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Sergio039 [100]
3 years ago
13

PLEASE HELP IM DESPERATE AND WILL VOTE BRAINLIEST

Mathematics
2 answers:
Dahasolnce [82]3 years ago
6 0

Answer:

5

Step-by-step explanation:

Zina [86]3 years ago
5 0
The answer is 5

i hope this helps luv ❤️❤️❤️ have a great day!
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Solve the following system of liner equations:
nexus9112 [7]
First we get the value of y in terms of x

We have 2x + y + 9 = 0

We transpose 2x and 9 to the other side so we could get the value of y being:
y = - 2x - 9

Now that we have the value of y we can substitute it to the first equation
6x - 3y + 10 = 0
6x - 3 (-2x - 9) + 10 = 0
Simplifying the inside of the parentheses we would have
6x - (3)(-2x) - (3)(-9) + 10 =0
6x + 6x + 27 + 10 = 0

Combining similar terms we would get
12x + 37 = 0
We transpose 37 to the other side for easier simplification
12x = - 37
We divide both sides by 12 to get the value of x
12x/12 = - 37/12
Since 12/12 is equal to 1 our value of x would be
x = - 37/12
Or simply x = - 3.0833

Now that we know the value of x we can use it to obtain the value of y
y = - 2x - 9
y = - 2(-37/12) - 9
y = 37/6 - 9
y = - 17/6
Or in decimal y = - 2.8333

Final values of x and y would be
x = - 3.0833
y = - 2.8333
3 0
3 years ago
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What is the verbal expression for this problem?
hodyreva [135]

Answer:

3(9+r)

Step-by-step explanation:

pretty sure that should be it if not then mb

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A school secretary plans to order 510 sandwiches for a school picnic. He asks 85 randomly selected students which type of sandwi
Artist 52 [7]

Answer:

85 will be the answer

Step-by-step explanation:

please mark as braillenest

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Which calculation should be completed first to solve this story problem?
vichka [17]
Im going with c because its sound like a very strong strong answer to me hope this helped
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If the volume of a rectangular prism is 240 cm3. What would be the dimensions?
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Answer:

I'm pretty sure the Volume of pyramid is  

80 cm

Step-by-step explanation:

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