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Arada [10]
3 years ago
9

3(x - 5) = 30 I dont know how to solve this

Mathematics
2 answers:
Alona [7]3 years ago
4 0

Start by distributing the 3 through the parenthses on the left side.

This gives us 3x - 15 = 30.

Now add 15 to both sides to end up with 3x = 45.

Dividing both sides by 3, we fin that <em>x = 15</em>.

Anastaziya [24]3 years ago
3 0

Answer:

x=15

Step-by-step explanation:

3(x-5)=30

First, you would distribute the three to the x and the negative five.

3x-15=30

Then you would add 15 to the 15 to cancel it and to the 30 to make it even.

3x-15=30

  +15=+15=

3x=45

Finally, you would divide 3 into both sides, cancelling out the three and fiving you,

x=15

Hope this helped!

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A florist is creating centerpieces for an upcoming event later this evening. She has already been working for two hours and has
Kobotan [32]

Answer:

No inequality given but in my view answer is:

x ≥ 16

Step-by-step explanation:

Given that:

Total time = 6 hours

Remaining Time = 6 - 2 hours = 4 hours (40*6 =240 mins)

Time required for 1 centerpiece = 15 mins

We have to find inequality for x:

Number of centerpieces she makes = x

In 240 mins : 240/15 centerpieces can be made

                    = 16 centerpieces

If she works with the same speed or more efficiently the suitable inequality would be:

x ≥ 16

I hope it will help you!

5 0
3 years ago
What is the volume of this complex figure
andre [41]

The volume of the given figure is 210 cubic in..

We need to find the volume of the given figure.

<h3>What is volume?</h3>

Volume is a scalar quantity expressing the amount of three-dimensional space enclosed by a closed surface.

Divide the given figure into two convenient cuboids. That is one with dimensions length=4 in., breadth=2 in. and height=3 in. Another with length=4 in., breadth=4 in. and height=12 in.

We know that, the volume of cuboid =l×b×h cubic units.

Now, the volume of the cuboid=4×2×3=18 cubic in. and the volume of another

cuboid=4×4×12=192 cubic in.

The volume of the given figure=18+192=210 cubic in.

Therefore, the volume of the given figure is 210 cubic in.

To learn more about the volume visit:

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5 0
2 years ago
Which technique is most appropriate to use to solve each equation?
allochka39001 [22]
<span>x² + 4x = 15 can be solved best using the completing the square method.

2x(x−3)=0 can be best solved using the zero product property.
</span>
4 0
3 years ago
Read 2 more answers
Hey i need help! no stupid answers!
Ahat [919]
Your first equation would be:
65 + 3x - 10 + 2x = 180
Then simplify to get:
5x + 55 = 180
Subtract 55 from each side:
5x = 125
Now divide by 5 to find x:
x = 25

The measure of angle B = 65
The measure of angle C = 50

Hope this helps!! :)
8 0
3 years ago
Read 2 more answers
Find cos B using SOHCAHTOA
kirill115 [55]
The answer is 20 / 25
6 0
3 years ago
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