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wel
3 years ago
13

If 6 workers can cut the grass in 4 hours, how many workers will be needed to cut the grass in 3 hours?

Mathematics
1 answer:
iren [92.7K]3 years ago
3 0
The answer for this question is B
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What does it mean for an equation to have no solution or infinite solutions? How does the equation appear when those are the out
KonstantinChe [14]
Hey!


Now it is in fact possible for an equation to have no solutions or infinite solutions.

An equation getting infinite solutions would mean that you could choose any number for the variable ( ex. x or y ), and that number would make the equation true. To represent an equation with infinite solutions we'd use the infinite symbol.

An equation getting no solutions would just that. It would mean the equation has no solutions what so ever. You could plug in any number for the variable and every single time you would get no solution. In addition to the equation having no solutions, this would also mean that the equation is not true can never be true. To represent an equation with no solutions, we'd use a symbol that is a zero with a diagonal line through it.

Hope this helps!


— Lindsey Frazier ♥️
7 0
3 years ago
The mean age of 9 women in an office is 27 years old. The mean age of 7 men in an office is 25 years old. What is the mean age (
marta [7]

Answer:

26 years

Step-by-step explanation:

Given:

The mean age of 9 women = 27 years old

The mean age of 7 men = 25 years old

Question asked:

What is the mean age (nearest year) of all the people in the office?

solution:

By using, mean = sum of observations divided by number of entities

The mean age of 9 women = 27 years old

\frac{sum of ages}{number of women} = 27

Sum  of ages of women = 27 \times9 = 243\\ years

The mean age of 7 men = 25 years old

\frac{sum of ages}{number of men} = 25

sum of ages of men = 25 \times7 = 175

Total sum of ages of men and women in the office = 243 + 175

                                                                                     = 418 years

Total number of people in the office = 9 women + 7 men = 16

The mean age of all the people in the office = Total sum of ages of men and women in the office divided by Total number of people in the office

                                                                         = \frac{418}{16}  = 26.125

Therefore,  the mean age (nearest year) of all the people in the office = 26 years

6 0
4 years ago
Write the point-slope form of the line that passes through (1, -5) and is parallel to a line with a slope of 1. Include all of y
Pavel [41]
Y=mx + b

Since this line is // to the one with a slope = 1, that means m = 1, hence 

y=x + b. Now let's calculate b. The graph passes by A(1,-5), you replace x and y by their related coordinates:

-5 = 1 + b → →b = -6

Final linear equation ; y = x -6

7 0
4 years ago
Area of a rectangle of 5 2/5 x 9 2/10=
kolbaska11 [484]
46/5
You need to regroup, 9 times 5 equals 45 and you need to regroup the numerator 45+1=46. Demonator always stays the same
4 0
4 years ago
Hi this is a challange what is.....<br><br> 700 x 500 = ?
Ksju [112]

Answer:

do 7 x 5 then add 4 zeros so its 350,000

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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