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uranmaximum [27]
3 years ago
5

PLEASE HURRY HELPE MARK BRAINLIST

Mathematics
2 answers:
Anestetic [448]3 years ago
7 0

Answer:

C. 3200

B. equation

Zanzabum3 years ago
7 0

Answer:

both are c

Step-by-step explanation:

  1. c 3200
  2. c 7y-1/2

mark as the brainlist

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Find the equation of the line show
nexus9112 [7]

Answer:

Equation : y = 2x + 3

Step-by-step explanation:

By considering any two coordinates from the line.

For example: I choose (0, 3) and (2, 7)

<em><u>slope :</u></em>

<em><u /></em>slope = \frac{y_2 - y_1}{x_2 - x_1} = \frac{7-3}{2-0} = \frac{4}{2} = 2<em><u /></em>

<em><u>Equation :</u></em>

(y - y_1) = m (x - x_1)\\\\(y - 7) = 2 (x - 2)\\\\y - 7 = 2x - 4\\\\y = 2x - 4 + 7 \\\\y = 2x + 3

7 0
3 years ago
Match each complex number with its equivalent expression i^157 i^315 i^102 i^76
ryzh [129]

Answers:

i^{157} = i\\\\i^{315} = -i\\\\i^{102} = -1\\\\i^{76} = 1\\\\

=====================================================

Explanation:

By definition, i = \sqrt{-1}

Squaring both sides gets us i^2 = -1

Then multiply both sides by i to get i^3 = -i

Repeat the last step and you should get i^4 = -i^2 = -(-1) = 1

---------------

Notice we have this pattern going on:

i^0 = 1\\\\i^1 = i\\\\i^2 = -1\\\\i^3 = -i\\\\i^4 = 1\\\\

Once we reach i^4, we start the process over again.

It repeats every 4 terms.

This means we'll divide the exponent over 4 and look at the remainder. We ignore the quotient completely.

157/4 = 39 remainder 1

That remainder 1 is the exponent of the simplified term

i^{157} = i^1 = i

---------------

Similarly,

315/4 = 78 remainder 3

So i^{315} = i^3 = -i

---------------

102/4 = 25 remainder 2

i^{102} = i^2 = -1

----------------

76/4 = 19 remainder 0

i^{76} = i^0 = 1

8 0
2 years ago
A sum of money is divided amongst Rony, Lisa and Tulip in the ratio 10: 7: 5. If
vova2212 [387]

Answer:

$62.85

Step-by-step explanation:

Given data

ratio=  10: 7: 5

Total ratio= 10+7+5= 22

Lisa= $20

Her proportion of the ratio = 7

Applying the part to all method

Let the total amount shared be x

7/22= 20/x

cross multiply

7x= 22*20

7x= 440

divide both sides by 7

x= 440/7

x= 62.85

7 0
3 years ago
WILL MARK BRAINLIEST!!!
viva [34]

Answer:

They are convex, all sides are congruent, their angles are congruent, and the sum of their exterior angles is 360º.

Step-by-step explanation:

8 0
3 years ago
Changing Volume If each edge of a cube is increasing at the constant rate of 3 centimeters per second, how fast is the volume in
timofeeve [1]
Calculus! First one I've seen here! Take the derivative of the volume of a cube. Volume is V = s^3, dV = 3s^2 ds when s = 10 and ds = 3.  I think you used x. Anyway, in the derivative fill in the s with a 10 and the ds (rate of change) is 3. So dV = 3(10)^2 * 3
     dV = 600 cm per second
4 0
3 years ago
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