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NeX [460]
3 years ago
12

HELP QUICKLY PLZ!!!

Mathematics
1 answer:
Volgvan3 years ago
3 0
<h2>Greetings!</h2><h3>1) If 7g = 315, then to get 1g you simply divide both sides by 7:</h3>

7 ÷ 7 = 1

315 ÷ 7 = 45

So g = 45

<h3> 2) If you divide 87 by h you get 4, you can simply reverse this and divide 87 by 3:</h3>

87 ÷ 3 = 29, so h is 29.


<h2>Hope this helps!</h2>
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Find equations of the line that is parallel to the z-axis and passes through the midpoint between the two points (0, −4, 9) and
Lorico [155]

Answer: x = -4, y = 0.5, z = 5 +t

Hi!

The line L whose direction is parallel to vector V a passes through point A

is parametrized

P_L = Vt + A

Where t, is a real number, and P_L is a any point on line L.

In this case the direction is that of the z-axis , so V = (0, 0, 1)

A is the midpoint between points B = (0, -4, 9) and C=(-8, 5, 1)

The midpoint is A = (B + C)/2 = (-4, 0.5, 5)

Then the line is:

P_L = (0,0,1) t + (-4, 0.5, 5)

The equations for each coordinate are:

x = -4\\y = 0.5\\z = 5 + t

7 0
3 years ago
What is algebra? What do you do with algebra?
tigry1 [53]

Algebra is a very important branch of math.

Algebra is a lot like arithmetic which means it follows all the rules of arithmetic, and it still uses the four main operations that arithmetic is built on.

In arithmetic, the only thing that was unknown was the answer to the problem. For example, 39 + 2 = 41.  In algebra, we use a variable to represent the number. A variable is a letter that represents any number. The most common variable is "x".

6 0
3 years ago
What is the perimeter of the trapezoid?
Nikolay [14]

Answer:

88

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8x8=64

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7 0
3 years ago
A restaurant has 10 sodas that come in 12 different cup sizes. How many different drinks can you order?
uranmaximum [27]

Answer:

There are 120 different drinks that you can order.

Step-by-step explanation:

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For each options, there are 12 different cup sizes.

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3 0
3 years ago
Least to greatest 2.3 2 4/5 2.6
Volgvan
2.3 is smaller than 2.6: we can see it just by looking at the digits from left to right.

now, where does 2\frac{4}{5} stand?

 its fraction part is equal to

\frac{4*2}{5*2}=  \frac{8}{10}

do that means that 2\frac{4}{5}=2.8

which is bigger than 2.6

so the final order is

2.3 2.6 2\frac{4}{5}




5 0
3 years ago
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