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Ann [662]
3 years ago
9

6x+5y+3x+7-5y Fully Simplify expression below​

Mathematics
2 answers:
Schach [20]3 years ago
8 0

Answer:

9x + 7

Step-by-step explanation:

6x + 5y + 3x + 7 - 5y \\  = 6x + 5y + 3x + 7 + ( - 5y)

Combine like terms,

(6x + 3x) + (5y + ( - 5y)) + (7) \\ 9x + 7

Hope this will help you :))

leva [86]3 years ago
5 0

Answer:

9x + 7

Step-by-step explanation:

Given

6x + 5y + 3x + 7 - 5y ← collect like terms

= (6x + 3x ) + (5y - 5y ) + 7

= 9x + 0 + 7

= 9x + 7

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A production plant cost-control engineer is responsible for cost reduction. One of the costly items in his plant is the amount o
Ann [662]

Answer:

248.96

Step-by-step explanation:

From this regression output we have the MS Residual or mean squared error to be equal to 61983.1

the question requires us to find the standard error of the estimate. The standard error of the estimate can be gotten by finding the square root of the MSE.

\sqrt{61983.1}

= 248.96

the standard error of the estimate = 248.96

thank you!

6 0
2 years ago
It takes William 45 minutes to weed the garden. It takes his younger sister May 75 minutes to do the same job. If they work toge
marshall27 [118]

Answer:

B. 28 minutes

Step-by-step explanation:

According to the given statement,

William weeds the whole garden in 45 minutes, then in one minute he will weed 1/45 of the garden

and

similarly, 1/75 of the garden in one minute.

When they both will work together, they will weed (1/45+1/75) of the garden in one minute

Solving the equation:

= \frac{1}{45}+ \frac{1}{75}\\= \frac{75+45}{3375}\\ =\frac{120}{3375}\\ = 0.036

Garden weeded in one minute by both = 0.036

So, number of minutes to weed whole garden = 1/0.036

= 27.77 minutes

Rounding off will give us: 28 minutes

So,

Option B is the correct answer ..

4 0
3 years ago
The perimeter of a rectangular window is 264 cm.
german

Answer:

length = 76 cm

Step-by-step explanation:

The perimeter = (2 × width) + (2 × length)

264 = (2×56) + (2 × length)

264 = 112 + (2 × length)

264 - 112 = 2 × length

152 = 2 × length

152/2 = length

76 = length

length = 76 cm

5 0
2 years ago
An architect designs a rectangular flower garden such that the width is exactly two thirds of the length of 270 feet of an antiq
bezimeni [28]
Width=180
Area=48600
Perimeter=900
8 0
3 years ago
100 POINTS!! MICROSOFT EXCEL
murzikaleks [220]

Step-by-step explanation:

A new coffee shop is being built. Its location is the reflection of the arcade's coordinates across

the y-axis. Which procedure will find the correct distance between the arcade and the new coffee shop

4 0
2 years ago
Read 2 more answers
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