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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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bonufazy [111]

Answer:

-7x²=185-10

-7x²=175

x²=-25

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6 0
3 years ago
Find the circumference,<br> 18 ft
Marysya12 [62]

Answer:

56.549 feet

Step-by-step explanation:

Diameter. ft in m

18′0″ 56.55. 678.6 17.24

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5 0
2 years ago
Can someone help me I’ll give u 20 points
mamaluj [8]

Answer:

#1. X=3 and #2. Y=9

Step-by-step explanation:

Glad i could help, give me a follow, so if you need help with any other question, im here.

3 0
3 years ago
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Diver starts out at 339 feet below the surface. She then swims upward 207 feet. Use a signed number to
emmainna [20.7K]

Answer:

-132

Step-by-step explanation:

6 0
3 years ago
12. Determine the slope of the line having the equation 2x + y = 12
Virty [35]

Answer:

b. -2

Step-by-step explanation:

Note the slope-intercept form: y = mx + b

Note that:

y = (x , y)

m = slope

x = (x , y)

b = y-intercept

First, isolate the variable, y. Note the equal sign, what you do to one side, you do to the other. Subtract 2x from both sides of the equation:

2x (-2x) + y = (-2x) + 12

y = -2x + 12

Remember, m is the variable for the term that stands for the slope (directly next to the x variable). In this case, your answer will be -2

b. -2 is your answer.

~

4 0
3 years ago
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