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KatRina [158]
2 years ago
5

2/3 + y = 1/4. solve for y

Mathematics
1 answer:
Alika [10]2 years ago
7 0

Hi! Your answer for y will be y = -5/12

Step-by-step explanation:

1. Re arrange items.  2/3 + y = - 1/4

                                    y + 2/3 = 1/4

2. Subtract 2/3 from each side.

y+2/3=1/4

y + 2/3 - 2/3 = 1/4 - 2/3

3. Simplify. Subtract the numbers. y = - 5/12

Hope this helps! Have a great day! :)

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A sealed tank of water measures 10cm x 8 cm x 40cm. When it stands on one
Pavel [41]

Answer:

New height = 6

Step-by-step explanation:

The water is going to be the same volume no matter how the tank is orientated.

So you can do this 2 ways.

First way

Find the volume in the tank when the water goes up 24 cm on the height.

V = L*W*h

L = 8

W = 10

H = 24

V = 1920 cm^3

Now do it using the

L = 40

W = 8

h = ?

1920 = L * W * h

1920 = 40 * 8 * h

1920 = 320 * h

h * 320 = 1920

h = 1920/320

h = 6

Or you can do it without finding the 1920

L*W*h = L1 * w1 * h1

8*10*24 = 40 * 8 * h                                The 8's cancel

10*24 = 40*h                                           Divide both sides by 10

24 = 4h                                                    Divide by 4

h = 6

Same as you got before.

7 0
3 years ago
What is the area of half circle with a radius of 40 cm?<br><br> PLEASE HELPPP ILL GIVE BRAINLIEST
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Step-by-step explanation:

cm2

3 0
3 years ago
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inysia [295]

Answer:

\frac{b+a}{b-a}

Step-by-step explanation:

Tan θ = \frac{perpendicular}{base} = \frac{b}{a}

So, Perpendicular = b, base = a

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c^2 = a^2+b^2

=> So, <u><em>hypotenuse = c</em></u>

Sin θ = \frac{perpendicular}{hypotenuse}= \frac{b}{c}

Cos θ = \frac{base}{hypotenuse}= \frac{a}{c}

So, <u><em>Now finding </em></u>\frac{sin\theta+cos\theta}{sin\theta-cos\theta}

=> \frac{b}{c} + \frac{a}{c} ÷ \frac{b}{c} - \frac{a}{c}

=> \frac{b+a}{c} ÷ \frac{b-a}{c}

=> \frac{b+a}{c} * \frac{c}{b-a}

=> \frac{b+a}{b-a}

4 0
3 years ago
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katovenus [111]

Answer:

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