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dalvyx [7]
3 years ago
10

Which pair of lines appears to be perpendicular? ОА. +XI B

Mathematics
1 answer:
Rasek [7]3 years ago
8 0
It’s the last one because yeah
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Help me please if you can
makvit [3.9K]

Answer:

-2

Step-by-step explanation:

Add them up: -14

Divide by how many there are: -14 / 7 = -2

4 0
2 years ago
Help with #2, thank you :)
marishachu [46]

Answer:

2^6

Step-by-step explanation:

2^2 + 2^4 = 2^6

4 0
2 years ago
Read 2 more answers
The base of a triangular field is three times its height. If the cost of cultivating the feild at $36 per hectare is $486, find
Anna [14]

Answer:

Formula of the area of triangle = 1/2 × b × h (where 'b' is the base and 'h' is the height)

1 hectare = $36

$486 = 13.5 hectares

13.5 hectares = 1/2 × b × h

To get b × h, you use the reverse of the formula. Hence:

13.5 = 1/2 × b × h

13.5 ÷ 1/2 = b × h

               = 27

27 is b × h.

The question states that the base is three times the height. Hence:

b = 3u

h = 1u

b × h = 27

        = 3u × 1u

Thus, we need to find one value which is three times the other, in order to get a product of 27.

Factors of 27:

1 × 27

3 × 9

9 is three times of 3. Thus, the base is 9, while the height is 3.

5 0
2 years ago
Find w(4) for the function w(x) = 3x + 7.
monitta
W(4) = 3(4) + 7
w(4) = 12 + 7
w(4) = 19
7 0
3 years ago
Read 2 more answers
Which is 2logx-6log(x-9) written as a single logarithm
Elena-2011 [213]

Answer: option c.

Step-by-step explanation:

 To solve the given exercise and write the expression as a single logarithm, you must keep on mind the following properties:

m*log(a)=log(a)^m

log(a)-log(b)=log(\frac{a}{b})

Therefore, by applying the properties shown above, you can rewrite the expression given, as following:

2logx-6log(x-9)=logx^2-log(x-9)^6=log(\frac{x^2}{(x-9)^6})

Then as you can see, the answer is the option c.

3 0
3 years ago
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