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2 years ago

5

Which expression uses numbers and symbols to represent the statement “subtract 6 from 11, double the difference, and then add th

ree-fourths”?

1 answer:

Xelga [282]2 years ago

8 0

Answer: 2(11-6) + 3/4

Step-by-step explanation:

2(11-6) + 3/4

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Solve negative 5 over 2, the whole multiplied by x minus 5 equals negative 55.

astraxan [27]

Answer:

-24

Step-by-step explanation:

$- \frac{5}{2} x \: - 5 = 55$

Multiply through by the denominator (that is, 2)

$= 2 \times ( - \frac{5}{2} x) \: - 5(2) = 55(2)$

$= - 5x - 10 = 110$

Collect like terms

$- 5x \: = 110 +10$

$- 5x = 120$

Divide through by - 5x

$\frac{ - 5x}{ - 5} = \frac{120}{ - 5}$

$x = - 24$

5 0

3 years ago

Read 2 more answers

What is 78.74 rounded to the nearest tenth?

sveticcg [70]

Answer:

The answer is <u>80</u>

Step-by-step explanation:

78.74 is closer to 80 than it is to 70.

4 0

3 years ago

Read 2 more answers

Use the graphs to solve the simultaneous linear equations

Delicious77 [7]

Answer:

x = 2 and y = 5

Step-by-step explanation:

Given the simultaneous linear equations

y = 2x + 1 and x + y = 7

We are to find the value of x and y;

Substitute 1 into 2

From 2;

x+y = 7

x+2x+1 = 7

3x+1 = 7

3x = 7-1

3x = 6

x = 6/3

x = 2

Recall that y = 2x+1

y = 2(2) + 1

y = 4+1

y = 5

Hence the solution from the graph will be the point where the line cuts the x axis and this will be at x = 2 and y = 5

4 0

2 years ago

Lin ran 4 laps around the track in 5 minutes, if lin ran 21 laps, how long does it take her

lyudmila [28]

Answer:

26.25 min

Step-by-step explanation:

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3 years ago

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Bob sets the price of the plants according to their height in inches. A plant that is 9.5 inches high costs $2.28 in his store.

wel

Answer: $0.24

Step-by-step explanation:

9.5 inches --> $2.28
1 inch--->X
now cross multiply it and get,

9.5X = 2.28*1
X = 2.28/9.5

so its $0.24 per inch

4 0

2 years ago