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vodka [1.7K]
3 years ago
6

What step of the design process is this: “Used the test results to identify any modifications that they needed to make to improv

e their design. Once they identified these modifications, they returned to the previous steps of the process and made and tested these modifications.”
Mathematics
1 answer:
sergiy2304 [10]3 years ago
4 0

I dont know how to answer this question

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Could someone help me understand how to solve this? I'm having trouble with it, it's about Applications of Systems of Linear Equ
Anna35 [415]

Answer:

Therefore the amount in the 4% savings account = $550

Step-by-step explanation:

i) the total amount = $1500

ii) let the amount placed in the 4% interest savings account = x

iii) let the amount placed in the 5% interest savings account  = y

iv) therefore fro i) we can say  x  +  y = 1500

v) the total interest gained = $69.5

vi) therefore we can write 0.04x + 0.05y = 69.50

vii) multiplying equation vi) with 100 we get 4x + 5y = 6950

viii) Multiplying the equation in iv) by 5 we get 5x + 5y = 7500

ix) Subtracting equation in vii) from equation in viii) we get x = $550

x) Therefore the amount in the 4% savings account = $550

3 0
3 years ago
There are 7 7/8 cups of skittles in a Jar. If 2 1/4 cups are used for a party, how many skittes are left in the jar?
maw [93]
2 1/4 = 2 2/8. So, simply subtract 7 7/8 - 2 2/8 to get your final answer of 5 5/8
4 0
3 years ago
Can someone help me find the volume and the surface area of this shape.​
mash [69]

Answer:

Got my points deducted by a loser name PoeticAesthetics

Step-by-step explanation:

5 0
2 years ago
It took Sharon 4 hours to drive to her grandmother's house. Her grandmother lives 140 miles from Sharon.
Vladimir [108]

Answer:

You're right its B or 35

Step-by-step explanation:

Just divide 140 by 4 u get 35

3 0
3 years ago
Read 2 more answers
If the value of "y" varies directly with "X"<br> and y = -8 when x = 20, find "y" if x = -4.
natka813 [3]

Answer:

y = 10 when x is -4

will be the correct answer

5 0
3 years ago
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