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3 years ago

Solve the inequality. graph the solution

Mathematics

1 answer:

Levart [38]3 years ago

5 0

Answer:

a or the first one

Step-by-step explanation:

x - 1 ≤ 6

add 1 to both sides

x ≤ 7

the ≤ is pointing <<< that way

so the line will go on the left side of seven

and since its greater than or equal to its a closed circle

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3 years ago

During the exponential phase, E. coli bacteria in a culture increase in number at a rate proportional to the current population.

NikAS [45]

Answer:

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Step-by-step explanation:

The appropriate exponential equation for the population is ...

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3 years ago

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2 years ago

Read 2 more answers

Find the dimensions of an American football field. The length is 200 ft more than the width, and the perimeter is 1,040 ft. Find

natka813 [3]

Answer:

The width of the football field is 160 feet.

The length of the football field is 360 feet.

Step-by-step explanation:

Let w represent width of the football field.

We have been given that the length is 200 ft more than the width, so the length of the field would be $w+200$ .

We are also told that the perimeter is 1,040 ft. We know that football field is in form of rectangle, so perimeter of field would be 1 times the sum of length and width. We can represent this information in an equation as:

$2(w+w+200)=1040$

Let us solve for w.

$2(2w+200)=1040$

$4w+400=1040$

$4w+400-400=1040-400$

$4w=640$

$\frac{4w}{4}=\frac{640}{4}$

$w=160$

Therefore, the width of the football field is 160 feet.

Upon substituting $w=160$ in expression $w+200$ , we will get length of field as:

$w+200\Rightarrow 160+200=360$

Therefore, the length of the football field is 360 feet.

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3 years ago

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Answer:

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