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ELEN [110]
3 years ago
12

Can someone help me with this ASAP please I’m being timed !

Mathematics
1 answer:
Paladinen [302]3 years ago
8 0

Answer:

A

Step-by-step explanation:

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What if the following choices will simplify 7-5(3)^2
rewona [7]

Answer:

-38

Step-by-step explanation:

7-5(3)^2

PEMDAS

Since there are no parentheses to execute

Exponents next

7-5(3)^2

7-5*9

Multiply and divide next

7 - 45

-38

3 0
3 years ago
Find the area of the following shapes:
Annette [7]

Answer:

24 square units

Step-by-step explanation:

You apply area of a trapezium

5 0
3 years ago
Find the equation of the line containing the points (20,-7) and (10,-2). Type your answer in this order and don't use spaces or
aliina [53]

(\stackrel{x_1}{20}~,~\stackrel{y_1}{-7})\qquad (\stackrel{x_2}{10}~,~\stackrel{y_2}{-2}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-2}-\stackrel{y1}{(-7)}}}{\underset{run} {\underset{x_2}{10}-\underset{x_1}{20}}}\implies \cfrac{-2+7}{-10}\implies -\cfrac{1}{2}

\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-7)}=\stackrel{m}{-\cfrac{1}{2}}(x-\stackrel{x_1}{20}) \\\\\\ y+7=-\cfrac{1}{2}x+10\implies y=-\cfrac{1}{2}x+3

4 0
3 years ago
Evaluate. Show all work<br> 51-(21-5)x2
masya89 [10]

Answer:

19

Step-by-step explanation:

51-(16)x2

16x2=32

51-32=19

5 0
3 years ago
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I need help ASAP with this question pls help
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Answer:

the diameter of a tube is 1 3/4. How much is radius

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