What is - 6 (a+8) using the distributive property and simplify each expression

Answers

Answer 1
Answer: -6a - 48

hope this helps
Answer 2
Answer: -6(a+8)
-6x8=-48 
a= -48

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the length of a rectangle is 5cm greater than the width. the area of the rectangle is 84cm squared. find the length and width

Answers

Answer:

Therefore,

Length=12\ cm

Width= 7\ cm

Step-by-step explanation:

Let the Width of rectangle be 'x' cm.

Then the length of a rectangle will be (x + 5) cm.

Area of rectangle given is 84 cm squared.

To Find:

Length = (x+5) = ?

Width = x = ?

Solution:

We have area of rectangle given as

\textrm{Area of Rectangle}=Length* Width

Substituting the given values we get

84=(x+5)x\nx^(2) +5x-84=0\n

On factorizing we get

x^(2) +12x-7x-84=0\nx(x+12)-7(x+12)=0\n(x+12)(x-7)=0\n(x+12)=0\ or\ (x-7)=0\nx=-12\ or\ x=7\n\therefore x =7\ cm\ \textrm{As x cannot be negative}

Therefore,

Length=x+5=7+5=12\ cm

Therefore,

Length=12\ cm

Width= 7\ cm

Circle the number that makes each equation true.

Answers

For the first one, the answer is -51

I'm sorry, but I don't know the answer for the second one. Either way, I hope this helped you.

The answer? i don’t understand this.

Answers

You are simplifying the equation by plugging the numbers in.
10 * 5 +  \frac{ {4}^(2) }{4}
10•5=50,
4 {}^(2)   +  16
50  +  (16)/(4)
(16)/(4)  = 4
50+4=54

The answer is 54

21 students in Michael classroom or wearing jeans there are 25 students in his class Michael says that 80% of his class is wearing Jean is Michael correct explain your reasoning

Answers

no. the answer is 84%

to get decimals, take what you have and divide it by the whole.

21/25= 0.84 move the decimal over 2 spots to get 84%

Is 2 thirds equivalent to 6 tenths

Answers

You can't simplify 2/3, but you can divide both sides of 6/10 by 2 to simplify it. 6/10=3/5, which doesn't equal 2/3. 
2/3 is not equivalent to 6/10
thats because 3 times 3 doesnt equal to 10. it equals to 9.
so 2/3 equals to 6/9
hope it helped

ricardo has 2 cases of video games with the same number of game in each cases . he give 4 games to his brothers . Ricardo has 10 games left. How many video games were in each case ?

Answers

12 because you split the 4 from the two boxes.