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MArishka [77]
3 years ago
12

What is the area of a triangle with a base of 7 units and a height of 11 units?

Mathematics
2 answers:
Bogdan [553]3 years ago
8 0
The answer is b..........
den301095 [7]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Area of a triangle formula: 1/2bh

1/2*7*11 = 38.5 sq units

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Write 23 in significant notation​
SOVA2 [1]

*I think you meant scientific notation.*

23 in scientific notation would be 2.3 x 10^1.

5 0
3 years ago
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What is the volume of a cylinder with a height of 15 and a radius of 11 ???????????????
DiKsa [7]
Volume of a Cylinder = πr²h
V = π * (11)² * 15
v = π * 121 * 15
v = 1815π units³

In short, Your Answer would be Option C

Hope this helps!
7 0
3 years ago
A polynomial expression is shown below.
tester [92]
The polynomial is (mx^3+3)(2x²+5x+2)-(8x^5 +20x^4)
if it is reduced to 8x^3+6x²+15x+6, so we can find the value of m

 (mx^3+3)(2x²+5x+2)-(8x^5+20x^4) = <span>8x^3+6x²+15x+6
</span>2mx^5+5mx^4+2mx^3+6x²+15x+6-8x^5-20x^4=<span>8x^3+6x²+15x+6
</span>2mx^5+5mx^4+2mx^3=8x^3+6x²+15x+6-6x²-15x-6+ <span>8x^5+20x^4
</span>=  8x^5+20x^4+<span>8x^3= 4(2x^5+5x^4+2x^3)
finally

</span>m(2x^5+5x^4+2x^3)=<span>4(2x^5+5x^4+2x^3), and after simplification
</span>
C:  m=4

<span>4. When the expression is factored x²-3x-18 completely, 
</span>
one of its factor is x-6
<span>x²-3x-18=0
</span>D= 9-4(-18)= 81, sqrtD=9 x=3-9/2= -6/2= -3, and x=3+9 / 2= 6
so <span>x²-3x-18= (x-6)(x+6)

</span>
3 0
3 years ago
Solve this system of equations: y = x2 – 3x + 12 y = –2x + 14 1.Isolate one variable in the system of equations, if needed. y =
gladu [14]
The values of x are 2 and -1.

Solving the equation created by substitution listed in the question:

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Subtract 14 from both sides:
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x-2=0
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x=2

x+1=0
x+1-1=0-1
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4 0
4 years ago
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Their are 16 logs the stove burn in 8hours
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