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zhenek [66]
3 years ago
15

Order of operations

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
7 0
PEMDAS

12*(3/4) comes first

8+9=17
zheka24 [161]3 years ago
3 0
You have to tines 12 and 3/4 then add 8
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A ski run is 1000 yards long with a vertical drop of 208 yards. Find the angle of depression from the top of the ski run to the
Lady_Fox [76]

Answer:

angle of depression = -12 degrees

Step-by-step explanation:

Sin = opposite/hypotenuse

sin = -208/1000

inv sin 0.208 = -12

8 0
3 years ago
What is the volume of a rectangular prism with a length of 1.4 meters, a width of 0.5 meter and a height of 1.8 meters?
AfilCa [17]

Answer:

1.26 m cubed

Step-by-step explanation:

1.4*.5*1.8= 1.26

8 0
3 years ago
Read 2 more answers
HELP! Please!<br> Answers,<br><br> A256 in2<br> b443.4 in2<br> c512 in2<br> d362 in2
Stella [2.4K]
The correct answer is c
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3 years ago
What number should be added to both sides to complete the square? x^2 + 8x = 4
son4ous [18]

Answer:

16

Step-by-step explanation:

x² + 8x = 4 ⇔ x² + 8x + 16 = 4 + 16 ⇔ x² + 2×4x + 4² = 20 ⇔ (x + 4)² = (2√5)²

Remark : (2√5)² = 20

8 0
3 years ago
What is the slope of the line that passes through (-2,-3) and (1,1)
kramer
Slope:
m =  \frac{y _{2} - y _{1}}{x_{2} - x _{1}}

Slope is rise over run. It is a ratio of the amount of the y-axis over the amount of x-axis. So, now assign the first group of numbers, (-2,-3) as 1; then the second group, (1,1) as 2. Like this:
first \: group(x _{1} ,y _{1}) \\ second \: group(x_{2},y_{2})
Notice the subscripted numbers designate the group number. Next, plug in the numbers and do the math.
\frac{1 - ( - 3)}{1 - ( - 2)}  =  \frac{1 + 3}{1 + 2}  =  \frac{4}{3}
So, the slope, m, is equal to four thirds.

m = 4/3
6 0
3 years ago
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