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Sophie [7]
3 years ago
9

Choose the graph of this equation y 2.5

Mathematics
1 answer:
iVinArrow [24]3 years ago
8 0

Answer:

A

Step-by-step explanation:

when you look at the y axis 2.5 is a point

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Hey student government organization is selling Christmas trees as a fundraiser on Friday they sold five noble fir trees and thre
Zinaida [17]
420 didved by 2 (Friday and Saturday) equals (=) 210

6 0
3 years ago
A conjecture and the paragraph proof used to prove the conjecture are shown.
aleksklad [387]

Observe the figure given.

Let us complete the given paragraph:

It is given that E is the midpoint of DF. So, DE \cong EF by the definition of midpoint.

As, midpoint divides the line segment into two equal halves.

Therefore, DE  =EF by the segment congruence postulate. DE+EF = DF by the segment addition postulate and so DE+DE = DF by substitution.

Segment Addition Postulate states that given 2 points P and Q, a third point S lies on the line segment PQ if and only if the distances between the points satisfy the equation PS + SQ = PQ.

Simplifying gives 2DE = DF.



6 0
3 years ago
A coat of paint of thickness 0.06 cm is to be applied uniformly to the faces of a cube of edge 33 cm. Use differentials to find
Aneli [31]

Answer:

392 cm^3

Step-by-step explanation:

Let X represent the edge of a cube

let t represent the thickness of the paint.

Volume of a cube = x^3

V = x^3

Differentiate V with respect to x

dV/dx = 3x^2

dV = 3x^2 dx

dx = 2dt

= 2(0.06)

= 0.12

dV = 3(33)^2 (0.12)

dV = 392.04cm^3

dV = 392 cm^3

6 0
3 years ago
When Kylie asked her grandfather how old he was, he replied, "the two digits in my age are the ages of your brother isaac and si
Kitty [74]

Answer:

Kylie's grandfather is 73 years old.

Step-by-step explanation:

Let the first digit in Kylie's grandfather's age be x, which is the age of Isaac

Let the second digit in Kylie's grandfather's age be y, which is the age of Kendra.

Therefore from the given information we can say that

(10x + y) + x + y = 83

therefore 11x + 2y = 83

Let us take x  = 7 then we get  77 + 2y = 83 \Rightarrow y = 3

Therefore we can say Issac's age is 7

and Kendra's age is 3

and the age of Kylie's grandfather is 73.

6 0
3 years ago
A light bulb consumes 2400 watt-hours per day. How long does it take to consume 13800 watt-hours?
olga55 [171]
It will take about 5.75 days. basicly 5 days and 18 hours.
divide hours by total, and then find out 75 percent of 24
4 0
3 years ago
Read 2 more answers
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