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Alex73 [517]
3 years ago
12

Need help in math please Help me out someone.very much appreciated.

Mathematics
1 answer:
dangina [55]3 years ago
4 0
8x + 42 = 90
8x = 90 - 42 = 48
x =  48/8  = 6  answer
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What type of solutions does this equation have
nexus9112 [7]

Answer:

two imaginary numbers

Step-by-step explanation:

4 0
3 years ago
What is the area of the sector? Either enter an exact answer in terms of \piπpi or use 3.143.143, point, 14 for \piπpi and enter
n200080 [17]

Question:

What is the area of the sector? Either enter an exact answer in terms of π or use 3.14 and enter your answer as a decimal rounded to the nearest hundredth.

Answer:

See Explanation

Step-by-step explanation:

The question is incomplete as the values of radius and central angle are not given.

However, I'll answer the question using the attached figure.

From the attached figure, the radius is 3 unit and the central angle is 120 degrees

The area of a sector is calculated as thus;

Area = \frac{\alpha }{360} * \pi r^2

Where \alpha represents the central angle and r represents the radius

By substituting \alpha = 120 and r = 3

Area = \frac{\alpha }{360} * \pi r^2 becomes

Area = \frac{120}{360} * \pi * 3^2

Area = \frac{1}{3} * \pi * 9

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Solving further to leave answer as a decimal; we have to substitute 3.14 for \pi

So, Area = 3\pi becomes

Area = 3 * 3.14

Area = 9.42 square units

Hence, the area of the sector in the attached figure is 3\pi or 9.42 square units

8 0
3 years ago
What is 105 rounded to the nearest hundred?
Kaylis [27]

100 is 105 rounded to the nearest hundred hope it helped


7 0
3 years ago
A 100-foot ramp is tilted at a 45° angle. How high is the top of the ramp from the ground?
Paraphin [41]
Check the picture below.

now, let's rationalize the denominator.

\bf \cfrac{100}{\sqrt{2}}\cdot \cfrac{\sqrt{2}}{\sqrt{2}}\implies \cfrac{100\sqrt{2}}{\sqrt{2^2}}\implies \cfrac{100\sqrt{2}}{2}\implies 50\sqrt{2}

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3 years ago
Write an unit rate for this situation.<br> traveling 426 miles in 7 hours.
balu736 [363]

Answer:

60.857 miles /hour

Step-by-step explanation:

the unit rate is miles per hour

426 miles / 7 hours

60.857 miles /hour


6 0
3 years ago
Read 2 more answers
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