3 years ago

Problem 1:

1 answer:

4 0

Melanie pumps 2 in per hr....Lori pumps 4 in per hr
so Lori pumps water at a faster rate

Yolanda writes 1 per day...Zoe writes 2 per day
so Zoe has higher the rate of production

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OLEGan [10]

Answer:

Step-by-step explanation:

1/3(pi) times the radius (3,because its half of 6) squared, times height (10) gives you 94.24777.... which is equivalent to C

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3 years ago

Jim is a minor manufacturer. He needs to know the forecasted sales for September to formulate a plan in advance. What is his for

Olin [163]

Answer:

$3838

Step-by-step explanation:

The mean of the given numbers is their sum divided by the number of them:

mean = (3000 +3500 +4000 +4500 +3000 +3500 +4204 +5000)/8

= 30704/8 = 3838

If Jim is using this mean for his forecast, then his forecasted sales is $3838.

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3 years ago

Factorise 7a + 14b + ax + 2bx<br>

Ann [662]

Answer:

Step-by-step explanation:

7(a + 2b) + x(a + 2b)

(7 + x)(a + 2b)

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3 years ago

Read 2 more answers

3x + 2y = 4

MrRissso [65]

Answer:

B, "it has one solution"'

(2,-1)

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3 years ago

Read 2 more answers

Solve by completing the square <br><br> 3x^2-7x-1

docker41 [41]

Answer:

$x=\frac{7+\sqrt{61}}{6},\:x=\frac{7-\sqrt{61}}{6}$

Step-by-step explanation:

$a=3,\:b=-7,\:c=-1:\quad x_{1,\:2}=\frac{-\left(-7\right)\pm \sqrt{\left(-7\right)^2-4\cdot \:3\left(-1\right)}}{2\cdot \:3}$

$x=\frac{7+\sqrt{61}}{6},\:x=\frac{7-\sqrt{61}}{6}$

3 0

3 years ago