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Dennis_Churaev [7]
3 years ago
7

Which value for x makes the sentence true?

Mathematics
2 answers:
KiRa [710]3 years ago
7 0
D. x = 5 because 10x+ -3x=35+3x+-3x
vekshin13 years ago
4 0
The answer is D. x=5
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Ben made a model (shown below) of the square pyramid he plans to build when he grows up.
elena-s [515]

Answer:

336 m^2

Step-by-step explanation:

The surface area of a square pyramid is the sum of the area of the squared base + 4 times the area of each triangular face, therefore:

A=A_b + 4A_t

where:

A_b=L^2 is the area of the base, where

L is the length of the base

A_t=\frac{1}{2}Lh is the area of each triangular face, where

h is the height of the face

Substituting,

A=L^2+2Lh

For the model in this problem,

L = 12

h = 8

Therefore, the surface area here is:

A=12^2 +2(12)(8)=336

4 0
3 years ago
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Verify csc^2t-cos t sect= cot^2 t
Ymorist [56]

Rewriting the left hand side,

csc²t - cost sec t

= (1/sin²t)-(cost)(1/cost)

= 1/sin²t - 1

= 1/sin²t - sin²t/sin²t

= (1-sin²t)/sin²t

= cos²t/sin²t

= cot²t

7 0
2 years ago
Read 2 more answers
Find the slope of the line.<br><br> A. -1/3<br> B. 1/3<br> C. 3 <br> D. -3
denis23 [38]
The answer is C! :)
8 0
3 years ago
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An object of mass weighing 5.24 kilograms is raised to a height of 1.63 meters. What is the potential energy of the object at th
Trava [24]
<span>Find force,
9.8 m/s2 x 5.24 kg = </span><span>51.352 N </span>

Find work,
<span><span>51.352 N x 1.63 m=  </span><span>83.70 N*m


</span>
Example:
To solve this given word problem we can first identify the given and the apt formula to use in this phenomenon: Given: Force = 4, 500 N = 4, 500 kg-m/s^2 Acceleration = 5 m/s^2   </span>
<span>Formula: f=ma </span>
<span>Derivation: m = f/a </span>
<span>Solution: </span><span><span>
1.    </span>M = f/a</span> <span><span>
2.    </span>M = 4,500 kg-m/s^2 / 5 m/s^2</span> <span><span>
3.    </span>M = 900 kg  </span> 

<span>Hence, the object’s mass is </span>900 kg.<span>
</span>



6 0
3 years ago
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in basketball, if a player is fouled, they are awarded a free throw.A free throw allows the player to take 1 or 2 shots dependin
avanturin [10]

Answer:

I'm confused what is the question?

Step-by-step explanation:

7 0
3 years ago
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