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n200080 [17]
3 years ago
14

Can anyone please help

Mathematics
1 answer:
ANTONII [103]3 years ago
3 0

2. 64 = 2 × 2 × 2 × 2 × 2 × 2 2 |64

√64 = √2 × 2 × 2 × 2 × 2 × 2 2 |32

√64 = 2 × 2 × 2 2 |16

√64 = 2³ 2 |8

√64 = 8 2 |4

2 |2

3. No positive square root exists for -85 as it is a negative integer. The squares of a number is always positive.

4. 114 is not a perfect square. √114 = 10.677078252

5. √16 = 4

6. √105 = 10 (nearest)

7. √81 = 9

8. √14 = 4 (nearest)

9. √8 = 3 (nearest)

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huong and kathyrn each day impeoved their yards by planting rose bushes and ornamental grass. they bought their supplies from th
marta [7]

Answer:

One rose bush = $3

One bunch of ornamental grass = $4

Step-by-step explanation:

We can set up a system of equations to solve for this. Let cost of 1 rose bush be r and cost of 1 ornamental grass be g. Thus we can form 2 equations:

14r+7g=70\\5r+14g=71

We can multiply the first equation by -2 so that we can eliminate g. Thus, we have:

(*-2)14r+7g=70\\5r+14g=71\\-------\\-28r-14g=-140\\5r+14g=71\\--------\\-23r=-69\\r=\frac{-69}{-23}=3

Thus, 1 rose bush is $3. Now plugging in r = 3 into the first original equation, we can solve for g:

14r+7g=70\\14(3)+7g=70\\42+7g=70\\7g=70-42\\7g=28\\g=\frac{28}{7}=4

Thus, 1 bunch of ornamental grass is $4.

5 0
3 years ago
Which table represents the same linear relationship as y = x + 3?
Ilia_Sergeevich [38]

Answer:

The seconf option

x = 0, 2, 4

y = 3,5,7

Step-by-step explanation:

plug in your x and y points into the equation and they should be the same of both sides

ex (0,3)

3 = 0 + 3

^y    ^x

5 0
2 years ago
52 points will mark brainliest for correct answers
Sedbober [7]
18 and 17 should have a line through
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A random sample of students were surveyed as to how much non-school screen time
GaryK [48]

The percentage of students who spend less than 4 hours a week on screens which reported a grade average below 80 is 50%

Given, we have the report representing children spending time online, on social media or watching T.V, which has there effect on there grades as above or below 80.

By the question we know that the number of students who spends less than 4 hours a week on screen is:

9 + 9

= 18

And among the 18 students there are 9 students whose grade average is below 80.

So the percentage of the students who spends 4 hours a week on screen is:

= 9 ÷ 18 × 100%

= 100/2

= 50%

hence 50% students spend less than 4 hours a week on screens.

Learn more about Percentage here:

brainly.com/question/843074

#SPJ1

3 0
1 year ago
Jim bought the game system on sale for $195. Kaylen bought the same system at full price for $250. How much was the sale when ji
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The sale was 55$ because if you subtract those you get 55 which is the difference between the two
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