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GalinKa [24]
3 years ago
10

Explain how to write an equival3nt expresion using the associative property 2+(11+y)​

Mathematics
1 answer:
nignag [31]3 years ago
3 0

Answer:

13 + y

Step-by-step explanation:

hope i helped :) !

brainliest pleaseee !!?

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What is the length of s?​
vovangra [49]

Answer:

s = 16.97 units

Step-by-step explanation:

Since this is a right triangle, we can use trigonometry to figure out the lengths of the sides.

Look at the 45 degree angle. We can use the opposite side (12) and the hypotenuse (s) to solve for s.

Opposite and hypotenuse is sine, so we are using sine. The sine of 45 degrees is 0.70710678118. Make an equation like so:

  • 0.70710678118 = \frac{12}{s}, and we are solving for s.

Put a 1 in the denominator of sine(45 degrees) so you can cross-multiply.

  • \frac{0.70710678118}{1} =\frac{12}{s}

Cross multiply.

  • 0.70710678118s = 12

Divide both sides by sine(45 degrees).

  • s = 16.97

The length of side s is 16.97 units.

Another way to have done this problem is to use the Pythagorean theorem: a^2 + b^2 = c^2

Substitute 12 for a and b and solve for c, the hypotenuse.

  • (12)^2 + (12)^2 = c^2

Evaluate the exponents.

  • 144 + 144 = c^2

Add them together.

  • 288 = c^2

Square root 288 to solve for c.

c = 16.97, which is the same answer as you got using trigonometry.

6 0
3 years ago
Write an equation in point-slope form of the line that passes through the point (−3,6) and has a slope of 5.
strojnjashka [21]

Answer:

Below in bold.

Step-by-step explanation:

Point slope form is y - y1 = m(x - x1)

where m = the slope of the line and (x1, y1) is a point on the line.

Here m = 5, x1 = -3 and y1 = 6.

So we have:

y - 6 = 5( x - (-3))

y - 6 = 5(x + 3)   (Answer)

3 0
2 years ago
The producer of the news station posted an article about the high school's football championship ceremoney on a new website. The
-Dominant- [34]
Let x be the number of hours and Let y be the number of views.

x              y
1             125 
2              250
3               375
4            500
5            625
3 0
3 years ago
Read 2 more answers
Formula given in picture
yarga [219]
I think It's 0.9% I'm not sure though or 1.03%
4 0
3 years ago
If the measure of an angle is 13°, find the measure of its supplement.
aliya0001 [1]
Supplement mean the angle equals 180 degrees .
so 180-13
the other supplement equals 167
5 0
3 years ago
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