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Rzqust [24]
3 years ago
8

Evaluate the expressions when x = 10 & y =8. 2y

Mathematics
1 answer:
klasskru [66]3 years ago
5 0

Answer: 64

Step-by-step explanation:

y=8

plug in 8 for y

2(8)=64

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Evaluate 3 - (-1) + (-1) - 3.
lara [203]

Answer:

0

Step-by-step explanation:

3 <em><u>-</u></em> (<u><em>-</em></u>1) + (-1) -3 =

Minus and a negative makes it positive. In other words it would be written like this: 3 + 1 <u><em>+</em></u> (<u><em>-</em></u>1) - 3 =

Next step would be making it minus 1, because plus sign and negative makes the number to be subtracted. It would be rewritten like this: <em><u>3 + 1 </u></em>- 1 - 3 =

Then you will simply add 3 and 1, which makes it 4. So it would be rewritten likes this: <em><u>4 - 1</u></em> - 3 =

Then you will simply subtract 1 from 4, which would equal to 3. So it would be rewritten like this: <em><u>3 - 3</u></em> =

Last step, would be subtracting 3 from 3. Whatever is subtracted from itself would always be 0.

So the answer would be 0!

8 0
3 years ago
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Joan reads that the mass of an average
Brilliant_brown [7]

Answer:

35.5 kilograms

Step-by-step explanation:

An average human's brain is 1.5 kilograms.

1.5 + 34 = 35.5

4 0
3 years ago
Can Someone please help me solve this problem asap !
docker41 [41]

He wants the page to have one of each of the four varieties on it. There are 9 daisies to choose from, 7 roses, 5 dandelions, and 2 pansies, so there are

9*7*5*2 = 630

ways of arranging one of each on the page.

7 0
3 years ago
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Aidan buys 9 pound packages of ground turkey to make turkey burgers.How many 1/3 pound turkeys can he make
4vir4ik [10]
27. 9 divided by 1/3 is 27
7 0
3 years ago
Analia wants to know which school has higher academic achievements relative to the number of teachers per student.
Alina [70]

Answer:

1)

Graduation rate divided by teachers per student.

SAT average divided by teachers per student

2)

Yes. According to both definitions, school A has a higher academic achievements relative to the number of teachers per student.

Step-by-step explanation:

Khan academy said it was right

6 0
3 years ago
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