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3 years ago

Simplify. 14y+112+2−134y−12

2 answers:

6 0

You have to add the numbers that have like terms together. For example you would add the 14 y and the -134y and get -120y and then you would add the 112, 2, and the -12 and get a 102

So your answer would be -120y+102

ludmilkaskok [199]3 years ago

6 0

121-120y
i believe is the answer

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3 years ago

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For each triangle below find the side that marked with the letter.

Flura [38]

Answer:

All to 1 decimal place

3) a = 11.4

4) b = 11.2

5) c = 4.5

6) e = 6.4

7) f = 30.8

8) g = 67.9

Step-by-step explanation:

Step-by-step explanation:

3) cos(18) = a/12

12xcos(18) = a

a = 11.4

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3 years ago

Hzjwnsjwnziqnnsjansnsjans

natima [27]

Answer:

Step-by-step explanation:

Slope of line passing through $(x_1,y_1)$ and $(x_2,y_2)$ is given by,

m = $\frac{y_2-y_1}{x_2-x_1}$

From the graph attached,

Slope of the line passing through (-3, 0) and (0, 5) = $\frac{5-0}{-3-0}$

= $-\frac{5}{3}$

Line passing through a point (h, k) and slope 'm' will be,

y - h = m(x - k)

Since, line passing through (11, 0) is parallel to the line given in the graph,

Slope of the parallel line will be same as $-\frac{5}{3}$

Equation of a line passing through (11, 0) and slope = $-\frac{5}{3}$

y - 0 = $-\frac{5}{3}(x-11)$

y = $-\frac{5}{3}(x-11)$

Now satisfy this equation with the points given in the options,

Option (1)

For (1.67, -15.59),

-15.59 = $-\frac{5}{3}(1.67-11)$

-15.59 = -15.55

False.

Therefore, given point doesn't lie on the line.

Option (2)

For (-0.33, -13.59)

-13.59 = $-\frac{5}{3}(-0.33-11)$

-13.59 = -18.88

False

Option (3)

For (0.67, -18.59),

-18.59 = $-\frac{5}{3}(0.67-11)$

-18.59 = 17.22

False

Option (4)

For (1.67, -15.59)

-15.59 = $-\frac{5}{3}(1.67-11)$

-15.59 = -15.55

False.

Therefore, none of the points given in the options are lying on the line.

7 0

3 years ago

Use a calculator to find angle theta for which tan theta = 2. Round to the nearest hundredth.

Mashutka [201]

Answer:

in degrees: theta = 63.43°

in radians: theta = 1.11 rad

Step-by-step explanation:

To find the value of the angle theta that gives us tan(theta) = 2, we should use the inverse function of the tangent in the calculator, that is, the arc tangent function.

Then, if we use the arc tangent function (in some calculators, it may be shown as 'atan' or 'tan^-1') in the value 2, we would find:

atan(2) = 63.435°

So the angle theta that gives us tan(theta) = 2 is theta = 63.43°.

Be sure to check in the calculator if the answer is given in degrees or radians.

In radians, we would find theta = 1.1071 rad (rounded to nearest hundredth: theta = 1.11 rad)

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3 years ago