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kaheart [24]
3 years ago
15

Factor completely, then place the answer in the proper location on the grid. 9x4 -225y8

Mathematics
1 answer:
exis [7]3 years ago
5 0

Answer:

36(x-25y)

Step-by-step explanation:

Bring out the common factor of <em>4 </em>from the equation

4(9x-225y)

9 and 225 share a common factor of 9. Factor the 9 out

9 \times 4 (x-25y)

36(x-25y)

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What is the length of the hypotenuse of the triangle when x=13
ValentinkaMS [17]

Answer:

90.80

Step-by-step explanation:

6x+4

= (6)(13)+4

= 78+4

=82

3x

=(3)(13)

= 39

So we know the sides are 39 and 82

Pythagoras theorem in triangles

= a2+b2= c2

Now, we know the value of a and B but not c (the hypotenuse)

Therefore,

c2 = (39)^2 + (82)^2

= 1521+ 6724

= 8245

so, c = √8245

= 90.80 unitd

7 0
2 years ago
A bag contains 6 red balls numbered 1, 2, 4, 5, 8, 9 and 4 white balls numbered 3, 6, 7, 10,
geniusboy [140]

Answer:

60%

a. 80%

b. 70%

Step-by-step explanation:

In this case we are first asked for the probability that when drawing a ball at random it is 8, 9 and 4 white balls numbered 3, 6, 7, 10, that is 6 balls. We know that there are a total of 10 balls since they are 6 red and 4 white, 6 + 4 = 10.

Therefore the probability is:

6/10 = 0.6

that is to say that the probability that it is one of these balls is 60%

to. that is red or odd,

red are 1, 2, 4, 5, 8, 9 and in addition to that, in white there is one with 3 and with 7 that are odd, making them 8 balls, therefore:

8/10 = 0.8

In other words, the probability is 80%

b. white or even,

the white ones are 3, 6, 7, 10 and in the red ones the 2, 4 and 8 are even, that is to say that they are 7 balls, which means that:

the probability is:

7/10 = 0.7

The probability is 70%

6 0
3 years ago
Find the next item in the sequence. 15, 30, 45, 60, ...
amid [387]

The rate of change is 15. We know this because 30 - 15 = 15, 45 - 30 = 15, and 60 - 45 = 15.

The next item in the sequence would be 75, since 60 + 15 = 75.

4 0
3 years ago
Read 2 more answers
Ivania is 12 3 4 years old. Marian is 1 3 8 years older than Ivania and Jane is 1 1 5 years older than Marian. How old is Jane?
andre [41]

Answer:

Step-by-step explanation:

it says Jane is 115 years older than Marian it means that Jane is 253 years old

7 0
2 years ago
PLEASE HURRY! I NEED AN ANSWER, THANKS! :)
Svetradugi [14.3K]

Answer:  D) Inverse does not exist

<u>Step-by-step explanation:</u>

The top row is 0 0 , which makes the determinant equal to zero.

The reciprocal of 0 is undefined so there cannot be an inverse for this matrix.

5 0
3 years ago
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