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madreJ [45]
3 years ago
13

Rewrite the equation by completing the square. x2 - 6x - 16 = 0

Mathematics
1 answer:
Zolol [24]3 years ago
3 0

Answer: x = 8, -2

Step-by-step explanation:

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How many eights are in two and a half
Gre4nikov [31]
There is 20
because
16/8 = 2 
4/8 = 1/2

6 0
3 years ago
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The sides of a whiteboard are 16 inches by 10 inches. How many 2 inch by 2 inch Post-it notes will be needed to cover the entire
sertanlavr [38]

Answer:

40 Post-it notes

Step-by-step explanation:

10/2 = 5 on the side that measures 10"

16/2 = 8 on the side that measures 16"

5 x 8 = 40 post-it notes

6 0
3 years ago
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16 tablespoons equals 1 cup create a double number line that shows how many tablespoons you would need to use to make 5 cups of
gladu [14]
16tbsp/1cup.
Multiply by 5 for 5 cups (I recommend cross multiplying with fractions)
80tbsp/5cups
Multiply by 1.25
20tbsp/1.25cups
Multiply by 2.7
43.2tbsp/2.7cups
Since you can’t have .2 of a table spoon, we need to round up.
44tbsp/2.7cups

Total tbsp:80+20+44tbsp=144tbsp

We would need 144 tablespoons for 8.95 cups (9 for the same reason that we rounded up with the table spoons)
3 0
4 years ago
a small acting club has 6 members. 3 of the members are to be chosen for a trip to see a Broadway play. how many different 3-mem
nignag [31]
A group of k elements can be chosen from a group of n elements in \frac{n!}{k!(n-k)!} ways.

(^6 _3)=\frac{6!}{3!(6-3)!}=\frac{6!}{3! \times 3!}=\frac{3! \times 4 \times 5 \times 6}{3! \times 6}=4 \times 5=20

There are 20 different 3-member groups.
8 0
3 years ago
Anyone know the answer
timurjin [86]

Answer:

Infinite solution

Step-by-step explanation:

if you use distribute property on  3(x-5), it will equal to 3x-15.

5 0
3 years ago
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