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Gnesinka [82]
3 years ago
6

Evaluate 2-(-4)+3+(-6)-(-2)

Mathematics
1 answer:
zysi [14]3 years ago
7 0

Answer:

5

Step-by-step explanation:

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84 times four thirds
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112
84 times 4/3= 336/3=112
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3 years ago
Toys R Us is having a 38% off sale on all their backpacks. If a backpack normally costs $22.00:how much will it be on sale.
Alex777 [14]

8.34 is the answer

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3 years ago
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Does the table show a direct proportional relationship? If so, what is the constant of proportionality?
lesantik [10]

Answer:

C. Yes, 3.5.

Step-by-step explanation:

If there is a relationship of direct proportionality for every ordered pair of the table, then the constant of proportionality must the same for every ordered pair. The constant of proportionality (k) is described by the following expression:

k = \frac{y}{x} (1)

Where:

x - Input.

y - Output.

If we know that (x_{1}, y_{1}) = (13, 45.5), (x_{2}, y_{2}) = (14, 49) and (x_{3}, y_{3}) = (15, 52.5), then the constants of proportionalities of each ordered pair are, respectively:

k_{1} = \frac{y_{1}}{x_{1}}

k_{1} = \frac{45.5}{13}

k_{1} = \frac{7}{2}

k_{2} = \frac{y_2}{x_2}

k_{2} = \frac{49}{14}

k_{2} = \frac{7}{2}

k_{3} = \frac{y_{3}}{x_{3}}

k_{3} = \frac{52.5}{15}

k_{3} = \frac{7}{2}

Since k_{1} = k_{2} = k_{3}, the constant of proportionality is 3.5.

8 0
3 years ago
Please help me i’m stupid
dimaraw [331]

Answer:

6 hours

Step-by-step explanation:

if it costs 12 dollars to rent it at first then that subtracts 12 dollars from the total 30.

this leaves you with 18 buck, divide 18 by 3 and you get 6, she had it for 6hours

6 0
3 years ago
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Kayleigh babysat for 11 hours this week that was 5 fewer than 2/3 as manyas she baby sat last week, h write an equation to repre
mars1129 [50]

Answer:

10.5 hours

Step-by-step explanation:

To find the number of hours she babysat last week subtract 5 from 11 which is 7 hours. 7 hours is equal to 2/3 of the many hours. If she babysat h hours last week then solve for h using 2/3 h = 7.

Solve the equation by multiplying each side by the reciprocal.

3/2 * 2/3h = 7*3/2

h = 21/2

h = 10.5 hours

3 0
3 years ago
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