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Wittaler [7]
3 years ago
5

There are 430 people in a wave pool. Write an inequality that represents how many more people p can enter the pool.

Mathematics
1 answer:
san4es73 [151]3 years ago
5 0
1x=430 people .........
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There are 8 girls for every 7 boys on a field trip.if there 56 girls on the trip how many students are on the trip
Ket [755]

Well the first thing you need to do is set up a proportion.

8 girls         56 girls                          

--------    =   -----------

7 boys             x


Now what we have to do is find out what we multiplied by 8 to get 56.

Simply divide.

56 ÷ 8 = 7

So, we figured out that the magic number is 7!

So we multiply the boy number by 7

7 x 7 = 49

So this means that there are 49 boys on the field trip.

8 0
3 years ago
A student stands 20 m away from the foot
Ostrovityanka [42]

Answer:

Height of tree is \approx <em>15 m.</em>

<em></em>

Step-by-step explanation:

Given that student is 20 m away from the foot of tree.

and table is 1.5 m above the ground.

The angle of elevation is: 34°28'

Please refer to the attached image. The given situation can be mapped to a right angled triangle as shown in the image.

AB = CP = 20 m

CA = PB = 1.5 m

\angle C = 34°28' = 34.46°

To find TB = ?

we can use trigonometric function tangent to find TP in right angled \triangle TPC

tan \theta = \dfrac{Perpendicular}{Base}\\tan C= \dfrac{PT}{PC}\\\Rightarrow tan 34.46^\circ = \dfrac{PT}{20}\\\Rightarrow PT = 20 \times 0.686 \\\Rightarrow PT = 13.72\ m

Now, adding PB to TP will give us the height of tree, TB

Now, height of tree TB = TP + PB

TB = 13.72 + 1.5 = 15.22 \approx <em>15 m</em>

7 0
3 years ago
A. 6<br> B. ⟌50<br> C. ⟌34<br> D. 4<br><br> Which one?
AfilCa [17]

Answer:

C

Step-by-step explanation:

3^2 + 5^2 = x^2

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so the answer is C

6 0
3 years ago
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x^2-4x+1=0\\&#10;x^2-4x+4-3=0\\&#10;(x-2)^2=3\\&#10;x-2 =\sqrt3 \vee x-2=-\sqrt3\\&#10;x=2+\sqrt3 \vee x=2-\sqrt3
7 0
2 years ago
Rewrite the equation by completing the square.<br> f(x) = x^2 - 2x + 17<br> f(x) = (x + |?|)^2 + |?|
Komok [63]

Answer:

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Hope this helps

8 0
3 years ago
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