MATHEMATICS MIDDLE SCHOOL

What is 1.36,1.3 and 1.63 from least to greatest

Answers

Answer 1
Answer: 1.36=1(36)/(100)
1.36=1(3)/(10)=1(30)/(100)
1.63=1(63)/(100)

it means that:

1(30)/(100)<1(36)/(100)<1(63)/(100)

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Two friends take a bicycle trip. Ricky rides 10 miles in 0.75 an hour.Victoria rides 15 miles in 1.25 hour.Which bucylce rider has the slower rate?

Answers

Answer:

Victoria's speed, 12 mph, is slower

Step-by-step explanation:

Ricky's speed is

10 miles

---------------- = 13.33 mpg

0.75 hour

Victoria's is

15 miles

---------------- = 12 mpg

1.25 hour

Victoria's speed, 12 mph, is slower than Ricky's, 13.33 mph.

The original photo was 11 inches wide by 14 inches high the new photo will be 132 inches wide what will be the new height

Answers

They are similar rectangles. Therefore, the side lengths are proportional:

(11)/(132)=(14)/(x)\ \ \ \ |\text{cross multiply}\n\n11x=132\cdot14\ \ \ \ |:11\n\nx=(132\cdot14)/(11)\n\nx=(12\cdot14)/(1)\n\nx=168

Answer: The new height will be equal 168 inches.

Which value for x makes the open sentence true?4 • 3 - 2x < X to the 2nd power - 2

A. 0
B. 1
C. 2
D. 3

Same question.

6 • 7 – 5x + x2 ≥ x3 + x2

A. 5
B. 6
C. 4
D. 3



Which symbol creates a true sentence when x equals 3?

8 • 3 – 4x _____ 7(10 – x)

A. >
B. <
C. =
D. ≈



Which symbol creates a true sentence when x equals 8?

9 • 4 – 2x _____ 5(11– x)

A. =
B. >
C. <
D. ≈

Please help me A.S.Y.C.

Answers

we know that

The easiest way to find the number that makes the statement true is to substitute the given answers into the equation.

so

Part 1)

4.3-2x < x^(2) -2

a) For x=0

4.3-2*0 < 0^(2) -2

12 < -2 -----> is false

b) For x=1

4.3-2*1 < 1^(2) -2

10 < -1 -----> is false

c) For x=2

4.3-2*2 < 2^(2) -2

8 < 2 -----> is false

d) For x=3

4.3-2*3 < 3^(2) -2

6 < 7 -----> is true

therefore

the answer part 1) is the option D

x=3

Part 2)

6*7-5x+x^(2) \geq x^(3) +x^(2)

a) For x=5

6*7-5*5+5^(2) \geq 5^(3) +5^(2)

42 \geq 150 ----> is false

b) For x=6

6*7-5*6+6^(2) \geq 6^(3) +6^(2)

48 \geq 252 ----> is false

c) For x=4

6*7-5*4+4^(2) \geq 4^(3) +4^(2)

38 \geq 80 ----> is false

d) For x=3

6*7-5*3+3^(2) \geq 3^(3) +3^(2)

36 \geq 36 ----> is True

therefore

the answer Part 2) is the option D

x=3

Part 3)

we have

8*3-4x\ (\ )\ 7*(10-x)

For x=3

8*3-4*3\ (\ )\ 7*(10-3)

12\ (\ )\ 49

we know that

12 < 49

therefore

the answer Part 3)  is the option B

<

Part 4)

we have

9*4-2x\ (\ )\ 5*(11-x)

For x=8

9*4-2*8\ (\ )\ 5*(11-8)

20\ (\ )\ 15

we know that

20 > 15

therefore

the answer Part 4)  is the option B

>
9. 4- 2(8) = -12
    55-40 = 15 
so C is true
 8. B
  
3 and 6 i dont know . seems : 4 . C & D are both correct 
                                                 6 . All correct

Please help me with number 5

Answers

287/5 = 57.4

The minimum stacks he will make is 57

Hope this helps

How can you use a point on the graph of f –1(x) = 9x to determine a point on the graph of f(x) = log9x?

Answers

The first option is correct

Answer:

Switch the x- and y-coordinates

Step-by-step explanation:

Insert parentheses to make each statement true

2-3-4+1

Answers

The answer is (2-3)-(4+1)
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