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Papessa [141]
3 years ago
6

On a test, Alice had 80% of the problems right. If she had

Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
7 0

Answer: she would get 100%

Step-by-step explanation: every correct question u get 5 points so 20 * 5 = 100

s2008m [1.1K]3 years ago
3 0

Answer:

25

Step-by-step explanation:

80% = 0.80

0.80x = 20

0.80x/0.80 = 20/0.80

x = 25

So there was 25 questions on the test

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9<br> 9. What is the slope of the line y = 3x + 2?
gregori [183]

Answer:

3

Step-by-step explanation:

this equation is written in the form of

y = mx + b

where m = slope

so the slope is 3

6 0
3 years ago
Write 56x^2y as a prime factorization.<br> show all of ur work.
Anastaziya [24]

Answer:

–5(8x – 4y”) 5. a(4x” – 6y + 1) 6. c(2a + b + 3c) 7. x(3x” – 2x +5) 8. y(3x + 2y” + 4y) 9

Step-by-step explanation:

3 0
2 years ago
2. A palindrome is a number or a word that is the same in the two directions: left to right and vice
a_sh-v [17]

Answer:

90 between 1000 and 9999

Step-by-step explanation:

The first digit cannot be 0. It can be nine other digits.

The second digit can be anything between 0 and 9.

To be palindromic the 2nd and 3rd digits must be the same.

And in addition, the 1st and 4 numbers must be the same.

So the answer is 9 * 10 = 90. That does seem too small, but try making a palindrome with the restrictions I have outlined. None of the examples you have given beginning with 8 are palindromic.

8118 is palindromic

8998 is also palindromic

9009 is palindromic

2002 is palindromic

There are only 90 of them.

6 0
3 years ago
So i had a 95 in math but then my teacher wanted to drop it to a 45 because she thought something was missing but now how do i b
Amiraneli [1.4K]

Answer:

just ask

Step-by-step explanation:

ask your teacher what am I missing i felt like I had everything done what am i not turning in

5 0
3 years ago
Five times a number minus twice another number equals twenty-two. The sum of the numbers is
KiRa [710]

Answer:4

Step-by-step explanation: 5 times 6=30

30-2(4)=22

4 0
3 years ago
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