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GREYUIT [131]
3 years ago
8

At the calendar shop, wall calendars cost $8 and desk calendars cost $10. Steve spent $42 to buy 5 calendars. How many of each t

ype of calendar did Steve buy?
______ Wall Calendar

______ Desk Calender
Mathematics
2 answers:
alexira [117]3 years ago
6 0
4 wall calendars and 1 desk calendar
kodGreya [7K]3 years ago
3 0
He bought 4 wall calendars and 1 desk calendars

Because 4 X 8 = 32
And 1 x 10 = 10

32 + 10 = 42
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Geometry question! Help!
Karolina [17]

Answer: 2\sqrt{2}

Step-by-step explanation:

The inradius is given by the area of the triangle divided by the semiperimeter.

The semiperimeter is \frac{12+12+8}{2}=16.

Thus, by Heron's formula, the area is \sqrt{16(16-12)(16-12)(16-8)}=32\sqrt{2}.

Therefore, the radius is \frac{32\sqrt{2}}{16}=2\sqrt{2}}

8 0
1 year ago
Which statement is true about the difference 2√7-√28
maw [93]
It seems like there are answer choices but you forgot to post them. If you want to simplify then

2*sqrt(7) - sqrt(28) = 2*sqrt(7) - sqrt(4*7)
2*sqrt(7) - sqrt(28) = 2*sqrt(7) - sqrt(4)*sqrt(7)
2*sqrt(7) - sqrt(28) = 2*sqrt(7) - 2*sqrt(7)
2*sqrt(7) - sqrt(28) = (2-2)*sqrt(7)
2*sqrt(7) - sqrt(28) = (0)*sqrt(7)
2*sqrt(7) - sqrt(28) = 0

So the whole complicated expression simplifies to 0 (zero)

This is because sqrt(28) = 2*sqrt(7) when you simplify sqrt(28)

Side Note: "sqrt" is shorthand for "square root"

7 0
3 years ago
Which equation represents the situation? A university charges a $100 application fee and $720 per month tuition
Setler79 [48]

Answer:

y = 270x + 100

The x represents the number of months

and the 100 is the one time application fee

Step-by-step explanation:

5 0
3 years ago
A graph in the form y = ax2 will have a vertex at __
alex41 [277]

Answer: For a given quadratic y = ax2 + bx + c, the vertex (h, k)

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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inysia [295]
2/9=2.50
Allowence=2.50x9 divided by which gives you an answer of 11.25
Hope this helps you!
4 0
3 years ago
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