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sukhopar [10]
3 years ago
13

yvette has scores of 72 78 66 and 81 on her algebra tests. What score must she make on the final exam in order to pass the cours

e with at least 360 points. The final exam counts as two tests grades
Mathematics
1 answer:
sergij07 [2.7K]3 years ago
3 0
72+28+66+81=297
360-297=63
She would need to score 63 on her last exam.
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How can you use fractions to place the decimal in the product?
Oxana [17]

Answer:

it is easier to multiply first and then to place the decimal point. Multiply the factors as if they were whole numbers. Disregard the decimal point until you place it in the product.

6 0
3 years ago
What is the equation of a line that passes through the point (8, 1) and is perpendicular to the line whose equation is y=−2/3x+5
swat32

Let k:y=m_1x+b_1 and l:y=m_2x+b_2

l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}

We have y=-\dfrac{2}{3}x+5\to _1=-\dfrac{2}{3}

Therefore

m_2=-\dfrac{1}{-\frac{2}{3}}=\dfrac{3}{2}

We have the equation of a line: y=\dfrac{3}{2}x+b.

Put the coordinates of the point (8, 1) to the equation of a line:

1=\dfrac{3}{2}(8)+b

1=(3)(4)+b

1=12+b       <em>subtract 11 from both sides</em>

-11=b\to b=-11

Answer: \boxed{y=\dfrac{3}{2}x-11}

3 0
3 years ago
A $1,000.00 bond at 85 1/4 % pays 6.8 % annual interest. Calculate cost of bond.
stepladder [879]

Based on the par value of the bond and the percentage it was issued at, the cost of the bond is $852.50.

<h3>What is the cost of the bond?</h3>

The current cost of the bond is the present value of the bond's cashflows and its par value.

This is taken into account when the bond is issued at a certain percentage which in this case is 85 ¹/₄%.

The cost of the bond is:

= 1,000 x 85 ¹/₄%

= $852.50

Find out more on the cost of bonds at brainly.com/question/15567868.

#SPJ1

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Both B and C don’t work
8 0
3 years ago
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Need help please someone
Natalka [10]
19.B 20. D 21. A. 22. A
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3 years ago
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