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3 years ago

Help meeeeeeeeeeeee Find b; A=1/2h(b+B)

1 answer:

4 0

Start by multiplying everything out on the right side.
A=1/2hb+1/2hB

Move things around so that you get the clump with "b" in it alone on a side.
A-1/2hB=1/2hb

Start to isolate b.
(A/h)-1/2B=1/2b
(2A/h)-B=b

The answer is b=(2A/h)-B. You don't need the parenthesis, just put the thing in the parenthesis into one fraction.

Hope this helps!

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Write a decimal equation that has a product of 3.15 do not use one as a factor

Marrrta [24]

3+ 0.15= 3.15?
or
3x-0.45=9?
Hope this helps. :)

3 0

3 years ago

Determine the product of -8 and -4.

Romashka-Z-Leto [24]

-8 * -4 = 32

Just multiply both numbers and negatives cancel

3 0

3 years ago

X+8=-2 O A. x= 10 OB. x=-6 O C. x=6 OD. x= -10

MaRussiya [10]

Answer: option D

Step-by-step explanation:

X+8=-2

x= -2-8 (you should make x the subject so you switch the +8 to the other

x= -10 side which becomes -8)

so you get -10 because, if both the numbers have the minus sign then you should add the two values which will be a negative answer. So your answer is option D

5 0

2 years ago

Read 2 more answers

3x+30+x=10+2x+5x+2 i need help fast

kupik [55]

Answer:

x=6

Step-by-step explanation:

Group Like Terms:

3x+x+30=10+2x+5x+2

Add similar elements 3x+x=4x:

4x+30=10+2x+5x+2

Add similar elements 2x+5x=7x:

4x+30=10+7x+2

Group like terms:

4x+30=7x+10+2

Add the numbers 10+2=12:

4x+30=7x+12

Subtract 30 from both sides:

4x+30-30=7x+12-30

Simplify:

4x=7x-18

Subtract 7x from both sides:

4x-7x=7x-18-7x

Simplify:

-3x=-18

Divide both sides by -3:

$\frac{-3x}{-3} =\frac{-18}{-3}$

Simplify:

x=6

Hence, the correct answer is 6

4 0

2 years ago

Simplify (x^14)^3 ffffffffffffffffffffffffffffff

Salsk061 [2.6K]

Answer:

$(x^{14}) ^{3}$ = $x^{42}$

Step-by-step explanation:

In this case in order to simplify we need to know what the "power rule of exponents" is. Simply speaking this rule states that when you raise a power to a power you multiply the exponents. So in our case we ill get the following

$(x^{14}) ^{3}$ = $x^{42}$

In order to get 42 we used the power rule which I mentioned earlier.

3 0

3 years ago