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3 years ago

2x-11=7x+9how to solve

1 answer:

8 0

2x-11=7x+9
i would bring the -11 over to the 9. change it to 9+11. the equation is now

2x=7x+9+11
2x=7x+20

then bring the 7x over chaning it to -7x so then it is

2x-7x=20
-5x=20

then divide by -5

-5x/-5=20/-5

answer is
x=-4

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How much is 1 and 3/4ths times 2

Tomtit [17]

To find out what 1 and 3/4 times 2 is, we need to find out a way to make it much more simple and then answer it.
A quick way to answer this in a few steps is to:
1.) convert the fraction into decimal.
To do this, we need to divide 100 by our denominator (the number on the bottom of a fraction). Let's try it.
100 / 4 = 25.
For every 1/4, it adds 25.
Since we have 3/4, multiply 3 by 25.
You get 75, but it is not whole.
2.) Put your quotient into decimal form by putting it as 0.## (if we divided 100 by a smaller number).
Your number for 3/4 is 0.75.
Since we have a whole number (1), put it in the single-digit place.
(#.00)
1.75 is your fraction into decimal form.
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I hope this helps!

8 0

4 years ago

Read 2 more answers

The world famous gambler from Philadelphia, Senor Rick, proposes the following game of chance. You roll a fair die. If you roll

Orlov [11]

Answer:

You lose $0.833 while Rick gains $0.833, and so Rick is not Loco

Step-by-step explanation:

There are six numbers on a dice. Thus, probability of rolling exactly one number = 1/6

Probability of rolling two is 2/6.

Rolling a 1 pays $25, and probability = 1/6

Rolling a 2 pays $5,and probability = 1/6

Rolling a 3 pays $0, and probability = 1/6

Rolling a 4 or 5 pays -$10, and probability = 2/6

Rolling a 6 pays -$15, and probability = 1/6

Thus,lets calculate the expected value;

EV = (25 × 1/6) + (5 × 1/6) + (0 × 1/6) + (-10 × 2/6) + (-15 × 1/6)

EV = - $0.833

This means you lose $0.833 while Rick gains $0.833, and so Rick is not Loco.

7 0

3 years ago

Pen are shipped to the office supply store in boxes of 12 each. Write a function rule to calculate the total number of pens when

Tom [10]

p = 12x is the function rule to calculate the total number of pens when you know the number of boxes

<em><u>Solution:</u></em>

Given that,

Pen are shipped to the office supply store in boxes of 12 each

To find: Write a function rule to calculate the total number of pens when you know the number of boxes

Let "p" be the total number of pens

Let "x" be the number of boxes

Number of pens in each box = 12

Then from given information,

Total number of pens = Number of boxes multiplied by number of pens in each box

$p = x \times 12\\\\p = 12x$

Thus the function rule is found

6 0

4 years ago

3.102 x 10^3 in standard form

postnew [5]

Answer:

3102x

Step-by-step explanation:

6 0

3 years ago

Noah and Carter are collecting box tops for their school. They each bring in 1 box per day starting on the first day of school

Sedbober [7]

Answer:

Well since they're bringing 1 each day, just multiply that by the number of days of school, or just use the variable x to replace it.

1x = the number of box tops they each bring to school

7 0

3 years ago