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otez555 [7]
3 years ago
14

Blake needs a minimum of $145. He has saved $35 and plans to save $5.50 a week. About how many weeks will it take for Blake to s

ave enough money? a) at least 20 weeks; b) at most 20 weeks; c) at least 33 weeks; d) at most 33 weeks
Mathematics
1 answer:
Westkost [7]3 years ago
6 0
Set up an equation. 

35 + 5.50x = 145

Now, x is the amount of weeks, so we need to solve for that. 

35 + 5.50x = 145
-35                -35

5.50x = 110 

5.50x/5.50 = 110/5.50 
x = 20

Answer: a) at least 20 weeks 
You might be interested in
A credit card company uses your average daily balance to compute your finance charge. You charge $100 on May 2 and $200 on May 2
liraira [26]

Answer:

<h2>$5.56</h2>

Step-by-step explanation:

On may 2, charge = $100

On may 20, charge = $200

To get the average daily balance, we will use the concept of calculating slope;

let d be day of the month and c be the amount charged

when d1 = 2, c1 = 100

when d2 = 20, c2 = 200

average daily balance = c2-c1/d2-d1

average daily balance = 200-100/20-2

average daily balance = 100/18

average daily balance ≈ 5.56

Hence your average daily balance is approximately $5.56

4 0
3 years ago
If 2x^2+5x-12 = (2x-3)(x+4), which equation(s) should be solved to find the roots of 2x^2+5x-12=0? Check all that apply.
Fynjy0 [20]

ANSWER

2x-3=0

and

x+4=0

EXPLANATION

Given that:

2 {x}^{2}  + 5x - 12 = (2x - 3)(x + 4)

Then to find roots of

2 {x}^{2}  + 5x - 12 = 0

is the same as finding the roots of

(2x - 3)(x + 4) = 0

By the zero product property, we must have either,

2x - 3 = 0 \: or \: x + 4 = 0

Hence the equations that must be solved to find the roots are:

2x-3=0

and

x+4=0

5 0
3 years ago
Read 2 more answers
A parabola, with a vertex at (−4, 32), is defined by f(x)=−x2+bx+c (where b and c are some numbers). f(x) and g(x) - its reflect
vladimir1956 [14]

Answer:

sorry I don't know understand

5 0
3 years ago
WILL AWARD BRAINLIEST ANSWER
Tpy6a [65]

Answer:

(x - 5)^2 + (y - 7)^2 = 13^2

or

(x - 5)^2 + (y - 7)^2 = 169

Step-by-step explanation:

Well, the center origin of the circle is given (h,k) =  (5,7).

We have to find our radius as they gave us a point. from origin to the edge of the circle.

Using the formula: (x - h)^2 + (y - k)^2 = r^2

Plug in our (h,k) = (5,7) and (x,y) =  (10,19) to solve for radius.

(x - h)^2 + (y - k)^2 = r^2

(10 - (5))^2 + (19 - (7)^2 = r^2

(5)^2 + (12)^2 = r^2

25 + 144  = r^2

r^2 = 169

r = 13

5 0
2 years ago
Please someone help me on how to do grids?
mafiozo [28]
Answer:

25

Step-by-step explanation:

Question: The distance between P and T on the coordinate grid is __ units. (Input whole numbers only.)

Answer + Step-by-step explanation:

Step 1. Find where point P is located at

Answer: (-10, 15)

Step 2. Find where point T is located at

Answer: (15, 15)

Step 3. Find the distance between point P and T.

Answer: (25) Steps in image

4 0
3 years ago
Read 2 more answers
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