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IceJOKER [234]
3 years ago
10

The graph of a proportional relationship passes through the points (15,3) and (5,y) find y

Mathematics
1 answer:
Radda [10]3 years ago
4 0
I think 4 maybe. ? Not sure exactly
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PLEASE HELP! (05.01 MC)
Temka [501]

Answer:

3) Option C is correct.

3 over 3 and 61 hundredths = 6 over 7 and 22 hundredths

Step-by-step explanation:

Triangle BDE is dilated by a scale factor of 2 to obtain triangle BAC.

Dilation by a scale factor of 2 means that all the sides of triangle BAC are twice as much as the corresponding sides of triangle BDE.

And triangle BDE is similar to triangle BAC.

It also means that the corresponding angles are necessarily equal.

BD = 2

BE = 3

ED = 3.61

BA = 2 × BD = 2 × 2 = 4

BC = 2 × BE = 2 × 3 = 6

CA = 2 × ED = 2 × 3.61 = 7.22

Cos ∠D according to trigonometric relations is given as (adj/hyp)

Adj = Adjacent side = BE = 3

Hyp = hypotenuse side = ED = 3.61

Cos ∠D = (3/3.61)

Cos ∠A can also be similarly obtained from trigonometric relations as (adj/hyp)

Adj = Adjacent side = BC = 6

Hyp = hypotenuse side = CA = 7.22

Cos ∠A = (6/7.22)

Since the two angles are corresponding angles of two similar triangles,

We can easily see that

Cos ∠D = Cos ∠A

(3/3.61) = (6/7.22) = 0.8310

Which is necessarily equal to each other

Hence, the proportion that proves that Cos ∠D = Cos ∠A is 3 over 3 and 61 hundredths = 6 over 7 and 22 hundredths.

please mark me brainliest :)

7 0
3 years ago
Help me complete it fast pls
andrew11 [14]

Answer:

AC < AB

Step-by-step explanation:

We can see just by looking at it, they are not the same length.

8 0
2 years ago
Howard pays $327 for one dozen collector’s edition baseball cards. About how much does he pay for each baseball card?
ivanzaharov [21]
2.27 i just divided 12 to 327 then too the the answer that i had gotten
4 0
3 years ago
Read 2 more answers
Your weight on different planets is affected by gravity. An object that weighs 150 pounds on earth Weighs only 56.55 pounds on m
slavikrds [6]
<span>According to a map, the distance between Hilltop and Valleyfloor is 1 3/4 inches. If the map uses a scale of ¼ inch to represent 1 mile, what is the actual distance in miles from Hilltop to Valleyfloor?</span>
4 0
3 years ago
13(y+3)=13y+39 how many solution
Jobisdone [24]

13(y+3)=13y+39

mutiply the bracket by 13

(13)(y)= 13y

(13)(3)= 39

13y+39= 13y+39

move 13y to the right side

sign changes from +13y to -13y

13y-13y+39= 13y-13y+39

0+39= 0+39

39= 39

Answer:

all real numbers

4 0
3 years ago
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