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Llana [10]
3 years ago
9

Malcolm wants his final grade in his Algebra class to be at least a 93. He scored an 85, 93, 95 and 97 on his first four tests.

What must he score on the final test to have at least a 93? A. 84 B. 85 C. 93 D. 95​
Mathematics
1 answer:
Mrac [35]3 years ago
3 0

Answer:

D

Step-by-step explanation:

93×5=465

85+93+95+97+x=465

370+x=465

x=465-370

x=95

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Simplify square root of 8y/share root of y
lozanna [386]

Answer:

2\sqrt{2}

Step-by-step explanation:

We are required to simplify the following expression;

\frac{\sqrt{8y} }{\sqrt{y} }

Using the properties of radicals;

\frac{\sqrt{a} }{\sqrt{b}}=\sqrt{\frac{a}{b} }

The expression can be re-written as;

\sqrt{\frac{8y}{y}}=\sqrt{8}

Now;

\sqrt{8}=\sqrt{4*2}=\sqrt{4}*\sqrt{2}\\ \\2\sqrt{2}

8 0
3 years ago
Evaluate the expression 4x2+3y for x = 5 and y = 6.
babymother [125]

Answer:

118

Step-by-step explanation:

{4x}^{2}  + 3y

4(5 {)}^{2}  + 3(6)

4 \times 25+3(6)

100+3(6)

100+18

118

<h3>Hope it is helpful...</h3>
3 0
3 years ago
2- If A=(3, 4) and B = (7,8), find AB.​
Mice21 [21]

Use distance formula and take this question down, <em><u>easily</u></em>.

Step-by-step explanation:

Distance xy =

\sqrt{ {(x_2 - x_1)   }^{2}  +  {(y_2 - y_1)}^{2} }

Therefore AB

=\sqrt{(7-3)^2 +(8-4)^2}

=\sqrt{(4)^2 +(4)^2}

=\sqrt{32}

=\boxed{4 \sqrt{2}-units}

4 0
3 years ago
Read 2 more answers
Which graph below shows plots of equivalent ratios for this situation?
Margaret [11]

Answer:

2

Step-by-step explanation:

5 0
3 years ago
Give several reasons why you might prefer to record your cell counts in scientific notation instead of standard notation
sdas [7]
1 in scientific notation it saves time and 2 its professional,and looks cleaner
5 0
4 years ago
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