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bija089 [108]
3 years ago
13

Plz Ace's or any sort of professional answer this!

Mathematics
1 answer:
alukav5142 [94]3 years ago
8 0

Look at the dots for each week and see how much money was in the account.

Week 1 was 10, week 2 was 30, this means he saved 20

Week 5 was at 50, week 6 was at 80, this means he saved 30, which was the most.

The answer is 5 & 6.

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2.
den301095 [7]
X+2y
Plug in the variables
4+2(7)
4+14
x+2y=18
8 0
3 years ago
The top of a 2.7m ladder, leaning against a wall, reaches a height of 1.6m. What angle, to the nearest degree, does the ladder m
VladimirAG [237]
So the hypotenuse is 2.7, and the opposite is 1.6.

We can use sine to find the angle.

sin(x) = (1.6)/(2.7)

Simplify:

sin(x) = 0.592592593

Plug this in your calculator to find the inverse of sine:

x = 36.34120312

So the angle is 36 degrees.
7 0
3 years ago
Read 2 more answers
​ y=3x−5 y=x−1 ​ Is ( 2 , 1 )a solution of the system?
kotegsom [21]

Answer: Yes, (2,1) is a solution.

Point for : (2,1)

Equation form : x=2 , y=1

Step-by-step explanation: Solve for the first variable in one of the equations, then substitute the result into the other equation.

Hope this helps you out! ☺

6 0
3 years ago
Read 2 more answers
T a linen sale Mrs. Earle bought twice as many pillowcases for $2 each as sheets for $5 each. If she spent less than $40, not in
Anettt [7]
For this case, the first thing we must do is define variables:
 x: number of pillowcases
 y: number of sheets
 We now write the system of equations:
 2x + 5y = 40
 x = 2y
 Solving the system we have:
 x = 8.9
 y = 4.4
 Answer:
 
The maximum number of pillowcases she could have purchased is:
 
x = 8 (spent less than $ 40)
3 0
3 years ago
It is stated that a quantity varies directly as another if the two quantities always change in the same ratio. So, what would ha
lys-0071 [83]

Answer:

2k

Step-by-step explanation:

Let k  is the ratio between two variables or y = kx

when x double, means: y = k (2x) = 2kx  quantity y will change with a ratio 2k

5 0
3 years ago
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