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Svet_ta [14]
2 years ago
13

Help me

Mathematics
1 answer:
Burka [1]2 years ago
8 0
What links r u talking abt
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2 times the sum of 3 and 6z
IgorC [24]
2 x (3+6z) = 6 +12z

This is how you do it
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Select the best possible first step to solving the system by first eliminating the x variable. 3x − 9y = 6 2x − 11y = 6
Klio2033 [76]
The first step would be to add 3x and 2x i believe but I am not sure 
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3 years ago
A basket contains 12 apples and some other fruit. Write an equation that could be used to find the total number of fruits in the
o-na [289]
A basket contains 12 apples and some other fruit
40% of the total fruit are apples...so 40% of the total fruit is 12..

0.40x = 12....with x being the total fruit in the basket <== ur equation
x = 12 / 0.40
x = 30....and u have 30 pieces of fruit in the basket
7 0
3 years ago
What percent is equivalent to 12/30 ?<br><br> 12%<br> 30%<br> 40%<br> 60%
laila [671]
12/30 is = 0.4 x 100 = 40% can I have brainliest if its right?
4 0
3 years ago
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3 An open cone has a vertical angle measuring 40°
belka [17]

Answer:

13.41 cm

Step-by-step explanation:

The radius, height, and HALF of vertical angle makes a triangle.

Where

Radius will be the base of the triangle

Height will be the "height" of the triangle

Top angle will be HALF of vertical angle (40/2 = 20)

From the 20 degree angle, the side "opposite" would be the radius, which is 30. The side "adjacent" would be the height, let it be h.

<em>Which trig ratio relates opposite and adjacent? Yes, that is TAN. Thus we can write:</em>

Tan(20) = opposite/adjacent

Tan(20) = 30/h

h = 30/Tan(20)

h = 13.41

So

The height of the cone would be around 13.41 cm

3 0
3 years ago
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