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3 years ago

GEOMETRY HELP ASAP!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

vovangra [49]3 years ago

6 0

Area of equilateral triangle = a^2/4 * √3 so side of triangle = a

but if area of equilateral triangle = area of square multiplied by √3 then area of square = a^2 / 4 so side of square = a/2

the ratio length of side triangle to length side of square = a: a/2 that means the side of triangle is doubled the side of square

answer
a) 2:1

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Please help. WIll give brainliest if you explain

Eddi Din [679]

The answer to 2 is √30/5 or 1.09545

First, you multiply the numerator and denominator by √5.
√6x√5=√30
√5x√5=5 (when a square root of an expression is multiplied by itself, the result is that expression) Therefore, the answer is √30/5 or 1.09545

5 0

3 years ago

13x = 79 ? Can somebody explain #9 b. PLEASE. Please solve using the system of linear equations by elimination.I would love it i

strojnjashka [21]

8x + 2y = 44
5x + 2y = 35

Since 2y is already common, there is no need for multiplication. Just reverse the signs on the equation.

Like this;

8x + 2y = 44
-5x - 2y = -35

All the additions become subtractions and vice versa.

-2y and +2y get cancelled.

Leaving;

8x = 44
-5x = -35

Now, subtract again.

8x - 5x = 3x

44 - 35 = 9

So;

3x = 9

x = 9 / 3

x = 3

We found 'x' and now we have to find 'y'.

Just substitute.

[8 x 3] + 2y = 44

24 + 2y = 44

2y = 44 - 24

2y = 20

y = 20 / 2

y = 10

Now, we re-check;

[8 x 3] + [2 x 10] = 44

24 + 20 = 44

Explaining the error for #9b is simply doing the whole sum.

Hope this helped! :) I tried my best to explain.

7 0

3 years ago

What is the value of x? Show all of your work.Round your answer to the nearest tenth.

Mashutka [201]

Answer:

$x=20.6\ in$

Step-by-step explanation:

we know that

Applying the Pythagoras Theorem

$41.2^{2} =35.7^{2} +x^{2}$

solver for x

$x^{2}=41.2^{2}-35.7^{2}$

$x^{2}=422.95$

$x=20.6\ in$

8 0

3 years ago

What integer values satisfy both inequalities? − 2 < x < 3 − 2 ≤ x < 2

NARA [144]

Given:

The inequalities are:

$-2$

$-2\leq x$

To find:

The integer values that satisfy both inequalities.

Solution:

We have,

$-2$

$-2\leq x$

For $-2$ , the possible integer values are

$x=-1,0,1,2$ ...(i)

For $-2\leq x$ , the possible integer values are

$x=-2,-1,0,1$ ...(ii)

The common values of x in (i) and (ii) are

$x=-1,0,1$

Therefore, the integer values -1, 0 and 1 satisfy both inequalities.

6 0

2 years ago

A rectangular prism has a base with a length of 25, a width of 9, and a height of 12. A second prism has a square base with a si

RSB [31]

Answer:

The height of the second prism is 12 units.

Step-by-step explanation:

First, we must know that the volume of a rectangular prism is equal to length x width x height. With this information, we can multiply the given dimensions of the first rectangular prism to get a volume of 2700 cubic units. From here, we must understand wha we need from the second rectangular prism. Because it has a square base of 15, that accounts for both its width and length. Therefore, we have that

$Volume= 15^2 x\\2700/225=x\\12=x$

6 0

2 years ago