MATHEMATICS MIDDLE SCHOOL

Is 7 3/4 or 7 9/16 bigger

Answers

Answer 1
Answer: 7 3/4 is bigger because when you multiply the numerator and denominator it is 7 12/16 and 12 is bigger then 9
Answer 2
Answer: 7 and 3/4 is bigger.

The decimal for it would be 7.75
The decimal for 7 9/16 would be 7.5625

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Help with 1 and 3. if you can help with 2 and 4 if abel to see!as a reward a like and maybe a brainlest!

The quotient of 8 and twice a number z

Answers

2z divided by 8
Z= 16

Lucy found that a solution of x = − 4 was extraneous for her function. What would be a possible denominator in Lucy's function?x^2 +3x-4
x^2 -9
x+5
x-4

Answers

A solution is extraneous when the denominator of the function becomes zero when the solution is substituted.

Equating each of the options to 0:
x^2 +3x-4 = 0
x = 1 and -4

You can check the other options but they won't result to having a solution of x=-4

Therefore, the possible denominator of the function is x^2 +3x-4

Answer:

Option 1

Step-by-step explanation:

We will find the solution for the expression in option 1

x^2+3x-4

x^2+4x-x+4

x^2-x+4x-4

x(x-1)+4(x-1)

(x+4)(x-1)

Hence, x=1 and x=-4 willl be the solution

Hence, x^2+3x-4  will be in denominator.

Hence, Option 1 is correct

Option 2,3 and 4 are discarded.

What is two thirds times five

Answers

Well, 2/3 multiplied by 5 would be, 3.33
Multiply 2/3 x 5When multiplying fractions, just multiply across. You don't need a common denominatorSo 2/3 x 5 is 10/3

Help, i'll give you brainliest

Answers

i cant see the imagine it says download pdf and it doesnt show anything
21
Hope this helps:)
Lmk if it’s correct

The pair of figures is similar. Find X. Round to the nearest 10th if necessary.

Answers

Answer:

x = 9.775 cm ≈ 9.8 cm

Step-by-step explanation:

If traingles are similar, then corresponding sides are in proportion:

(x)/(17)=(23)/(40)              cross multiply

40x=(17)(23)

40x=391        divide both sides by 40

x=9.775\ cm

Answer:

9.7 rounded to 10

Step-by-step explanation:

I'm pretty sure 10 would be the answer, because since they are similar triangle you would cross multiply. So you would do (23)/(x) =(40)/(17), you would the cross multiply 23×17 and 40×X. You would then have 40X=391, so you would divide 391÷40, so X=9.7 or 10

what is 54 times 3 times 71 minus 45 plus 102 divided by 6 times 25 subtracted by 34 times 141 plus 32 subtracted by 67? Also put 578402/10856 in simplest form.

Answers

54 * 3 * 71-45+102%6 * 25- 34 * 141 + 32 -67 
11502-45+17x25-4794-53
11502-45+425-4847
7035

578402/10856 = 
53 3034/ 10856 take a 2 out and get 
53 1517/ 5428 

Answer:

6,786,083.5

Step-by-step explanation:
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