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mestny [16]
3 years ago
13

Find the values of x and y. 107 X= y=​

Mathematics
1 answer:
Debora [2.8K]3 years ago
8 0

Answer:

y= 73 degrees

x=34 degrees

Step-by-step explanation:

180-107=73

y= 73 degrees

73+73= 146

180-146=34

x=34 degrees

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A solid right pyramid has a square base. The length of the
Wittaler [7]

Answer:

The volume of the pyramid is 16 cm³.

Step-by-step explanation:

The volume of squared-base pyramid is given by the formula:

V=A\times \frac{h}{3}

Here,

V = volume of the squared-base pyramid

A = area of the square base

<em>h</em> = height of the pyramid.

The information provided is:

<em>a</em> = side of square = 4 cm

<em>h</em> = 3 cm

Compute the area of the square base as follows:

A=a^{2}\\=4^{2}\\=16\ \text{cm}^{2}

Compute the volume of squared-base pyramid as follows:

V=A\times \frac{h}{3}

   =16\times \frac{3}{3}\\\\=16

Thus, the volume of the pyramid is 16 cm³.

7 0
3 years ago
Hector ' s age is 4 less than a number x. Hector is 12 years old. Find the number.
In-s [12.5K]
12+4 =x so you would add 12=4 to get 16. or x=16 
3 0
3 years ago
How do you write "the difference between twenty and a number and four is six" as an algebraic expression?
kicyunya [14]
Using the variable x for the unknown number, 

20 - (x + 4) = 6

is your answer!
Hope I helped :)
5 0
3 years ago
X + y = 4 <br>y = 1<br>write in slope intercept form​
Ne4ueva [31]

Answer:

this is so wrong so 76 89676

Step-by-step explanation:

wrong 95454

4 0
3 years ago
Pls,pls,pls,help me I will give lots of pound 100+ points
Bond [772]

Answer:

  1. 3log(10) -2log(5) ≈ 1.60206
  2. no; rules of logs apply to any base. ln(x) ≈ 2.302585×log(x)
  3. no; the given "property" is nonsense

Step-by-step explanation:

<h3>1.</h3>

The given expression expression can be simplified to ...

  3log(10) -2log(5) = log(10^3) -log(5^2) = log(1000) -log(25)

  = log(1000/25) = log(40) . . . . ≠ log(5)

  ≈ 1.60206

Or, it can be evaluated directly:

  = 3(1) -2(0.69897) = 3 -1.39794

  = 1.60206

__

<h3>2.</h3>

The properties of logarithms apply to logarithms of any base. Natural logs and common logs are related by the change of base formula ...

  ln(x) = log(x)/log(e) ≈ 2.302585·log(x)

__

<h3>3.</h3>

The given "property" is nonsense. There is no simplification for the product of logs of the same base. There is no expansion for the log of a sum. The formula for the log of a power does apply:

  \log(a)\log(b)=\log(a^{\log(b)})=\log(b^{\log(a)})

Numerical evaluation of Mr. Kim's expression would prove him wrong.

  log(3)log(4) = (0.47712)(0.60206) = 0.28726

  log(7) = 0.84510

  0.28726 ≠ 0.84510

  log(3)log(4) ≠ log(7)

4 0
2 years ago
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