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Alex17521 [72]
3 years ago
5

HELPPP me I need this answer right away PLSSS I will thank you and everything else

Mathematics
2 answers:
kolbaska11 [484]3 years ago
8 0

Answer:

way did you get vid of my answer

Step-by-step explanation:

Katena32 [7]3 years ago
7 0

Answer:

D

Step-by-step explanation:

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-3(p-7) > 21 solve for p​
Goryan [66]

Answer:

p < 0

Step-by-step explanation:

Given

- 3(p - 7) > 21

Divide both sides by - 3, reversing the symbol as a result of dividing by a negative quantity.

p - 7 < - 7 ( add 7 to both sides )

p < 0

5 0
3 years ago
If the distance from A (5,6) to B (1, b) is twice the distance from B to
Nimfa-mama [501]

Answer:

The possible values of b are -2.944 and -9.055, respectively.

Step-by-step explanation:

From statement we know that AB = 2\cdot BC. By Analytical Geometry, we use the equation of a line segment, which is an application of the Pythagorean Theorem:

AB = 2\cdot BC

\sqrt{(x_{B}-x_{A})^{2}+(y_{B}-y_{A})^{2}} = 2\cdot \sqrt{(x_{C}-x_{B})^{2}+(y_{C}-y_{B})^{2}} (1)

Where:

x_{A}, x_{B}, x_{C} - x-Coordinates of points A, B and C.

y_{A}, y_{B}, y_{C} - y-Coordinates of points A, B and C.

(x_{B}-x_{A})^{2}+(y_{B}-y_{A})^{2} = 4\cdot (x_{C}-x_{B})^{2}+4\cdot (y_{C}-y_{B})^{2}

Then, we expand and simplify the expression above:

x_{B}^{2}-2\cdot x_{A}\cdot x_{B} +x_{A}^{2} +y_{B}^{2}-2\cdot y_{A}\cdot y_{B} + y_{A}^{2} = 4\cdot (x_{C}^{2}-2\cdot x_{C}\cdot x_{B}+x_{B}^{2})+4\cdot (y_{C}^{2}-2\cdot y_{C}\cdot y_{B}+y_{B}^{2})

x_{B}^{2}-2\cdot x_{A}\cdot x_{B} + x_{A}^{2} +y_{B}^{2}-2\cdot y_{A}\cdot y_{B} + y_{A}^{2} = 4\cdot x_{A}^{2}-8\cdot x_{C}\cdot x_{B}+4\cdot x_{B}^{2}+4\cdot y_{C}^{2}-8\cdot y_{C}\cdot y_{B}+4\cdot y_{B}^{2}

If we know that x_{A} = 5, y_{A} = 6, x_{B} = 1, y_{B} = b, x_{C} = 1 and y_{C} = -3, then we have the following expression:

1 -10 +25 +b^{2} -12\cdot b+36  = 100 -8 +4 +36+24\cdot b +4\cdot b^{2}

b^{2}-12\cdot b +52 = 4\cdot b^{2}+24\cdot b +132

3\cdot b^{2}+36\cdot b +80 = 0

This is a second order polynomial, which means the existence of two possible real solutions. By Quadratic Formula, we have the following y-coordinates for point B:

b_{1} \approx -2.944, b_{2} \approx -9.055

In consequence, the possible values of b are -2.944 and -9.055, respectively.

8 0
3 years ago
A diagram is provided. Which of the following can be determined by this diagram?
never [62]

Answer:

The only thing i see probable is 3

Step-by-step explanation:

if the acacia gets eaten by something, and than that something gets eaten by the impala, technically the energy from the tree would go to the impala

8 0
3 years ago
What is the combined perimeter of these two rectangles 4x+5 and 2x+7 and 3x+14 and 3x
Marysya12 [62]

<u><em>Answer:</em></u>

The combined perimeter is 24x + 52 units

<u><em>Explanation:</em></u>

<u>1- Let's get the perimeter of the first rectangle:</u>

The dimensions of the first rectangle are 4x+5 and 2x+7 units

Perimeter of rectangle = 2(length + width)

Perimeter of first rectangle = 2 (4x+5+2x+7)

Perimeter of first rectangle = 2 (6x + 12)

Perimeter of first rectangle = <u>12x + 24 units</u>

<u>2- Let's get the perimeter of the second rectangle:</u>

The dimensions of the second rectangle are 3x+14 and 3x units

Perimeter of rectangle = 2(length + width)

Perimeter of second rectangle = 2 (3x+14+3x)

Perimeter of second rectangle = 2 (6x + 14)

Perimeter of second rectangle = <u>12x + 28 units</u>

<u>3- Finally, let's get the combined perimeter:</u>

Combined perimeter will be the <u>summation</u> of the two perimeters

Combined perimeter = 12x + 24 + 12x + 28

Combined perimeter = <u>24x + 52 units</u>

Hope this helps :)

8 0
3 years ago
Read 2 more answers
What is -3/8<br> written as a decimal?
lisabon 2012 [21]
It should be -0.375.
8 0
3 years ago
Read 2 more answers
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