MYP 1 Mathematics Summative Assessment Unit 4 Example

1 answer:

3 0

You just have to answer to all of the questions and bullet points. Think about them, and do some sketches. In the end that will help you to end the assignment.

Hope it helped.

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-5+|-15÷(-5) |2(-5)

pav-90 [236]

Answer:

The value of this expression is -35.

Step-by-step explanation:

Let's use the order of operations (PEMDAS), to solve this problem.

$-5+|-15/-5|*2*(-5)\\-5+3*-10\\-5+-30\\-35$

In conclusion, the value of this expression is -35. Hope this helped :D

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3 years ago

Find the slope Don’t mind my answer! I clicked a random on accident

Triss [41]

Answer:

The Answer is A, 1/2

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3 years ago

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Velida took out a 5/1 variable-rate mortgage for $150,000. The interest rate

Afina-wow [57]

Answer:

Step-by-step explanation:

The amortization period in months is:

30 years * 12 = 360 months

The monthly interest rate would be 5.25%/12 = 0.004375

The payment for monthly mortgage formula would be:

$E=\frac{C*r}{1-(1+r)^{-n}}$

Where

E is the monthly mortgage payment

C is the cost of mortgage, cost is $150,000

r is the monthly rate of interest, which is 0.004375

n is the period, in months, which is 360

Substituting, we get our answer:

$E=\frac{C*r}{1-(1+r)^{-n}}\\E=\frac{150,000*0.004375}{1-(1+0.004375)^{-360}}\\E=\frac{656.25}{1-(1.004375)^{-360}}\\E=\frac{656.25}{0.7923}\\E=828.31$