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4vir4ik [10]
3 years ago
15

What is the value of z in the equation 4(2z + 3) = 12?

Mathematics
2 answers:
artcher [175]3 years ago
7 0
First u have to expand the brackets...
4 x 2z = 8z
4 x 3 = 12
8z + 12 = 12
Then you have to get numbers on one side, and letter on the other...
8z -12 = 12-12
8z = 0
then u have to divide 8z by 8 to find 1z or just z.
z = (0/8) = 0
z=0
Hope this helps :)
xxMikexx [17]3 years ago
6 0
<span>4<span>(<span><span>2z</span>+3</span>)</span></span>=<span>12
</span><span><span><span><span>(4)</span><span>(<span>2z</span>)</span></span>+<span><span>(4)</span><span>(3)</span></span></span>=12</span><span>(Distribute)
</span><span><span>8z</span>+12</span>=<span>12
</span><span>Step 2: Subtract 12 from both sides
</span><span><span><span>8z</span>+12</span>−12</span>=<span>12−<span>12
</span></span><span>8z</span>=<span>0
</span><span>Step 3: Divide both sides by 8
</span><span><span>8z/</span>8</span>=<span>0/<span>8
</span></span>z=<span>0</span>
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Alex17521 [72]

Answer:

3847 ft³

Step-by-step explanation:

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7 0
3 years ago
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Afina-wow [57]

Answer:

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Step-by-step explanation:

4 0
3 years ago
8,9,8,11<br> Mean:<br> Median:<br> Mode:<br> Range
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Mean: add all numbers together and divide by the amount of numbers there are.
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36/4 = 9
mean = 9

Median: Find the middle number. Since in this case it has an even amount of numbers, add the two middle numbers and divide by 2
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hope this helps
7 0
3 years ago
Read 2 more answers
A cylinder vase has a height of 10 inches and a diameter of 3 inches. If the water raises to 9/10 of the way to the top, approxi
goblinko [34]

Answer:

The volume of water in the vase is 64 in^3

Step-by-step explanation:

A cylinder vase has a height, h, of 10 inches and its diameter of 3 inches. This means that its radius, r, is:

r = 3 / 2 = 1.5 inches

To find the volume of the water in the vase if the water raises to 9/10 of the way to the top, we first have to find the volume of the vase when it is filled with water and then, find 9/10 of that volume.

The volume of a cylinder is given as:

V = \pi r^2h

The volume of the vase will be:

V = \pi * 1.5^2 * 10\\V = 70.69 in^3

Hence, the volume of the water in the vase when it is 9/10 filled is:

\frac{9}{10} * 70.69 = 63.62 in^3

Approximating to the nearest cubic inch, the volume of water in the vase is 64 in^3

5 0
3 years ago
What is the equation, in slope-intercept form, of the line plotted on the graph below?
USPshnik [31]
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(It looks like you may have accidentally typed answers C and D as the same.)
4 0
3 years ago
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