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mestny [16]
3 years ago
14

Find the volume of a pyramid with a square base, where the side length of the base is

Mathematics
1 answer:
Orlov [11]3 years ago
7 0

Answer:

2896.34 cubi centimetres

Step-by-step explanation:

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Question Which of these strategies would eliminate a variable in the system of equations? 2x - y = 11 5x + 3y = -11 How many pos
kenny6666 [7]

Answer:

Elimination (multiplication and subtraction)

There is 1 solution

Step-by-step explanation:

The only way to solve this system of equations is by elimination (multiplication). Let's say that we want to cancel out the x. You multiply the first equation by 5 and you multiply the second equation by 2.

Your equations now are:

10x-5y=55 and 10x+6y=-22

You can subtract these equations to get -11y = 77.

Now that we know that y = -7, we can substitute y in to solve x.

10x-5(-7) = 55

10x=20

x=2

Final answer (2,-7)

3 0
3 years ago
Three less than the product of 6 and a number is 45. What is the number?
strojnjashka [21]

Answer: 8

Step-by-step explanation:

6x-3=45

6x=48

x=8

5 0
2 years ago
Trigonometry please help! work need to be shown
padilas [110]

Answer:

x = 5.56

Step-by-step explanation:

Apply trigonometric function to find x

Reference angle = 46°

Hypotenuse = 8

Adjacent length = x

Apply CAH:

Cos 46 = Adj/Hyp

Cos 46 = x/8

8 × Cos 46 = x

5.55726696 = x

x = 5.56 (nearest hundredth)

7 0
3 years ago
In a fish tank 8over11 of the fish have a red stripe on them if 16 of the fish have stripes, how many total fish are
meriva
8/11 of what = 16

8/11x = 16
x = 16 * 11/8
x = 176/8
x = 22......so there are a total of 22 fish in the tank
8 0
3 years ago
Read 2 more answers
(x+3y=6<br> 16x + 18y = 36
jonny [76]

Answer:

X = 0 , y=2

Step-by-step explanation:

Check attachment

7 0
3 years ago
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