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Mazyrski [523]
3 years ago
6

How to add and subtract

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
4 0

Answer:

ask a teacher not here sorry

PS. just use google

Step-by-step explanation:

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Enter your answer as a number like this:42
NeX [460]
Im not sure if its y=19
y= 6(5)-11
y=30-11
y=19
3 0
3 years ago
What are the solutions of 3x+5=2x-7
san4es73 [151]
So you need to isolate the variable in order to get your answer. This is how you do it.

3x + 5 = 2x - 7
Subtract 2x from both sides.
1x + 5 = -7
Subtract 5 from both sides to have the variable by itself.
1x = -12
Divide 1 to both sides to find the value of x.
x = -12

Now we need to check.
3(-12) + 5 = 2(-12) - 7
-36 + 5 = -24 - 7
-31 = -31
Since both sides or the same you now know that -12 is the solution.
I hope this helps love! :)

5 0
4 years ago
Read 2 more answers
Which value of x is a solution of the inequality?
Vitek1552 [10]

Answer:

3566543222345556hghjgyuhh

8 0
3 years ago
A cylindrical cake with a height of 5 inches has a 30 degree slice removed. If the volume of the removed slice is 40 inches what
sesenic [268]

Answer: 5.52\ in.

Step-by-step explanation:

Given

Height of cylindrical cake is h=5\ in.

30^{\circ} slice is removed

Volume of the slice is V=40\ in.^3

Area of slice is

\Rightarrow \dfrac{30^{\circ}}{360^{\circ}}\times \pi r^2\\\\\Rightarrow \dfrac{\pi r^2}{12}

Volume of slice will be multiplication of area and height

\Rightarrow V=A\times h\\\\\Rightarrow 40=\dfrac{\pi r^2}{12}\times 5\\\\\Rightarrow \pi r^2=\dfrac{40\times 12}{5}\\\\\Rightarrow r^2=\dfrac{40\times 12}{3.142\times 5}\\\\\Rightarrow r^2=30.55\\\Rightarrow r=5.52\ in.

Hence, the radius of the cake is 5.52\ in.

4 0
3 years ago
My answer is 5.11<br><br> Correct ?
jarptica [38.1K]
Yes I think it is right
5 0
4 years ago
Read 2 more answers
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