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3 years ago

List formulas for: Area of a triangle

Mathematics

1 answer:

Ede4ka [16]3 years ago

7 0

The formula for the area of a triangle is the base times the height, divided by 2. Or in simple forms, bh/2

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Vicky starts a new job with an hourly pay of $7.15. Suppose that her hourly pay increases by 5% each year. What will Vicky’s hou

Inessa [10]

Answer:

$8.22.

Step-by-step explanation:

since we know that Vicky's pay increases each year by 5% and we know how many years, we can just times that 5% by three and make it 15% From there, you just add 7.15 to .15 and you get your answer!

5 0

4 years ago

Read 2 more answers

6x + 3 = 2x + 8<br> Whats the answer

Elden [556K]

Answer:

4/5

Step-by-step explanation:

6x + 3 = 2x + 8

-3 -3

6x = 2x + 5

-2x -2x

4x = 5

x = 4/5

8 0

4 years ago

Solve the system by substitution y=x-1 and -2x-3y=-1

Trava [24]

Answer:

we havent learnt those subjects

Step-by-step explanation:

then let me ask my bri

7 0

3 years ago

Read 2 more answers

Cylinder A has radius r and height h as shown in the diagram. Cylinder B has radius 4r and height 4h. How many times greater is

svetlana [45]

Answer:

The surface area of Cylinder B is 16 times the surface area of Cylinder A

Step-by-step explanation:

<u>Note</u>: <em>It is assumed we are looking at the total surface area (but the answer would be same for both cases)</em>

<h3>Given</h3>

Cylinders A with radius - r, height - h,
Cylinder B with radius - 4r, height - 4h.

The ratio of total surface areas of cylinder B to A

<h3>Solution</h3>

Total surface area of cylinder A is:

$S_A = 2\pi r(h + r)$

Total surface area of cylinder B is:

$S_B = 2\pi(4r)(4r + 4h) = 8\pi(4)(r + h) = 32\pi(r + h)$

Find the ratio of areas:

$\cfrac{S_B}{S_A} =\cfrac{32\pi(r+h)}{2\pi(r+h)} =16$

3 0

3 years ago

a digital camera costs $ 140 and the sales tax rate is 7.5 % what us tge total cost of the camera after tax round to the nearest

stiv31 [10]

$140(.075) = 10.5
10.5+140= 150.50
the total would be $150.50

5 0

3 years ago