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3 years ago

Determine if true: 3x4 divided by 3*8=34

Mathematics

1 answer:

aev [14]3 years ago

8 0

Answer:

False

Step-by-step explanation:

3x4=12

12 divided by 3=4

4x8=32

32=34

Hence, this equation is false.

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The formula for the area of a trapezold with altitude k and bases m and n is A=k/2(m+n)

Ghella [55]

Answer:

$m=\frac{2A-kn}{k}$

Hence, option C is true.

Step-by-step explanation:

Given the expression

$A=\frac{k}{2}\left(m+n\right)$

Solving for 'm'

$A=\frac{k}{2}\left(m+n\right)$

Flip the equation

$\frac{k}{2}\left(m+n\right)=A$

Expanding by applying the distributive law: $a\left(b+c\right)=ab+ac$

$\frac{1}{2}km+\frac{1}{2}kn=A$

Add (-1)/2 × kn to both sides

$\frac{1}{2}km+\frac{1}{2}kn+\left(-\frac{1}{2}kn\right)=\left(-\frac{1}{2}kn\right)+A$

simplify

$\frac{1}{2}km=-\frac{1}{2}kn+A$

Divide both sides by k/2

$\frac{\frac{1}{2}km}{\frac{k}{2}}=\frac{-\frac{1}{2}kn+A}{\frac{k}{2}}$

$m=\frac{2A-kn}{k}$

Therefore,

$m=\frac{2A-kn}{k}$

Hence, option C is true.

7 0

3 years ago

ABC and DEF are complementary angels. 73, What is the measurement of x?

Olegator [25]

Assuming x is the missing angle, and knowing that complimentary means 90, subtract 90-73 to get 17.

5 0

3 years ago

Find what 2/4 is multipled by to to get 2/4 divided by 12. Then solve the problem. Do not reduce your answer.

Romashka-Z-Leto [24]

Answer:

Step-by-step explanation:

8 0

3 years ago

I need help what is the answer

lisabon 2012 [21]

Answer:

Step-by-step explanation:

plug in the points for the equation on C and you'll get see that it fits

5 0

3 years ago

Evaluate the function for x=4 <br> F(x)= x^3+2x^2+1

alukav5142 [94]

Answer:

F(4) = 97

Step-by-step explanation:

F(x)= x³+2x²+1

when x = 4

F(4)= 4³+2(4²)+1

= 4³+2(4²)+1

= 64 + 2(16) + 1

= 64 + 32 + 1

= 97

8 0

3 years ago