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3 years ago

12

16x2 - 8x + 1 is an example of a ______

1 answer:

serg [7]3 years ago

6 0

Answer:

the answer would be an equation

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A friend has a 83% average before the final exam for a course. That score includes everything but the final, which counts for 25

Klio2033 [76]

Answer:

$\mathrm{Best\:course\:grade\:possible:\:}87.25\%,\\\mathrm{Minimum\:score\:on\:final\:to\:earn\:at\:least\:a\:75\%\:for\:the\:course:\:}51\%$

Step-by-step explanation:

Assuming the maximum score for the final is $100\%$ , we can multiply each score by its respective course weight and add them together to give a final score. If your friend did receive this maximum score of $100\%$ , their overall grade for the course would be:

$83(1-0.25)+100(0.25)=\fbox{$87.25\%$}$ .

To find the minimum score they need to earn a 75% for the course, we set up the following equation:

$83(1-0.25)+x(0.25)=75$ , where $x$ is the minimum score she needs.

Solving, we get:

$62.25+x(0.25)=75,\\x(0.25)=12.75,\\x=\fbox{$51\%$}$ .

8 0

2 years ago

Given the parent function p(x) = cos x, which

GaryK [48]

Answer: left a units, down b units

Step-by-step explanation:

5 0

2 years ago

Help plz it’s my final grade besties

Furkat [3]

a)

blank table values:

1, 2, 4, 8, 16, 32, 64

(2,4) and (6,64)

b)

y = 1 * $2^{x}$

$2^{20}$ = 1048576

5 0

3 years ago

Decrease 200 by 17% please

Juliette [100K]

166 hope this helps u with ur homwork

5 0

3 years ago

How many ordered pairs (x, y) of positive integers satisfy the inequality 4x + 5y < 20?

lorasvet [3.4K]

Answer:

6

Step-by-step explanation:

The ordered pairs that satisfy the inequality are shown in the attachment. There are 6 of them.

4 0

2 years ago