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3 years ago

Find the missing angel by using an equation

Mathematics

1 answer:

solmaris [256]3 years ago

6 0

Lets x = missing angle

x = 180 - (60+80)
x = 180 - 140
x = 40

answer
40

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Find the slope of the line that passes through the pair of points (–8.5, 12.25) and (0.2, 8.3).

sveta [45]

Slope = difference in y / difference in x
slope = 12.25 -8.3 / -8.5 -.2
slope = 3.95 / -8.7
slope = -0.4540229885

4 0

3 years ago

Pic below ......................................

nekit [7.7K]

Answer:

$d = \sqrt{65}$

Step-by-step explanation:

We need to find the distance between the points (5, 2) and (1, 9). In order to do this, we will use something called the distance formula. The distance formula is written as follows:

$d = \sqrt{(x_{1}-x_{2})^{2}+(y_{1}-y_{2})^{2}}$

Now we need to plug in our points which we have given in the form (x, y):

$d = \sqrt{(5-1)^{2}+(2-9)^{2}}$

Next, perform the operation of subtraction inside the parentheses to simplify:

$d = \sqrt{(4)^{2}+(-7)^{2}}$

The exponent is the next step in the order of operations, so square 4 and -7:

$d = \sqrt{16+49}$

Finally, add 16 to 49:

$d = \sqrt{65}$

The square root of 65 cannot be simplified further, but an approximation can be made.

$\sqrt{65}$ ≈ 8.062257748

7 0

3 years ago

What is the y-intercept and slope of the line

bezimeni [28]

Answer:

In the equation of a straight line (when the equation is written as "y = mx + b"), the slope is the number "m" that is multiplied on the x, and "b" is the y-intercept (that is, the point where the line crosses the vertical y-axis). This useful form of the line equation is sensibly named the "slope-intercept form".

Step-by-step explanation:

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3 years ago

The unit price of a 128-ounce jug of milk is 4.8 cents per ounce. A 64-ounce carton of milk has a unit price of 5.1 cents per ou

givi [52]

Pretty sure it’s $0.38. Hope this helped :)

3 0

3 years ago

Read 2 more answers

Solve the following equation for x 10=2-4(ax-3)

likoan [24]

Answer:

$\large\boxed{x=\dfrac{1}{a}}$

Step-by-step explanation:

$2-4(ax-3)=10\qquad\text{subtract 2 from both sides}\\\\-4(ax-3)=8\qquad\text{divide both sides by (-4)}\\\\\dfrac{-4(ax-3)}{-4}=\dfrac{8}{-4}\\\\ax-3=-2\qquad\text{add 3 to both sides}\\\\ax-3+3=-2+3\\\\ax=1\qquad\text{divide both sides by}\ a\neq0\\\\x=\dfrac{1}{a}$

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3 years ago