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hammer [34]
3 years ago
8

Sarah bought a binder for $7.25 and 6 folders that totaled $9.05 how much did each folder cost

Mathematics
1 answer:
jarptica [38.1K]3 years ago
7 0
The closest answer I got was 1.51. 

9.05/6=1.5083333333333333

I rounded the number to 1.51 and got $9.06, not $9.05.

Hope that helped :))
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Which trinomials are perfect square trinomials?
lora16 [44]
Perfect square is
a²+2ab+b²

so just take the square root of the end ones and add then double to get middle term


A.
m+10=10m, doubled is 20m
nope

B.
m+5=5m, doubled is 10m, yep

C.
m+2√15=fancy thing that won't get to 36m

D.
m+12=12m, doubled is 24m, yep


B and D
3 0
3 years ago
Read 2 more answers
An apartment has
DedPeter [7]
When you divide 972 by 10.8 you get the answer of 90. Hope this helps :)


8 0
3 years ago
the hypotenuse of a 45-45-90 triangle has a length of 10 units. what is the length of one of its legs?
SIZIF [17.4K]
When a triangle is a 45-45-90 triangle, the following rules apply:

-the 2 legs are equal lengths
- the length of the hypotenuse is: the square root of 2 x the length of a leg.
- the length of the leg is: hypotenuse divided by the square root of 2.

if the hypotenuse is 10, then 10 divided by the square root of 2 is how you find the leg.
the square root of 2 is <span>1.41421356237. 
10 divided by </span>1.41421356237 is <span>7.07106781188, which can be rounded to about 7.1. The length of one leg is about 7.1 units!</span>
6 0
3 years ago
OMG OKAY SORRY BUT AGAIN WILL DO ABSOLUTELY ANYTHING FOR THIS ONE
Illusion [34]

Answer:

55

Step-by-step explanation:

sinx = opposite/hypotenuse = 9/11

x = arcsin(9/11) = 54.9031987, which is about 55, degrees

8 0
3 years ago
How do I solve this problem?
lara31 [8.8K]

Answer:

x = 12

Step-by-step explanation:

(whole secant) x (external part) =  (whole secant) x (external part)

(6+x) *6 = (4+23) * 4

(6+x) *6 = 27*4

6(6+x) = 108

Divide each side by 6

6+x =18

Subtract 6 from each side

6+x-6 =18-6

x = 12

8 0
3 years ago
Read 2 more answers
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