49=-7/4v what does v=

Answers

Answer 1

Answer: $49=-(7)/(4)v\Big|\cdot\left(-(4)/(7)\right)\nv=49\cdot\left(-(4)/(7)\right)\nv=7\cdot(-4)\nv=-28$

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6 tractors take 6 days to collect the harvest. How long would it take 9 tractors to do the same amount of work?

Answers

t - tractors
d - days

$6t * 6d =9t*xd \n \n x= (36td)/(9td) =4$

Four days

What is 399499 to the nearest thousand

Answers

399499 nearest thousand is:
9000

because:

39 - 9499 (9499 = THOUSAND)

Can someone please help me out!! An employer offers a health insurance plan with a monthly premium of $450. The employer pays 60% of the premium. How much of the monthly premium is the employee responsible for?

$270
$180
$60
$40

Answers

Answer:

The employee is responsible for $180

Answer:

$180

Step-by-step explanation:

$450×.60=$270

$450-$270=$180

The LCD of 2, 3, and 4 is

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

Which geographic feature contributed to the beginning of farming communities? A. a snowy mountain with a lot of snowmelt

B. a swampland with lots of waterfowl

C. a low-lying floodplain that had rich soil

D. arid land that relied on winter rains

Answers

Answer:

C.) A low-lying floodplain that had rich soil.

Step by Step Explanation:

Flood-plains are the large, flat expanses of land that form either side of the river.

A flood-plain is the area around the river that is covered with river water in the times of flood.

A flood-plain area is a very fertile land due to the high alluvium sediment by floodwaters.

This process makes flood-plains a good fertile land for agriculture.

The build of alluvium on the banks of rivers can create a natural dam which can increase the river bank.

I think that the answer is C. a low-lying floodplain that had rich soil

the measure of the angles of a triangle are represented by (2x)°, (x+40)°, and (x)°. what is the measure of the largest angle of the triangle?

Answers

Sum of angles of a triangle : 180°

So, 2x + x + 40 + x = 180

4x + 40 = 180
4x = 180 - 40
4x = 140
x = 35°

So, angles -
x = 35°
2x = 2×35° = 70°
x + 40 = 35°+40° = 75°

So, largest angle - 75°

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