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1 year ago

4^1/2 ft to inches

Mathematics

2 answers:

motikmotik1 year ago

6 0

Answer:

54 :)

Step-by-step explanation:

Reika [66]1 year ago

3 0

Answer:

Step-by-step explanation:

$4^{\frac{1}{2} } =(2^2)^{\frac{1}{2} } =2^{\frac{2}{2} } =2^1=2$

2ft=2×12=24 inches

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PLS HELP IM FAILING MATH!

oksano4ka [1.4K]

Answer:

1. Never true

2. Never true

3. Bad question! Typo? (see discussion below)

4. Always true

5. Always false

Step-by-step explanation:

1. x - 13 = x + 1. Subtract x from both sides of the equation, and you get -13 = 1. False! (Never true!)

2. x + 1/2 = x - 1/2. Subtract x from both sides: 1/2 = - 1/2. False! (Never true!)

3. This one's weird, with two equal signs. That's not unusual; multiple equal signs are often used when a chain of equalities is being displayed. For instance, you can write (3)(2x + 5) = (3)(2x) + (3)(5) = 6x + 15. That's an example of the Distributive Property--the 3 is multiplied by both of the terms inside parentheses (shown after the first equal sign), then actually doing those multiplications produces the expression after the second equal sign.

OK! This question says 2(x + 3) = 5x = 6 - 3x. Take it in two parts.

a. 2(x + 3) = 5x Distribute the 2.

2x + 6 = 5x Now subtract 2x from both sides.

6 = 3x Divide both sides by 3.

2 = x So that first part is true only when x = 2. Gaa! That's not one of your answer choices. Now, check out the second part

b. 5x = 6 - 3x Add 3x to both sides.

8x = 6 Divide by 8

x = 6/8 = 3/4

It doesn't help to use the first and third expressions, either.

2(x + 3) = 6 - 3x Distribute the 2

2x + 6 = 6 - 3x Add 3x.

5x + 6 = 6 Subtract 6.

5x = 0 Divide by 5

x = 0

None of these is always false. None of these is always true.

4. x - 3 = 2x - 3 - x Simplify the right side by combining the x terms.

x - 3 = x - 3 Aha! Same expression on both sides! Always true

5. 3(x - 5) = 2(x - 5) + x Distribute the 3. Distribute the 2.

3x - 15 = 2x - 10 + x Combine the x terms on the right.

3x - 15 = 3x - 10 Subtract 3x

-15 = -10 (Always false!)

7 0

2 years ago

In traveling from a dormitory to a certain city, a student went 1/5 of the way by foot, 2/3 of the way by bus, and the remaining

kykrilka [37]

Answer:

Step-by-step explanation:

Now, what we know is that the total distance from the dormitory to the city is 1 if expressed in fraction. What we need to know is the fraction of the journey that is scheduled as the last part.

We can get this by subtracting the fractions of the first two phases from 1.

This goes as follows:

1 - (1/5) - (2/3) = 2/15

Now, we know that the final 8 kilometers constitute a fraction of just 2/5

Hence, we know that 2/15 of the total journey is 8 kilometers.

Let the total journey distance be T. This means that 2/15 of T is 8km

2/15 * T = 8km

T = ( 8 * 15 )/2 = 120/2 = 60km

6 0

2 years ago

The Social Justice Club is going to rent a mammoth barbeque to cook the hot dogs for the hot dog sale After contacting three ren

zimovet [89]

Answer:

(A)Cost of Rental A, C= 15x

Cost of Rental B, C=5x+50

Cost of Rental C, C=9x+20

(B)

i. Rental C ii. Rental A iii. Rental B

Step-by-step explanation:

Part 1

Let x be the number of hours of the barbeque use by the club.

Rental A: $15/h

Cost of Rental A, C= 15hx

Rental B: $5/h + 50

Cost of Rental B, C=5x+50

Rental C: $9/h + 20

Cost of Rental C, C=9x+20

Part 2

The graph of the three models is attached below

Part 3(11.05-4.30)

If the barbecue's usage hour is from 11.05 to 4.30 when the football match ends.

Number of Hours between 11.05am and 4.30pm=4 hours 25 Minutes = 4.42 Hours

Cost of Rental A, C= 15x=15(4.42)=$66.30

Cost of Rental B, C=5x+50 =5(4.42)+50=$72.10

Cost of Rental C, C=9x+20=9(4.42)+20=$59.78

Rental C should be chosen as it offers the lowest cost.

Part 4 (11.05-12.30)

Number of Hours = 12.30 -11.05 =1 hour 25 Minutes = 1.42 Hours

Cost of Rental A, C= 15x=15(1.42)=$21.30 Cost of Rental B, C=5x+50 =5(4.42)+50=$57.10 Cost of Rental C, C=9x+20=9(4.42)+20=$32.78

Rental A should be chosen since it offers the lowest cost.

Part 5

If the barbecue is returned the next day, say after 24 hours

Cost of Rental A, C= 15x=15(24)=$360 Cost of Rental B, C=5x+50 =5(24)+50=$170 Cost of Rental C, C=9x+20=9(24)+20=$236

Rental B should be chosen as it offers the lowest cost.

6 0

2 years ago

Write the greatest and smallest four digit number by using 7,8,0,9 digit

natulia [17]

0789 is the smallest
9870 is the largest

7 0

2 years ago

Please help!! Choosing brainliest!!

Zigmanuir [339]

Answer: A and D

Step-by-step explanation:

Table B : not a function the value of x=3 has two images

Table C: not a function the value of x=1 has two images

Tables A and D are functions

6 0

2 years ago