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ipn [44]
2 years ago
13

A rectangular pyramid has a base that measures 8 inches by 10 inches, a height of 12 inches, and a slant height of 15 inches. el

ena calculated the volume of the pyramid as shown. v = 1 3 bh v = 1 3 (80)(15) v = 400 in.3 what was her mistake? elena used the wrong units. elena incorrectly used the slant height instead of the height. elena multiplied incorrectly. elena should not have multiplied by one third.
Mathematics
2 answers:
mamaluj [8]2 years ago
3 0

Answer:

Elena incorrectly used the slant height instead of the height.

Step-by-step explanation:

Dafna1 [17]2 years ago
3 0

Answer:

its b

Step-by-step explanation:

i got it right

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Tourists from a tour bus were asked about places they visited during their stay in a city. The results are shown in the table.
denis23 [38]
So I added all of the numbers of tourists together, I got 30 tourists. Then I saw that the number of tourists that visisted the museum but not the zoo was 5. I divided 5 by 30 and got that there was a 16% chance that a randomly selected tourist would of visited the museum but NOT the zoo. 
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3 years ago
Eric reflected parallelogram ABCD across the x-axis. If angle A is 125° and angle B is 55°, what is the degree measurement of an
Sindrei [870]

Answer:

The measure of angle A' is 125°

Step-by-step explanation:

we know that

Under reflection, lengths, areas and angles do not change but orientation does

therefore

If angle A is 125°

then

after the reflection

m∠A=m∠A'

therefore

The measure of angle A' is 125°

7 0
3 years ago
Solve using the quadratic equation.<br> –3x2 - 4x + 10 = 0
d1i1m1o1n [39]

Answer:

x =(-4-√136)/6=(-2-√ 34 )/3= -2.610

or

x =(-4+√136)/6=(-2+√ 34 )/3= 1.277

Step-by-step explanation:

8 0
3 years ago
HELP PLS <br> Name the intersection of plane K and plane L.
SCORPION-xisa [38]

Answer:

line MN

Step-by-step explanation:

If two planes intersect, then the intersection is a line.

Answer: line MN

4 0
2 years ago
Problem 3
Murljashka [212]

Answer:

-\frac{2}{5}

Step-by-step explanation:

Given expression:

           2x + 5y = -10

The equation of a straight line is;

            y = mx + c

y and x are the coordinates

m is the slope

c is the intercept

 Now;

          let us write the given expression in slope intercept format;

            2x + 5y  = -10

                    5y = -2x - 10

                     y = -\frac{2x}{5}  - 2

So, the slope of the line is -\frac{2}{5}

8 0
3 years ago
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