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andrey2020 [161]
2 years ago
14

Is the expression 3(x+1 1\2)-3 equivalent to 3x+1 1\2

Mathematics
1 answer:
Ket [755]2 years ago
3 0

Answer:

no

Step-by-step explanation:

first simplify or solve the original expression ( 3(x + 11/2)-3 )

1.  Parenthesis go first so do the 11/2 = 5.5 (x+5.5)

2. Distribute the 3 to the parenthesis (3x + 16.5)

3. subtract 3 from the expression (3x + 13.5)

Compare new equation with 3x + 11/2. Are they the same? (3x+13.5 vs. 3x + 11/2)

They are not the same thing.

You might be interested in
Leo and her on spent 3/4 hour shopping 5/6 hour preparing the pizzas and 11/12 hour cleaning up after the party how many minutes
Aneli [31]

Answer:

150 minutes

Step-by-step explanation:

First we have to express all these fractions of an hour in minutes, then add them and get the total of minutes.

To pass these numbers in hours to minutes, we only have to multiply by 60 because one hour has 60 minutes.

3/4 h =

3/4 * 60 = 45m

5/6 h =

5/6 * 60 = 50m

11/12 h =

11/12 * 60 = 55m

to calculate the total number of minutes we have to add the 3 values ​​that we have

45m + 50m + 55m = 150m

8 0
3 years ago
4. Mariana receives a $20 gift card for
Alenkasestr [34]

Answer:

inequality-    1.29m <20

maximum number of songs- 15 songs

Step-by-step explanation:

For the inequality, you see that she only has $20 so whatever she buys has to be below that so use the less than sign. You also see that each song is worth $1.29 so 1.29m. For the maximum number of songs, you divide 20 by 1.29 and just ignore the remainder.

6 0
3 years ago
Evaluate x+16, when x=8
Hatshy [7]

Answer:

24

Step-by-step explanation:

x + 16

8 + 16

= 24

You just plug in 8 in the x place. Hope this helps, thank you !!

7 0
3 years ago
You stand at point C and look at an aquarium tank. Calculate the radius of the aquarium tank.
leonid [27]

Answer:

The radius of the aquarium tank is 8.25\ ft

Step-by-step explanation:

we know that

Applying the Tangent Secant Theorem

DC^{2}=AC*8

we have that

AC=(D+8)\ ft

DC=14\ ft

substitute

14^{2}=(D+8)*8

196=8D+64

Solve for D

8D=196-64

8D=132

D=16.5\ ft

Find the radius

The radius is half the diameter

r=16.5/2=8.25\ ft

3 0
3 years ago
Read 2 more answers
Given the system of inequalities: 4x – 5y &lt; 1 one-halfy – x &lt; 3 which shows the given inequalities in slope-intercept form
kkurt [141]

The slope- intercept is y> (1-4x) / 5 and y< 2x + 6

<h3 /><h3>What is inequality?</h3>

A  statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.

Given:

4x – 5y < 1  and 1/2y – x < 3

Solving

4x – 5y < 1

-5y < 1- 4x

-y < (1-4x) / 5

y> (1-4x) / 5

Now, the second inequality,

1/2y – x < 3

1/2y< 3+x

y< 2x + 6

Learn more about this concept here:

brainly.com/question/13762480

#SPJ1

6 0
1 year ago
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