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Bogdan
1 month ago
15

A square lot has sides of 39.875 m Which is the best estimate for the perimeter of the lot?

Mathematics
1 answer:
PIT_PIT [12.4K]1 month ago
4 0
b
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555 grams of wool were needed to knit a sweater, a hat, and a scarf. The hat required 5 times less wool than the sweater and 5 g
Zina [12379]

Answer:

The amount of wool required for a sweater was 400 grams.

A hat needed 80 grams of wool.

A scarf required 75 grams of wool.

Step-by-step explanation:

Let

x ------> grams of wool necessary for a sweater

y -----> grams of wool necessary for a hat

z -----> grams of wool necessary for a scarf

From the information given

x+y+z=555 -----> equation A

y=x/5 ----> x=5y -----> equation B

y=z+5 ---> z=y-5 ----> equation C

By substituting equations B and C into equation A, we can solve for y:

(5y)+y+(y-5)=555

7y=560

y=80 grams

Now, find x

x=5(80)=400 grams

Next, determine z

z=80-5=75 grams

In conclusion,

400 grams of wool was required for the sweater,

the hat needed 80 grams of wool, and

the scarf required 75 grams of wool.

4 0
3 months ago
Apex Grocery wants to build a warehouse that is exactly five miles from each of the routes between stores L, M, and N. Which con
lawyer [12517]

Answer: Option C - Construction Y, as point E serves as the circumcenter of triangle LMN.

Point E is ideal for the warehouse since it maintains equal distances from the three stores located at L, M, and N.

Step-by-step explanation:

To effectively tackle an algebra problem, establishing a geometric illustration frequently proves beneficial. Geometry states that three points define a circle; meaning, there is one unique circle encompassing all three non-collinear points. Identifying the point equidistant from these three points corresponds to finding the circle's center that passes through them (as all points on the circle share equal distance from the center).

Considering our points L, M, and N, draw the segments LM, LN, and MN to outline a triangle. Construct the perpendicular bisectors of any two line segments, and their intersection, point E, will indicate the center of this circle.

As illustrated in Construction Y, E represents the circumcenter of triangle LMN.

This makes it the most suitable place for the warehouse, being equidistant from all three stores at L, M, and N.

QED!

5 0
1 month ago
Aubree wanted to see if there is a connection between the time a given exam takes place and the average score of this exam. She
Svet_ta [12734]

Answer:

you can compute the average by splitting the results by the exam duration and arriving at your answer

Step-by-step explanation:

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1 month ago
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Use properties to rewrite the given equation. Which equations have the same solution as 2 3p-10.1 = 6.5p - 4 - 0.01p? Select two
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Rewriting the given equation, we have: If we multiply the entire equation by 100, we yield 230p - 1010 = 650p - 400 - p. Therefore, the correct equation that shares the same solution is...
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If a pack of 24 pencils cost $2.35 how much does a single pencil cost
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Simply calculate the cost per pencil by dividing the total dollar amount by the number of units: 2.35/24 = $ ______ per pencil, which equals approximately 0.097917, or 97 cents.
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