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Jlenok [28]
2 years ago
7

Please help me out with this

Mathematics
1 answer:
Travka [436]2 years ago
6 0
Either B or C.
Im thinking more C.....
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Michael started a savings account with $100. After 6 weeks, he had $140, and after 12 weeks, he had $260. What is the rate of ch
ale4655 [162]

Answer:

Rate of change of money in Michael's account will be $20 per week.

Step-by-step explanation:

If we draw a graph for the duration of investment on x-axis and amount in the account on y-axis, ordered pairs for both the conditions will be,

After 6 weeks, amount in the account = $140

Ordered pair : (6, 140)

After 12 weeks, amount in the account = $260

Ordered pair : (12, 260)

Rate of change in hi account per week = \frac{\triangle y}{\triangle x}

                                                                 = \frac{260-140}{12-6}

                                                                 = \frac{120}{6}

                                                                 = $20 per week

Therefore, rate of change of money in Michael's account will be $20 per week.

5 0
3 years ago
Write an equation in slope-intercept form for the line that passes through (-1,-2) and (3,4)
Irina-Kira [14]
Answer: y=3/2x - 1/2

find the slope
m= 4+2/3+1
m= 3/2

plug in slope and points into equation to find b
y=mx+b
4= 3/2(3) + b
4= 4 1/2 +b
-1/2= b
8 0
3 years ago
We can calculate EEE, the amount of euros that has the same value as DDD U.S. dollars, using the equation E=\dfrac{17}{20}DE=
Solnce55 [7]

Answer:

0.85 Euros have the same amount as 1 U.S dollar.

Step-by-step explanation:

Given : The equation E= \frac{17}{20}D

To find : Number of Euros which has same value as D U.S. dollar ?

Solution :

The equation E= \frac{17}{20}D

Where, E= amount of Euros

D= amount of U.S dollar.

Now for 1 U.S dollar we put D=1,

E= \frac{17}{20}(1)

E= \frac{17}{20}

E= 0.85

Therefore, 0.85 Euros have the same amount as 1 U.S dollar.

7 0
3 years ago
Read 2 more answers
Is the following relation a function? Two circles are shown, one labeled x and the other labeled y. The x circle contains the nu
Hunter-Best [27]
This set of points is a function because each input has exactly one outout.
5 0
2 years ago
Read 2 more answers
Help please help please
givi [52]

Answer:

Base = 17

Height = 5

Step-by-step explanation:

(4x + 1)(x + 1) = 85

4x² + 4x + x + 1 = 85

4x² + 5x - 84 = 0

∆ = 5² - 4.4.(- 84)

∆ = 25 + 1344

∆ = 1369

x = (- 5 + 37)/8

x = 32/8

x = 4


Base = 4.4 + 1 = 17

Height = 4 + 1 = 5


I hope I helped you.

6 0
3 years ago
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