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1 year ago

Whose experiment correctly represents the relationship shown at the table

Mathematics

1 answer:

Troyanec [42]1 year ago

4 0

c: number of carnations

r: number of roses

Rebecca's expression is

r = c + 4

Replacing with the values of the table:

c | r

0 | 0+4 = 4

1 | 1+ 4 = 5

2 | 2+4 = 6

3 | 3+4 = 7

4 | 4+4 = 8

Then, Rebecca is correct.

Isolating c from Rebecca's expression:

c = r - 4

which is Austin's expression. Then, Austin is correct too.

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Given: Inscribed △ABC

nexus9112 [7]

Answer:

$AB=20\sin 80^{\circ}\approx 19.7\ in\\ \\AC=20\sin 65^{\circ}\approx 18.1\ in\\ \\BC=20\sin 35^{\circ}\approx 11.5\ in$

Step-by-step explanation:

In triangle ABC, OA = OB = OC = 10 in. These segments are radii of sircumscribed circle. So, R = 10 in.

The sum of all interio angles is 180°, so

m∠C=180°-35°-65°=80°

Use the sine theorem,

$\dfrac{AB}{\sin C}=\dfrac{AC}{\sin B}=\dfrac{BC}{\sin A}=2R$

Thus,

$\dfrac{AB}{\sin 80^{\circ}}=\dfrac{AC}{\sin 65^{\circ}}=\dfrac{BC}{\sin 35^{\circ}}=20$

Therefore,

$AB=20\sin 80^{\circ}\approx 19.7\ in\\ \\AC=20\sin 65^{\circ}\approx 18.1\ in\\ \\BC=20\sin 35^{\circ}\approx 11.5\ in$

7 0

3 years ago

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AnnyKZ [126]

F(4) = -4(4) - 3 = -16 - 3 = -19
answer
f(4) = -19

g(-4) = 2(-4)^2 - 3(-4) = 2(16) + 12 = 32 + 12 = 44
answer
g(-4) = 44

6 0

3 years ago

Is x equals 12 a solution to the equation 6 + x = 19

lara [203]

Answer:

19 minus 6 is equal to 13 so your answer would be thirteen

4 0

3 years ago

Please help its due today 21 points

elixir [45]

Answer:

Step-by-step explanation:

A parallelogram is basically a shape with 4 corner and/or sides that has 2 sides that are 'parallel', as stated in the name itself.

3 0

2 years ago

Read 2 more answers

Hank and Debra each own two milking cows. One day, they milked their cows and compared the amount of milk the cows produced in t

drek231 [11]

Answer:

The answer to your question is 2 7/24

Step-by-step explanation:

Data

Hank's cows = 4 3/4 and 4 1/8

Debra's cows = 5 1/2 and 5 2/3

Process

1.- Convert the mixed functions to improper fractions

Hank's (16 + 3)/4 = 19/4 (32 + 1)/8 = 33/8

Debra's (10 + 1)/2 = 11/2 (15 + 2)/3 = 17/3

2.- Sum up Hank's milk and Debra's milk

Hank's 19/4 + 33/8 = 38/8 + 33/8 = 71/8

Debra's 11/2 + 17/3 = 33/6 + 34/6 = 67/6

3.- Subtract Hank's milk to Debra's milk

67/6 - 71/8 = (268 - 213)/24

= 55/24

-Convert into a mixed fraction

24 55

55/24 = 2 7/24

4.- Conclusion

Debra milked 2 7/24 more milk than Hank

4 0

3 years ago