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tatuchka [14]
3 years ago
9

Please help me with this​

Mathematics
2 answers:
lara31 [8.8K]3 years ago
8 0

Answer:

b

Step-by-step explanation:

since you divide by a negative you switch the signs

Alexandra [31]3 years ago
3 0

Answer:

The answer is A

Step-by-step explanation:

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BlackZzzverrR [31]

Answer:

x=81 or 1/3

Step-by-step explanation:

x^\log_3(x)} =81x^3\\\log_3(x^{\log_3(x)})=\log_3(81x^3)\\\(\log_3x)(\log_3x)=\log_381+\log_3x^3\\(\log_3x)^2=3\log_3x^+4\\\\Let u=\log_3x\\\\u^2-3u-4=0\\(u-4)(u+1)=0\\u=4 \\4=\log_3x\\x=3^4=81\\\\u=-1\\-1=\log_3x\\x=3^{-1}=1/3

3 0
3 years ago
Which points can be used in the diagram as the third vertex to create a right triangle with hypotenuse XY? Select all that apply
Serga [27]

Answer:

(-2,-2) and (3,4)

Step-by-step explanation:

Edge 2020

7 0
3 years ago
Read 2 more answers
HELP ME ASAP WITH 8! PLS!! I beg u..
lakkis [162]
7. x=3 is the midpoint between the roots. The other root is x = 2*3 -(-5) = 11.

8a) f(x) = (x +3)^2 -49. The vertex is (-3, -49). The roots are -10, 4.

8b) y = (x+4)^2 -1. The vertex is (-4, -1). The roots are -5, -3.

8c) f(x) = 2(x +3)^2 -34. The vertex is (-3, -34). The roots are -3±√17.
7 0
3 years ago
A rectangle with an area of 5/8 ft² is dilated by a factor of 8. What is the area of the dilated rectangle?
gulaghasi [49]

Answer:

40 ft²

Step-by-step explanation:

Let the length of the original rectangle be L and original Breadth be B

it is given that the original area  is 5/8 ft²

i.e.

Original Length x Original Breadth = Original Area, or,

LB = 5/8 ft² ------------------(1)

Given that the dilation factor is 8,

Hence,

New Length = 8L and New Breadth = 8B

THerefore,

New Area = 8L x 8B

= 64 LB  (from (1) above , we know that LB = 5/8 ft², substitute into expression)

= 64 (5/8)

= 40 ft²

4 0
4 years ago
Terrence is baking blueberry pies to sell at his bakery. He starts with 3 cartons of blueberries,
Pani-rosa [81]

Answer:

1.5

Step-by-step explanation:

3 divided by 1/2 = 1.5

3 0
2 years ago
Read 2 more answers
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