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pentagon [3]
3 years ago
12

You had $21 to spend on three gel pens. After buying the pens you had $12 left over. How

Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
7 0

Answer:

$3

Step-by-step explanation:

$21 - $12 = 9

9 / 3= 3

Answer is $3 each pen

koban [17]3 years ago
3 0

Answer:

Each pen cost 3 dollars

Step-by-step explanation:

12 plus 9 is 21 which is how much you had. if you need 3 pens and you spent 9 dollars each pen costs 3 dollars because 9 divided by 3 is 3.

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An online camping gear company ships two camping tents to a customer. Each tent weighs 6 lb 10 oz,. What is their combined weigh
dezoksy [38]
<em>The answer is 13 pounds (lbs.) and 4 ounces (oz.). There are 2 tents and each is 6 pounds. Add those together and that is 12 pounds. All that is left is to add the ounces. 10+10=20. Since there are only 16 ounces in a pound and we have 20 ounces, we add an extra pound and are left with 4 ounces. </em>
5 0
3 years ago
Read 2 more answers
The slope and unit rate
Julli [10]
The slope is 4/5 I think
6 0
3 years ago
Two stores are having a sale on T-shirts.Rose spends $63 for three T-shirts from store A and one from store B. Manny spends $140
Digiron [165]
Let a and b be store A and store B, respectively. Then:
3a+b=63
5a+4b=140
So
12a+4b=252
5a+4b=140
7a=112
a=16
b=15
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7 0
3 years ago
write the equation in slope intercept form of the line that passes through -1, 11 and is parallel to the graph of y = -8x + 3
lawyer [7]
<h2>Answer: The line from the question [ y = -8x + 3 ] passes through the point ( -1, 11 ). </h2>

<h3 /><h3>Step-by-step explanation: </h3>

<u>Find the slope of the parallel line</u>

When two lines are parallel, they have the same slope.

                 ⇒  if the slope of this line = - 8

                      then the slope of the parallel line (m) = - 8

<u>Determine the equation</u>

We can now use the point-slope form (y - y₁) = m(x - x₁)) to write the equation for this line:  

                               ⇒  y - 11  =  - 8 (x - (-1))                                

                                ∴  y - 11  = - 8 (x + 1)

We can also write the equation in the slope-intercept form by making y the subject of the equation and expanding the bracket to simplify:

                      since   y - 11  = - 8 (x + 1)

                                        y  = - 8 x  + 3

The line from the question [ y = -8x + 3 ] passes through the point ( -1, 11 ).

5 0
2 years ago
What is the probability of tossing two coins in Irvington bus land on heads?
d1i1m1o1n [39]
  • Sample space = {TT, HH, TH, HT} where T is tail and H is head.
  • Number of outcomes = 4
  • The probability of getting two heads on tossing two coins
  • =  (\frac{1}{4}  \times 100)\% \\  = 25\%

<u>Answer</u><u>:</u>

<u>D)</u><u> </u><u>2</u><u>5</u><u>%</u>

Hope you could understand.

If you have any query, feel free to ask.

6 0
2 years ago
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