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Y_Kistochka [10]
2 years ago
7

Please see the picture below

Mathematics
1 answer:
alisha [4.7K]2 years ago
8 0

Answer:

\frac{\sqrt{17}}{17}

Step-by-step explanation:

sin theta = opposite/hypotenuse

sin theta = 1/sqrt17

sin theta = sqrt17/17 (simplified form)

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Solve using the substitution method:<br><br>y = -2x - 7<br>y = 3x + 3​
levacccp [35]
Substitute
So, -2x-7 = 3x + 3
+2x. +2x
-7= 5x +3
-5x. -5x

-5x-7= 3
+7. +7
-5x= 10

Divide -5 on both sides and you get x= -2

Then substitute -2 in the first equation

-2(-2)-7
4-7
Y= -3
4 0
3 years ago
Raul has $460 in his checking account. Each month, $45 is automatically deducted from his account to pay for his cell phone plan
olasank [31]

Answer:

7 Months

Step-by-step explanation:

x=number of months

how much is deducted total=number of months times amount deducted per m onth

amount deducted per month=45

number of months=x

how much deducted total=45x

460-deducted total is more than 100

460-45x>100

solve for x

add 45x to both sides

460>100+45x

subtract 100

360>45x

divide both sides by 45

8>x

answer is 7 months

if he does 8 months, then he will have exatly 100 and 100 is noe more than 100

7 0
3 years ago
Read 2 more answers
What is the image of the point (-7,9) after a rotation of 270 counterclockwise about the origin
erastovalidia [21]
Answer is (9, 7)

Step by step

Rule: 270 degrees counterclockwise about the origin our point A(x,y) becomes A'(y,-x).

This means, we switch x and y and make x negative.

So

(-7, 9) ➡️ ( 9, 7)
8 0
2 years ago
An arrangement of flowers originally priced at $46.00 is marked down to $35.00. What is the percent of decrease, rounded to the
dmitriy555 [2]
<span>The decrease is 46-35=11 11/46 is approximately 0.23913, or 23.913% Rounded to the nearest whole percent, this is 24%, so I'd say B</span>
8 0
3 years ago
Read 2 more answers
Is the discriminant of f positive, zero, or negative?
lara [203]

Answer:

It might be negative, I'm not sure, but I feel postive about that answer.

Step-by-step explanation:

6 0
3 years ago
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