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PtichkaEL [24]
3 years ago
8

Y = 4x - 2 y = x + 3

Mathematics
1 answer:
mihalych1998 [28]3 years ago
3 0

Answer:

Step-by-step explanation:

x = 1

(x^2-4x+3=0 or sin(x)=1)

x = 1

( x^2-4x+3=0 or sin(x)=1)

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Twelve more than 3 times a number is more than the opposite of 11
aleksley [76]

Answer: n > \frac{-23}{3}

Step-by-step explanation:

1. So, to understand this you need to understand that the opposite of 11 is -11.

2. Use the formula 3n+12>-11.

3. Subtract 12 from both sides (3n>-23)

4. Divide by 3 on both sides. (n>\frac{-23}{3})

5. You can go a step further and simplify into -7\frac{2}{3}.

6. n > \frac{-23}{3}

6 0
3 years ago
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Brainliest reward if you get this right plus 20 points
SOVA2 [1]

Answer:

The equation of the relation ⇒ y=\frac{6x}{z}

y = 18

Step-by-step explanation:

∵ y ∝ x/z

∴ y = kx/z

∵ y = 18 , x = 15 and z = 5

∴ 18 = 15k/5 ⇒ 18 = 3k

∴ k = 18/3 = 6

∴ y = 6x/z

∵ x = 21 and z = 7

∴ y = (6 × 21)/7 = 18

3 0
3 years ago
Jake is making cookies. To make 30 cookies, his recipe requires 4 eggs. Using this recipe, what is the total number of eggs he w
TiliK225 [7]

Answer:

16 eggs

Step-by-step explanation:

<u>Steps to answering this question </u>

  1. determine how many eggs would be required to make one cookies
  2. Multiply the answer gotten above by the number of cookies

Number of eggs needed for one cookie = 4/30 = 0.1333

Number of eggs needed for 120 cookies = 0.1333 x 120 = 16 eggs

8 0
2 years ago
Find the surface area of a cylinder with a height of 7 m and a base radius of 6 m.
weqwewe [10]

Answer:

489.84 m²

Step-by-step explanation:

Area of one 2d circle: πr² ⇒ π6² ⇒ 36π ≈ 113.04 (using 3.14 for pi)

Area of both 2d circles: 113.04 + 113.04 =226.08 m²

Now we have to find the width of the rectangle, which is equal to the circumference of either circle:

Width of rectangle: 2πr ⇒ 2π6 = 12π ≈ 37.68 (using 3.14 for pi)

We can find the area of the rectangle now, since the length was given

Area of rectangle: 37.68· 7= 263.76 m²

Surface Area: 263.76+226.08= 489.84m²

Hopefully this helps!

6 0
3 years ago
Please please please help
weqwewe [10]
I believe it’s 80^, sorry if i’m wrong :)
8 0
3 years ago
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