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Juliette [100K]
3 years ago
9

Make sure you show all your work for full points. What is y? yz 42 26 55

Mathematics
1 answer:
svetoff [14.1K]3 years ago
7 0
Y equal 55 .........
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A storage bin is 12ft long 4ft wide 2ft high what is the volume in cubic ft
MariettaO [177]
Hello!

This is a rectangular prism

The equation to find the volume of a rectangular prism is

V = whl

v is volume
w is width
h is height
l is length

Put in the values you know

V = 12 * 4 * 2

Multiply

V = 96

The answer is 96 cubic feet

Hope this helps!
7 0
3 years ago
How many solutions are there for the system x^2+4y^2=100 and 4y-x^2=-20
never [62]
There are 5 solutions for this system.

x^2 + 4y^2 = 100  ____1
4y - x^2 = -20  ____2
Add both 1 & 2 together. x^2 gets cancelled
4y^2 + 4y = 80   (send 80 to the other side and divide by 4)
Then equation the becomes : y^2 + y -20 =0
Now factorise the equation: (y+5) (y-4) = 0
Solve for y :  y = -5 and y = 4
Using the values of y to find the values of x. From equation 1:
x^2 = 100 - 4y^2    x = /100 - 4y^2  (/ means square root) Replace values of y
y = -5, x = /100 - 4(-5)^2 = /100 - 100 = 0
y = 4, x = /100 - 4(4)^2 = / 100 - 64 = /36 = -6 or 6
Thus we have 6 solutions y = -5, 4 and x = -6, 0, 6
6 0
3 years ago
Please I needa answer !!
Alecsey [184]

Answer:

the answer is B and C

Step-by-step explanation:

7 0
3 years ago
The equation y+6=1/3(x-9) is written in point-slope form. What is the equation written in slope-intercept form?
Margaret [11]

y+6=1/3(x-9)

Moved all terms from left to right that doesn't contain y

Y=-6 +1/3x-3

Simplify

Y=1/3x-9


Your answer is c.

3 0
3 years ago
Read 2 more answers
Mai is filling her fish tank. Water flows into the tank at a constant rate. Complete the table and answer the question below.
kvasek [131]

Answer:

r = 1.6

Step-by-step explanation:

Given

x   -----   y

0.5. --- 0.8

1. --- 1.6

3.--- 4.8

25. --- 40

Required

Determine the constant of proportionality

This can be calculated using the following formula:

y = rx ; Where r is the constant of proportionality;

Solve for r

r = \frac{y}{x}

When x = 0.5; y = 0.8

r = \frac{0.8}{0.5}

r = 1.6

When x =  1; y =1.6

r = \frac{1.6}{1}

r = 1.6

When x =  3; y = 4.8

r = \frac{4.8}{3}

r = 1.6

When x =  25; y = 40

r = \frac{40}{25}

r = 1.6

Notice that the value of r is constant throughout;

Hence:

r = 1.6

5 0
3 years ago
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