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3 years ago

10 families were asked how

Mathematics

1 answer:

Pepsi [2]3 years ago

3 0

Answer:

0 1 2 2 3 3 3 4 4 5

Mode is 3

Median is 3

Mean is 2.7 I think

Step-by-step explanation:

Mode is most common

Median middle number when put in order

Mean add all up and divide by how many there is

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How do you solve this: 2x+4+2=7x-6-3?

IrinaVladis [17]

The answer you are looking for is x=3.

Solution/Explanation:

First, writing out the equation,

2x+4+2=7x-6-3.

Next, simplifying the equation just a little bit more, with the four numbers that do not include the variable "x" at all,

2x+6=7x-9.

Now, subtracting 7x from both sides of the equation,

2x+6-7x=7x-9-7x.

Regrouping the positions of the terms, using the Associative Property,

2x-7x+6=7x-7x-9.

Simplifying, and also, canceling out the 7x, since 7x-7x=0.

2x-7x+6=0-9, or 2x-7x+6=-9.

Simplifying "2x-7x," which is -5x,

-5x+6=-9.

Now, subtracting 6 from both sides,

-5x+6-6=-9-6.

Canceling out the "6," since 6-6=0,

-5x=-9-6.

Solving for "-9-6," which is "-15,"

-5x=-15.

Finally, dividing both sides by "-5,"

-5x/-5=-15/-5.

Simplifying "-5x/-5=-15/-5,"

-5x/-5=x.

And, also, -15/-5=3.

This eventually leads to x=3.

So, therefore, the final answer is x=3.

I hope that this has helped answer your question. Good day to you.

8 0

3 years ago

Read 2 more answers

Drag each expression to show whether it is equivalent to 54x + 18, 18(3x – 1), or (6 • 9x) + (6 • 1).

gladu [14]

Answer:

54x + 18 equivalent to (6 • 9x) + (6 • 3)

18(3x – 1) equivalent to 54x - 18

(6 • 9x) + (6 • 1) equivalent to 54x + 6

7 0

4 years ago

1. Ann took out a loan at the Bank of Florida with a principle amount of $12,000, at an interest rate of 5.65% for 4 years. What

fredd [130]

Answer:

1. $2,950.62

2. $93.75

Step-by-step explanation:

Ann took out a loan of = $12,000

At an interest rate of = 5.65%

Time = 4 years

Formula of compound interest = $A=P(1+\frac{r}{n})^{nt}$

= $A=12,000(1+\frac{0.0565}{1})^{1\times 4}$

= $12,000(1.0565)^{4}$

= 12,000 × 1.24588514

Interest = Amount - principal amount

= $14,950.62 - 12,000

= $2,950.62

Amount that Dan borrowed = $1,250

rate of interest = 5%

Time = 18 months or 1.5 years

Formula of simple interest = P(1+rt)

= 1250(1+(0.05 × 1.5))

= 1250(1+0.075)

= 1250 × 1.075

= 1343.75

Interest = Amount - principal

I = 1343.75 - 1250

= $93.75

8 0

3 years ago

∆ABC is rotated 100° counterclockwise about point P to create ∆A'B'C'. what is angle m C'A'B'?

dolphi86 [110]

The answer would be c, 70

7 0

4 years ago

Read 2 more answers

The table below shows the outputs y for different inputs x:

igor_vitrenko [27]

Part A)
The table doesn't represent y as a function of x.
Why? One reason is that 1 or 3 is the first element in more than one ordered pair.
Part B)
f(x) = 10x + 20
f(120)= 10*120 + 20 = 1200 + 20 = 1220
f(120) represents cost of boating for 120 hours.

3 0

3 years ago

Read 2 more answers