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3 years ago

A triangular pyramid has a height of 9 meters. The area of the base of the pyramid is 12

Mathematics

1 answer:

Paladinen [302]3 years ago

7 0

See picture for answer and solution steps.

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Student Produced Response - Calculator

faltersainse [42]

Answer:

$\dfrac{a}{b}=0.75$ .

Step-by-step explanation:

If two equations $a_1x+b_1y+c_1=0$ and $a_2x+b_2y+c_2=0$ has infinitely many solutions, then

$\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}$

The given equations are

$ax+by=10$

$3x+4y=20$

It is given that the above system of equations has infinitely many solutions. So,

$\dfrac{a}{3}=\dfrac{b}{4}=\dfrac{10}{20}$

$\dfrac{a}{3}=\dfrac{b}{4}=\dfrac{1}{2}$

Now,

$\dfrac{a}{3}=\dfrac{1}{2}$ and $\dfrac{b}{4}=\dfrac{1}{2}$

$a=\dfrac{3}{2}$ and $b=\dfrac{4}{2}$

$a=1.5$ and $b=2$

So, a=1.5 and b=2.

Now,

$\dfrac{a}{b}=\dfrac{1.5}{2}=0.75$

Therefore, $\dfrac{a}{b}=0.75$ .

5 0

4 years ago

What is the answer to this please

Alex_Xolod [135]

Domain: x≤5 (notice the closed dot on the right and the arrow on the left)
Range: y≤2 (notice the closed dot on the right and the arrow on the left)

The arrow means it keeps going infinitely. The closed dot means it stops there but is inclusive of that value.

3 0

3 years ago

Gilyann got a new puppy for her birthday. She went to the pet store to buy what she needed for the puppy: a food dish for $7.95,

Elina [12.6K]

Answer:

76.48

Step-by-step explanation:

5 0

3 years ago

A number is not an integer what type of number can it be

MrRa [10]

It can be a decimal or fraction. An integer HAS to be a whole number.
-2, 10, and 4300 are integers
8.4, -0.14568, and 1/2 are not integers

8 0

3 years ago

Read 2 more answers

What is the name of the lake located at letter B on the map above? Answer is C :)

astraxan [27]

Answer:

the answer is C. lake Texoma

hope this helps

3 0

3 years ago