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topjm [15]
2 years ago
5

Sole the following: [3x2²+12x(-2)]+7[8-(4-9)] Help me, please!!!

Mathematics
1 answer:
cestrela7 [59]2 years ago
3 0

step by step you can ask about anything you dont understand

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If a non zero number is divided by a zero then what is the notation to denote it​
enot [183]
Answer:

0 Divided by a Number 0a=0 Dividing 0 by any number gives us a zero. Zero will never change when multiplying or dividing any number by it.

if i helped please give brainliest and a thanks !!
3 0
3 years ago
A cylinder has a base diameter of 14m and a height of 10m. What is its volume in cubic m, to the nearest tenths place?
VARVARA [1.3K]

Answer:

1539 cubic meters

Step-by-step explanation:

Hello, I can help you with this

to solve need  we will need these two equations

Step one

Remember

area of a circle

Area=\pi *\frac{diameter^{2} }{4}\\

Also, the volume of the cylinder

Volume= area of the circle * height

Volume=\pi *\frac{diameter^{2} }{4} *height\\

Step 2

put the values into the equation

Let

diameter= 14 m

height = 10 m

Volume=\pi *\frac{diameter^{2} }{4} *height\\\\Volume=\pi *\frac{(14\ m)^{2} }{4} *10\ m \\\\Volume=\pi *49\ m^{2} *10\ m\\Volume=1539.38\ cubic\ meters

I hope it helps,have a great day.

3 0
3 years ago
Simplify. Please show work
GuDViN [60]

Answer:

\frac{4b^5}{c^3}

Step-by-step explanation:

\frac{36b^4c^2}{9b^{-1}c^5}

\frac{36b^4c^2}{9b^{-1}c^5}\\\\\frac{4b^{4+1}}{c^{5-2}}\\\\\frac{4b^5}{c^3}

Hope this helps!

5 0
2 years ago
Find the product and fill in the blanks to write in standard complex number form
k0ka [10]
X^2 +2x +10 = 0

D = 4 -40 = - 36 

x_1,2 = (-2 +/- sqrt(-36))/2 = (-2 +/- 6i)/2 = 2(-1 +/- 3i)/2 = -1 +/- 3i 

x_1,2 = -1 +/- 3i   or more understandably 

x_1 = -1 -3i and x_2 = -1 +3i

hope this will help you 
3 0
3 years ago
the slope of the line is below 2. use the coordinates of the labeled point to find a point-slope equation of the line.
Allushta [10]

Answer:

C

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = 2 and (a, b) = (1, 9) , thus

y - 9 = 2(x - 1) → C

3 0
3 years ago
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