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Viktor [21]
1 year ago
15

Identify the coefficient of 7xy A. 1 B. 7 C. y D. x

Mathematics
2 answers:
Usimov [2.4K]1 year ago
8 0
<span>In the question "Identify the coefficient of 7xy" The correct answer is 7. A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression eg 2 is the coefficient of the expression 2x. Thus the coefficient of the expression 7xy is 7.</span>
Mariulka [41]1 year ago
8 0

Answer:

B

Step-by-step explanation:

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Which number is between 7.17 x 10^4 and 8.17 x 10^5
xxTIMURxx [149]

Answer:

71701,71702, 71703 etc

Step-by-step explanation:

Given :

7.17×10^{4} and 8.17×10^{5}

Now

7.17×10^{4}=71700 and

8.17×10^{5}=817000

There are so many numbers between 71700 and 817000

Like: 71701,71702, 71703 etc

8 0
1 year ago
garcia has 1 more than four times the number of marbles than quincy has. the difference in the amount of marbles is 19
Margaret [11]

Answer:

Okay so we probably have to find the amount of marbles grace OR quincy has ( you didnt say specifically)

Step-by-step explanation:

Lets say the amount of marbles quincy has is x. Grace has 1 more than four times x, which looks like this:

4x + 1

Then they state that the difference in the amount of marbles they have is 19. So now it looks like this:


4x + 1 + 19   ( We do plus 19 because if the difference in marbles is 19, that means grace has 19 MORE than quincy

Now we have completed the equation. All we have to do is solve:

4x + 1 + 19

4x  = 20

4x / 4 = 20 / 4

x = 5


Now to re - check our solution to see make sure its correct, we substitute it back into the original equation :

x = 5

4(5) + 1 + 19  =

40

So garcia has 21 marbles, and quincy has 5.

5 0
1 year ago
(II) Time intervals measured with a stopwatch typically have an uncertainty of about 0.2 s, due to human reaction time at the st
Reil [10]

Answer:

(a) 36.36%

(b) 0.36%

(c) 0.06%

Step-by-step explanation:

Given that the time intervals measured with a stopwatch have an uncertainty of about 0.2 s.

We want to know what is the percent uncertainty of a hand-timed measurement of:

(a) 5.5 s

Percentage = (0.2/5.5) × 100

≈ 36.36%

(b) 55 s

Percentage = (0.2/55)×100

≈ 0.36%

(c) 5.5 min

5.5 min = 5.5 × 60 s

= 330 s

Percentage = (0.2/330)×100

≈ 0.06%

5 0
1 year ago
Rearrange the formula I = √P/R for R.
katrin2010 [14]

Answer:

A) R = P/I²

Step-by-step explanation:

I = √P/R

Square each side

I^2 = (√P/R)^2

I^2 = P/R

Multiply each side by R

I^2R =P/R * R

I^2R = P

Divide by I^2

I^2R / I^2 = P/ I^2

R = P/ I^2

3 0
1 year ago
3. From noon to midnight, how many times do the hands of a clock form a<br> straight line
melomori [17]

Step-by-step explanation:

The hands of a clock point in opposite directions ( in the same straight line) 11 times in every 12 hours.

4 0
1 year ago
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