles and side?</h3>

Given that;

Angle A = 110°
Side b = 25
side c = 4
side a = ?
Angle B = ?
Angle C = ?

First we determine the length of side a

$a = \sqrt{b^2-c^2-2bc*cos(A)}$

We substitute our values into the above equation $a = \sqrt{25^2-4^2-(2*25*4*cos(110)}\\\\a = 26.6$

Side a has a length of 26.6 units.

$B = cos^{-1}(\frac{a^2+c^2-b^2}{2ac}) \\\\B = cos^{-1}(\frac{26.63464^2+4^2-25^2}{2*26.63464*4}) \\\\B = 61.9$

Angle B is 61.9 degrees.

$C = cos^{-1}(\frac{a^2+b^2-c^2}{2ab} )\\\\C = cos^{-1}(\frac{26.63464^2+25^2-4^2}{2*26.63464*25} )\\\\C =8.1$

Angle C is 8.1 degrees.

Therefore, side a, angle b and angle c of the triangle ABC are 26.6 units, 61.9 degrees and 8.1 degrees respectively.

Learn more about triangles here: brainly.com/question/14882091

#SPJ1

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2 years ago

<img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7By%7D%20%2B%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%262%263%5C%5C4%265%266%5C%5

CaHeK987 [17]

the heck (keystrokes keystrokes)

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3 years ago