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3 years ago

I need help with 2 more questions ??

Mathematics

2 answers:

Alekssandra [29.7K]3 years ago

5 0

Supplementary angles add up to 180 degrees
x=145 degrees

Tanya [424]3 years ago

3 0

Answer:

x = 145 degree

Step-by-step explanation:

Alternate angle 35deg is shown alone with x on the 180 degree line opposite the other 180 degree line.

180-35 = 145degree

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F(x) = 1/(5x-6)Find the derivative of this function

siniylev [52]

Given

$f(x)=\frac{1}{5x-6}$

To find the derivative of the give function,we apply below exponent rule first:

$\frac{1}{a}=a^{-1}$

So,

Next, we apply the chain rule:

So,

We substitute back u=(5x-6):

Simplify:

Therefore, the answer is:

$=-\frac{5}{(5x-6)^2}$

5 0

10 months ago

Brian works in the lab and feels an empty cylindrical flask with 200 cubic centimeters of liquid. The flask has a radius of 3 cm

Fittoniya [83]

Answer:

Step-by-step explanation:

volume of liquid in the flask= 200 cm^3

radius of the flask = 3 cm

height of the flask= 12 cm

volume of flask is given by =

putting values and solving we get =396 cm^3

therefore the volume unfilled= 396-200= 196cm^3

therefore % of volume unfilled= 196/396*100= 49.49%

6 0

3 years ago

Annie estimates that a bookcase is 78.25 inches .the actual height is 75.50 inches

UkoKoshka [18]

Percent error = (estimate - real)/(real) * 100

percent error = (78.25 - 75.50)/(75.50) * 100

percent error = 3.6%

8 0

3 years ago

12.5 of what number is 150

Y_Kistochka [10]

Answer: 1,200

Step-by-step explanation:

1,200 x .125 = 150

4 0

3 years ago

Read 2 more answers

Help pls, I need Help :D

Oliga [24]

Answer:

5

Step-by-step explanation:

Step 1. Get two points off the graph

Points: (-70, 0) and (-60, 50)

Step 2. Use the two points to find the slope

m = slope

m = change in y/change in x

m = y2 - y1/x2 - x1

m = 50 - 0/-60 - -70

m = 50/10

m = 5/1

m = 5

The slope is 5

3 0

2 years ago