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zvonat [6]
1 year ago
6

PLEASE HELPPPPPPP!!!!!!!!!!!!

Mathematics
2 answers:
Katarina [22]1 year ago
7 0

Answer:

9 in, or B

Step-by-step explanation:

We can easily apply the Pythagorean Theorem to this. You could either realize that this is a 3-4-5 Pythagorean triple or do the math by hand.

We start off by setting up the equation 12² + x² = 15². Simplifying, we get 144 + x² = 225, and then x² = 81 after subtracting 144 from both sides. Thus, the square root of x is 9, and so the answer is 9 inches.

AVprozaik [17]1 year ago
5 0

Answer: B

Step-by-step explanation: You have to make sure the two small sides add up to be greater than the biggest side( in this case 15in)

12+9=21, 21>15 therefore 9 would work!

I eliminated C and D using only visual clues

why 27 is a no-go: if we did it the other way around where 27 is the biggest number, it would be 12+15=27, 27=27 *therefore since 27 is equal to 27 the three sides would not make a triangle*

why 19 is a no-go: if we did <em>this </em>the other way around where 19 is the biggest number, it would be 12+15=27, 27>19. *visual part* Although this seems like it would also work, does <AX really look like it's bigger than <WX or <AW XD

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TIMERBUATING
mezya [45]

Answer:

No, it is not a rectangle because the sides of the

parallelogram do not meet at night angles (B)

Step-by-step explanation:

The diagonal of the rectangle = 28

The two sides of the figure measures 20 and 21 units respectively.

To determine if the shape is a rectangle, we would apply Pythagoras theorem

hypotenuse² = opposite² + adjacent²

hypotenuse = diagonal = 28

The other two sides represent the opposite and adjacent

28² = 20² + 21²

784 = 400 + 441

784 ≠ 841

The square of the diagonal is not equal to the sum of the square of the other two sides (length and width).  And as a result of this, the triangle isn't a right angled triangle and the sides of the parallelogram would not meet at right angles.

Therefore, the figure isn't a rectangle.

Option B: No, it is not a rectangle because the sides of the

parallelogram do not meet at night angles.

8 0
3 years ago
Write 2 different equations with a sum of 9/5.
Julli [10]
Two possible equations are:

\dfrac{5}{5} +   \dfrac{4}{5}   = \dfrac{9}{5}

\dfrac{2}{5} +   \dfrac{7}{5}   = \dfrac{9}{5}
8 0
3 years ago
Suppose a car is traveling at 60 km/hr, and that the positive y-axis is north and the positive x-axis is east. Resolve the car's
levacccp [35]
For the answer to the question above asking to r<span>esolve the car's velocity vector (in 2-space) into components if the car is traveling in each of the following directions. The units are km/hr, but
</span>east: 60i + 0j 
<span>south: 0i - 60j </span>
<span>SE: (30√2)i - (30√2)j </span>
<span>NW: (-30√2)i + (30√2) </span>you do not need to enter units.
6 0
2 years ago
3233645779<br>0000<br>join ​pls​
nata0808 [166]

Answer:

join what tho

4 0
3 years ago
Read 2 more answers
1.14 what is the answer to this one
UNO [17]

Answer:

0.001

Step-by-step explanation:

So... errr... brainly doesn't allow cheating but i want to help so... here:

10^(-n)= 1/(10^n) following this, 10^-3=1/10^3 = 1/1000 = the second option (0.001)

5 0
2 years ago
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