MATHEMATICS MIDDLE SCHOOL

What is 7+x+5-3=16-8
what is x and how did you work it out

Answers

Answer 1
Answer:
This problem is tough until you clean it up so you can see what's going on.

On the left side, (7 + 5 - 3) = 9 .  So the left side is  x + 9 .

On the right side,  (16 - 8) = 8.

So the equation is really          x + 9 = 8

Subtract 9 from each side:      x      = -1
Answer 2
Answer: 7+x+5-3=16-8 \n \n 7 + x + - 5 - 3 = 16 + - 8 \n \n (x) + (7 + 5 + - 3 ) = ( 16 + - 8 ) \n \n x + 9 = 8 \n \n x + 9 - 9 = 8 - 9 \n \n \huge{\boxed{ x = -1}}

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I don’t even know what i’m doing anymore. aren’t there supposed to be two answers??

Which expression could be used to find the quotient of 1575÷21?A. (1000÷21) + (500÷21) + (70÷21) + (5÷21) we know this is the answer, but how do we show the work? I hated math as a kid, and my daughters teacher said even though they weren't taught this yet, they still have to do the same work.

Answers

Answer:

The quotient of (1000÷21) + (500÷21) + (70÷21) + (5÷21)  is equivalent to the quotient of 1575÷21.

Step-by-step explanation:

The given expression is 1575÷21.

It can be written as

(1575)/(21)

Write the numerator as the sum of the place values of each digit.

(1575)/(21)=(1000+500+70+5)/(21)

According to the distributive property,

(a+b)/(c)=(a)/(c)+(b)/(c)

Using the distributive property, we get

(1575)/(21)=(1000)/(21)+(500)/(21)+(70)/(21)+(5)/(21)

Therefore the quotient of (1000÷21) + (500÷21) + (70÷21) + (5÷21)  is equivalent to the quotient of 1575÷21.
ok you split it up into thousands hundreds  tens and units those are all the working out and bye the way sorry if you have different working I am britich so they have different methods
 

I need a real answer fast thank you

Answers

12.2 I believe but I'm not sure

IR TURNThe price of a pair of shoes increases from $52 to $64. What is the
percent increase to the nearest percent?
​

Answers

23.0~23%

Step by step

(64 - 52) / 52×= 0.230× 100% = 23.0

Which is the least valid way to stimulate how many boys and girls are in a random sample of 20 students from a school that is half boys and half girls?A. Flip a coin 20 times, assigning one out come to boys and the other to girls

B. Drop 20 coin at once and count the number of each outcome

C. Count how many boys and girls are in your mat class and use a proportion

D. Have a calculator generate 20 random integers and count the number of even and odd integers

Answers

Total number of Student in the School in which half are boys and Half are girls =20

Probability of an event

             =\frac{\text{Total favorable oucome}}{\text{Total Possible outcome}}                  

Probability of Number of Boys as well as Probability of Number of Girls

                               =(10)/(20)\n\n=(1)/(2)  

The Most appropriate option is

Option C

Count how many boys and girls are in your math class and use a proportion.

In Option A, B and D

The probability of each outcome that is Success and Failure will be nearly equal to 0.50 .

But in Option C, you can't say precisely that Probability will be equal to , 0.50 in each case , that is Success and Failure.
I think the answer is C

8. In a recent presidential election, Ohio had 18 electoral votes. This is 20 votes less than Texas had. How many electoral votes did Texas have?

Answers

texas had 38 votes if i am right
18 - 20 = -2 this would be the answer

Find an equivalent fraction for 60/100using 10 as the new
denominator.

Answers

Answer:

6/10.

Step-by-step explanation

Divide the top and bottom of the fraction by 10:

60/10 / 100/10

= 6/10.

They are equivalent because in effect we are dividing by 10/10 which is 1.

Answer:

6/10

if you take a 0 off of 100 you have to take the 0 off of 60 too
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