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Nadya [2.5K]
2 years ago
13

PLEASE HELP ME!!! Mari and Jack each bought a sofa from a furniture store. Mari’s sofa cost $600. She paid $200 when she bought

it and pays $20 per month. Jack’s sofa cost $810. He paid $140 when he bought it and pays $50 per month. After how many months will Mari and Jack each owe the same amount on their sofas?
a)2
b)4
c)5
d)9
Mathematics
2 answers:
Kipish [7]2 years ago
8 0

Answer:

A

Step-by-step explanation:

lutik1710 [3]2 years ago
5 0

Answer:

I am solving it rn! one sec bro :)

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Kaya used these steps to solve the equation 7 + 2x = 2(x - 1) + 4. Which choice describes the meaning of her result, 7 = 2?
Whitepunk [10]

Answer is A

7 + 2X = 2(X-1) + 4

7 + 2X = 2X-2+4

7 + 2X = 2X + 2 whether 2X = 2X-5  or 5 + 2X = 2X still  0 = 5 Or 0= -5 which is not possible

4 0
3 years ago
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HELP PLEASE
Westkost [7]

Answer:

So in other words, each week he works, he gets an additional $10, to add to his collection of really $75.

Step-by-step explanation:

so, he has $85 in savings, and that he has the opportunity to gain allowance by the following function of 10(x-1).  

total funds(x) = 85 + 10(x-1)  

T(x) = 85 + 10x - 10  

T(x) = 10x + 75

8 0
2 years ago
In circle O, AD and BE are diameters. What is MAE?
liraira [26]

Answer:

132°

Step-by-step explanation:

∠AOB = ∠EOD = 3x ( vertical angles )

∠AOB + ∠BOC = 90, that is

3x + 0.5x + 34 = 90

3.5x + 34 = 90 ( subtract 34 from both sides )

3.5x = 56 ( divide both sides by 3.5 )

x = 16

∠AOE + ∠EOD = 180 ( straight angle )

∠AOE + 3x = 180

∠AOE + (3 × 16) = 180

∠AOE + 48 = 180 ( subtract 48 from both sides )

∠AOE = 132°



5 0
3 years ago
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Find the value of x.
Rudiy27

Answer:

x=104

Step-by-step explanation:

Angle Formed by Two Secants= 1/2(difference of Intercepted Arcs)

10.5 = 1/2( x-83)

Multiply each side by 2

2* 10.5 = 2*1/2( x-83)

21 = x-83

Add 83 to each side

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7 0
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A rock is thrown vertically upward from the surface of an airless planet. It reaches a height of s = 120t - 4t2 meters in t seco
12345 [234]

Answer:

Step-by-step explanation:

Given that a rock is thrown vertically upward from the surface of an airless planet. It reaches a height of s(t) = 120t - 4t^2

where t is expressed in seconds

The rock goes upto a height where the velocity becomes 0 and then it starts falling down by gravity

Velocity at time t = s'(t) = 120-8t

This becomes 0 when t =15 seconds

Hence at 15th second the rock starts falling and upto

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The time taken to reach highest point is = 15 seconds.

6 0
3 years ago
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