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Nuetrik [128]
3 years ago
6

Find x pls help lol

Mathematics
1 answer:
dmitriy555 [2]3 years ago
3 0

Answer:

x=6

Step-by-step explanation:

x is the geometric mean of 3 and 12.

3 · 12 = x²

x=6

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The coordinates of the vertices of the triangle are
Alecsey [184]

The area of the triangle PQR is 108 square units

<h3>How to determine the area of the triangle?</h3>

The given parameters are:

  • Height, h =  12 units
  • Base, b = 18 units

The area is then calculated using:

Area = 0.5 * base * height

So, we have:

Area = 0.5 * 18 * 12

Evaluate

Area = 108

Hence, the area of the triangle PQR is 108 square units

Read more about areas at:

brainly.com/question/24487155

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6 0
2 years ago
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A librarian wants to spend no more than $800 on some new desks and chairs for the library. The librarian decides to spend $320 o
sertanlavr [38]

Answer:

20 chairs

Step-by-step explanation:

Since we are given the amount total budget and the total amount for the desks then the only variable missing is the maximum amount of chairs. This can be solved with the following equation in which s represents the number of chairs, and we simply solve for s.

800 = 320 + 24s  ... subtract both sides by 300

500 = 24s ... divide both sides by 24

20.83 = s

Now we see that the maximum number of chairs that the librarian can buy is 20 because 21 would make her go over the budget and you cannot have 0.83 of a chair.

5 0
4 years ago
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Mr. Applebaum told his wife that he weighed 180 pounds before his doctor’s appointment. When he got to the doctor’s office and w
iren2701 [21]

Answer:

The percent error was 115% .

Step-by-step explanation:

It's ez u can do it on a calculator.

5 0
2 years ago
Simplified, -14xy − (-3xy) is
Debora [2.8K]

Answer:

-11xy

Step-by-step explanation:

-14xy -(-3xy)

multiply the bract first - sign * minus sign is plus sign

-14xy+3xy

since they are like terms u can subtract them.u should subtract them because minus and plus means subtract and we should put minus sign in front of the answer because 14 is the highest number and it's sign is negative .

-11xy

5 0
3 years ago
PLEASE HELP 33 POINTS AND I WILL MARK BRAINLIEST!!!!!!!! THANKS!!!!!!!!!!!
zysi [14]

(a) Volume of any Pyramid =   \frac{1}{3} * (Base-Area)*height = \frac{1}{3} *220.22*9 = 660.66 cubic units

(b) Sarah doesn't have to go through all the hard work as the smaller pyramid has a ratio of 2:3 to the bigger pyramid, so we get the equation, to help us solve it.

660.66 = \frac{2}{3} *(Area-of-larger-pyramid)

Hope that helps!

3 0
2 years ago
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