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swat32
3 years ago
9

Solve for x The value of x is

Mathematics
1 answer:
7nadin3 [17]3 years ago
7 0

Answer: x=13

Step-by-step explanation: All equal sides and angles

All  angle equal 13

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The ramp shown in the diagram has a rise of 225 cm and it makes an angle 40° with the floor.
Kazeer [188]

The length of the ramp calculated using Pythagoras is approximately 350 cm

From the diagram attached :

  • Height of ramp = opposite = 225 cm

  • Angle of inclination, θ = 40°

Using Pythagoras ; the length of the ramp can calculated as follows :

Sin θ = opposite / hypotenus

Sin 40° = 225 / hypotenus

Cross multiply

Hypotenus × 0.6427876 = 225

Divide both sides by 0.6427876 to isolate the hypotenus

Hypotenus = 225 / 0.6427876

Hypotenus = 350.03786 cm

Therefore, the length of the ramp which is the hypotenus is approximately 350 cm

Learn more : brainly.com/question/10040532

6 0
3 years ago
Can anybody help me on this?
Eduardwww [97]

Answer: second option.

Step-by-step explanation:

You need to descompose the radicand 8 and the radicand 50 into their prime factors:

8=2*2*2=2^2*2\\50=2*5*5=2*5^2

Then you can rewrite the expression:

\sqrt{8}+\sqrt{50}

=\sqrt{2^2*2}+\sqrt{2*5^2}

Since:

\sqrt{a^2}=a

You can simplify the expression:

=2\sqrt{2}+5\sqrt{2}

As the indices and the radicands are the same, you can make the addition:

=7\sqrt{2}

4 0
3 years ago
The sum of three numbers is 83. The second number is 5 less than the first. The third number is 2 times the first. what are the
coldgirl [10]

Answer:

22, 17, and 44.

Step-by-step explanation:

So what you do is you will have three equations that we will put together.

1. x. The first number is x because they don't give us anything about it.

2. x-5. It says that the second number is 5 less than the first number.

3. 2x. It says that the third number is 2 times the first number.

<em>x+x-5+2x=83. </em>

<em>4x-5=83.</em>

<em>4x=88.</em>

<em>x=22. </em>

That is the first number. To find the second and third, you will plug 22 into the x.

2. 22-5=17.

3. 2(22)=44.

22, 17, 44 are your answers.

4 0
3 years ago
If triangle XYZ is congruent to triangle RST find RS
Alina [70]

Answer:

If two triangles Δ RST and Δ XYZ are similar, then corresponding angles are equal and their corresponding sides are proportional.

So here ∠R=∠X, ∠S=∠T and ∠T=∠Z

7 0
3 years ago
Read 2 more answers
X-intercepts y = (3x+8) (5x-3) (x+1)
Anna [14]
(-8/3,0) ; (3/5,0) ; (-1,0)
6 0
4 years ago
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