3 years ago

The picture shows a triangular island: Which expression shows the value of c?

Mathematics

1 answer:

xenn [34]3 years ago

8 0

Answer:

c = b/cos 45

Step-by-step explanation:

SOHCAHTOA

We use Cos
Cos 45 = b/c
c = b/cos 45

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How to solve <br> 2(-3x + 4) = 5x + 2

ryzh [129]

Answer:

x = 6/11

Step-by-step explanation:

2(-3x + 4 ) = 5x + 2

-6x + 8 = 5x + 2

- 2 - 2

-6x + 6 = 5x

+6x +6x

6 = 11x

/11 /11

6/11 = x

8 0

2 years ago

What is the approximate curcumfrance of the circle shown below?

Vikki [24]

Answer:

Step-by-step explanation:

Circumference=PI*diameter

Circumference=3.14*19.5

Circumference=61.23 rounds to 61.2 so the answer is C

3 0

3 years ago

He earns a fixed weekly salary of $300 plus a fee of $5 for each car he parks. His potential earnings for a week are shown in th

tamaranim1 [39]

I think what you are looking for is 5x=300 therefore x=60 so at 60cars he would start to make more.

3 0

2 years ago

What is the volume of a sphere with a radius of 3 inches? 12π cubic inches 24π cubic inches 36π cubic inches 48π cubic inches

Anni [7]

Answer:

The answer is

<h2>36π cubic inches</h2>

Step-by-step explanation:

Volume of a sphere is given by

where r is the radius

From the question

r = 3 inches

Substitute the value into the above formula and solve for the volume

That's

<h3> $V = \frac{4}{3}( {3})^{3} \pi \\ = \frac{4}{3} \times 27\pi \\ = 4 \times 9\pi$ </h3>

We have the final answer as

<h3>36π cubic inches</h3>

Hope this helps you

4 0

2 years ago

I need the right answer please

Tpy6a [65]

Answer:

a) i) x = 6, y = 9

ii) 20

iii) -5

b) -40

Step-by-step explanation:

3(6) - 2(9)

18 - 18 = 0

greatest

3(10) - 2(5)

30 - 10

least

3(5) - 2(10)

15 - 20

-5

5(a - 4b)

5[-7 - 4(¼)]

5(-7 - 1)

5(-8)

-40

7 0

3 years ago