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Alex17521 [72]
3 years ago
12

Please help I'm really bad at math and I can't get a bad grade can someone help me please max points

Mathematics
2 answers:
BartSMP [9]3 years ago
8 0

1.closed circle means equal to

line to the right means greater than

x>= 4

2. open circle means  not equal to

line to the left and right means not equal to

x not equal to -4

Choice C

3.  less than means open circle and line to the left

x<-3

Choice A

4.  m<=-1

closed circle because of the equals

line to the left

Choice B

5.  y <6

open circle because of no equals

line to the left

Choice B


6.  t>=0

closed circle with the =

line to the right

Choice A

7.  x not equal to -4

open circle at 4

lines going both directions

Choice B

8.n <=-1.5

closed circle at -1.5

line going to the left

Choice C


Ksivusya [100]3 years ago
5 0

1. x greater than or equal to 4 (B)

2. x does not equal 4 (C)

3. A

4. B

5. B

6. A

7. B

8. C

(The pictures were out of order but i did it by number shown in the pictures. Hope this helps.)

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What are the solutions to the equation x - 7/x = 6
bearhunter [10]

The answer is C that is X=7 and X=-1

multiple x through the given equation to get rid of a fraction. It will be

{x}^{2}  - 7 = 6x

After that bring 6X to the LHS of the equation

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{x}^{2}  - 6x - 7 = 0

Use the quadratic formula (or any other approach to find the values of x

You will arrive at

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3 years ago
Type the correct answer in each box. Use numerals instead of words.
sweet [91]
Answer: -(x + 3)^2 = 3

Explanation:

-x^2 - 6x + 6 = 0
-x^2 - 6x = -6
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6 0
3 years ago
Read 2 more answers
a bird is flying at a true bearing of 75 degree's at a speed of 40 miles per hour. Write the velocity of the bird as a vector in
Allisa [31]

Answer: V = (10.4 mph, 38.6 mph)

Step-by-step explanation:

The velocity is written as (vx, vy)

where vx is the component of the velocity in the x-axis and vy is the component of the velocity in the y-axis.

In usual notation, the angles are measured counterclockwise from the positive x-axis.

We know that the angle is 75°, this means that the velocity in the x-axis will be equal to the total velocity of the bird projected in the x-axis (suppose a triangle rectangle, where the velocity is the hypotenuse, the x component is a cathetus and the y component is other cathetus)

vx = 40mph*cos(75°) = 10.4 mph

vy = 40mph*sin(75°) = 38.6mph

Then the vector of velocity is V = (10.4 mph, 38.6 mph)

5 0
3 years ago
Which choice represents the expression below as a single exponential
Lostsunrise [7]

Answer:

D

Step-by-step explanation:

When multiplying numbers with the same base but different exponents, add the exponents together.

4 0
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yKpoI14uk [10]

Answer:

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Room cost for 1 night = $199

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Tax for room for 1 night = 0.22 x $199 = $43.78

Total cost for one night,

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= $242.78

5 0
3 years ago
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