3 years ago

Find the value of x.

Mathematics

1 answer:

Gnom [1K]3 years ago

5 0

Answer:

x=28

Step-by-step explanation:

$x-8=20\\+8 +8\\x=28$

Hope this helps!

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What is 3 3 equal to?

mr_godi [17]

3 + 3 = 6
3 x 3 = 9
3^3 = 27
3 - 3 = 0
3 / 3 = 1

{whichever you mean}

8 0

4 years ago

Suppose a club publishes a newsletter. Expenses are$.50 for printing and mailing each copy, plus$300 total for research and writ

luda_lava [24]

200 copies must be sold

n= number od newsletters

0,50*n+300=2,00*n

300=1,5*n

Divide both sides by 1,5

200=n

0,50*200+300=2*200

100+300=400

400=400

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4 years ago

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Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels 18 miles per hou

blagie [28]

Formula: Distance = rate * time

570 = (R+(R-18))*3

570 = (2R - 18)*3

190 = 2R-16

208 = 2R

R = 104

Eastbound Train: 86mph

Westbound Train: 104mph

3 0

3 years ago

Ian has $28 in his checking account. If he writes a check for $12, how much money is left in his account?

k0ka [10]

Answer:
$16

Explanation:
$28 - $12

3 0

4 years ago

Read 2 more answers

Help help please please

sweet-ann [11.9K]

Answer:

It would cost $1.37 less per copy if you buy the set.

Step-by-step explanation:

In order to find the price for the set of 6 books we will set up an equation to do so.

$6b=41.25$

Next we can solve for b

$b=\frac{41.25}{6} \\\\b=6.875\\b=6.88$

As we are using money, we must round b up in order to retain the needed 2 decimal places.

Now we can find the difference from the price of a single book compared to the price of the set

$8.25-6.88=1.37$

7 0

4 years ago