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fiasKO [112]
3 years ago
12

What is the value of y in the equation 5x + 2y =

Mathematics
1 answer:
a_sh-v [17]3 years ago
8 0

Answer:

Not Enough Details

Step-by-step explanation:

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I need help pretty please!
Naddika [18.5K]

Answer:

cos(z) = .3846153846 and angle z = 67.38°

Step-by-step explanation:

Side UV is corresponding to side YX.  Side VW is corresponding to side YZ.  Side UW is corresponding to side XZ.

Starting with the first corresponding pair, we are told that side UV is 36, and that side YX is 3/5 of that.  So side YX is

\frac{3}{5}*36=21.6

We are next told that side VW is 39, so side YZ is

\frac{3}{5}*39=23.4

In order to find the cos of angle z, we need the adjacent side, which is side XZ.  Side XZ is 3/5 of side UW.  Right now we don't know the length of side UW, so we find it using Pythagorean's Theorem:

39^2-36^2=UW^2 and

UW^2=225 so

UW = 15

Now we can say that side XZ is

\frac{3}{5}*15=9

The cos of an angle is the side adjacent to the angle (9) over the hypotenuse of the triangle (23.4) so our ratio is:

cos(z)=\frac{9}{23.4}

which divides to

cos(z) = .3846153846

If you need the value of the angle, use the inverse cosine function on your calculator in degree mode to find that

angle z = 67.38°

3 0
2 years ago
2/5<br>of an hour (in minutes)?​
Lena [83]

To convert hour into minute: (No. of hour × 60) minutes

So, 2/5 hours = (2/5 × 60) minutes = (120/5) minutes = 24 minutes

7 0
2 years ago
Read 2 more answers
Find value of x 4(x+6)° (5x+11)°
Evgesh-ka [11]

Value of x = 13°

Hope it helps you...

5 0
2 years ago
PLEASE HELP ASAP!!! It is urgent please.
Lubov Fominskaja [6]

Answer:

Diagonal \ of \ cuboid =\sqrt{ l^2 + b^2 +h^2} = \sqrt{121+25+49} = \sqrt{195}

option D

4 0
2 years ago
Ravi buys lunch at a restaurant.
ipn [44]

The price of Ravi's lunch, before tax and tip was added to the total cost of the meal is $13.19.

<h3>What is the price of the lunch?</h3>

Both the tax and the tip paid would increase the cost of the meal. Thus, their dollar value has to be subtracted from the total amount he pays.

Value of the lunch after the tip has been removed = (1 - 0.2) x 17.92 = $14.34

Value of the lunch after the tax has been removed = (1 - 0.08) x $14.34 = $13.19

To learn more about taxes, please check: brainly.com/question/25311567

#SPJ1

5 0
2 years ago
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