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aev [14]
3 years ago
10

Find the area of the triangles. Show all work and make sure to include the formula you used!

Mathematics
1 answer:
Ratling [72]3 years ago
8 0

The formula for area of a triangle is A= bh/2

So 8•5/2 is 40/2= 20

Then 13•19/2 is 247/2= 123.5

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F(h) = -2(h - 4)2 + 22.​
Ivenika [448]
Here’s what I found that can help you step by step

5 0
3 years ago
On Mars the acceleration due to gravity is 12 ft/sec^2. (On Earth, gravity is much stronger at 32 ft/sec^2.) In the movie, John
insens350 [35]

Solution :

Given initial velocity, v= 48 ft/s

Acceleration due to gravity, g = $12\ ft/s^2$

a). Therefore the maximum height he can jump on Mars is

     $H_{max}=\frac{v^2}{2g}$

     $H_{max} = \frac{(48)^2}{2 \times 12}$

               = 96 ft

b). Time he can stay in the air before hitting the ground is

   $T=\frac{2v}{g}$

  $T=\frac{2 \times 48}{12}$

     = 8 seconds

c).  Considering upward motion as positive direction.

     v = u + at

We find the time taken to reach the maximum height by taking v = 0.

     v = u + at

     0 = 16 + (12) t

     $t=\frac{16}{12}$

        $=\frac{4}{3} \ s$

We know that, $S=ut + \frac{1}{2}at^2$

Taking t =  $=\frac{4}{3} \ s$  , we get

$S=16 \times\frac{4}{3} + \frac{1}{2}\times(-12) \times \left(\frac{4}{3}\right)^2$

$S=\frac{32}{3}$  feet

Thus he can't reach to 100 ft as it is shown in the movie.

d). For any jump whose final landing position will be same of the take off level, the final velocity will be the initial velocity.

Therefore final velocity is = -16 ft/s

3 0
3 years ago
Write log2 0.25 = -2 in exponential form​
oee [108]

Answer:

0.25 = 2^-2

The "^" means that -2 is an exponent on top of 2.

6 0
3 years ago
If (7^2)P = 7^6, what is the value of p? I will mark brainliest<br> 2<br><br> 3<br><br> 4<br><br> 8
Volgvan

Answer:

3

Step-by-step explanation:

5 0
3 years ago
A student is given the rectangle and the square shown. The student states that the two figures have the
VladimirAG [237]

Answer:

correct

Step-by-step explanation:

The perimeter is the sum of the sides.

Rectangle ( opposite sides are congruent ), thus

perimeter = 2x + 2(x + 18) = 2x + 2x + 36 = 4x + 36

Square ( sides are congruent ), thus

perimeter = 4(x + 9) = 4x + 36

The perimeters are the same, so the student is correct

5 0
3 years ago
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