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nadya68 [22]
3 years ago
15

Done yay !!!!!!!!!!!!!!

Mathematics
2 answers:
Alex3 years ago
7 0

Adjacent, cosine again.

a = c cos B = 13 cos(16+45/60) = 13 cos(16.75) = 12.448

Choice a

Dahasolnce [82]3 years ago
5 0

Answer:

A

Step-by-step explanation:

cosine rule

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Which fraction is equivalent to -3/2
Alchen [17]

Answer:

It is -1 with 1/2.

Step-by-step explanation:

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3 years ago
What is the equation of the line? Write in standard form. (4,5).
dezoksy [38]

Answer:

\large\boxed{5x+4y=20}

Step-by-step explanation:

The equation of a line in slope-intercept form:

y=mx+b

m - slope

b - y-intercept → (0, b)

We have the x-intercept = 4 → (4, 0), and y-intercept = 5 → b = 5.

Therefore we have the equation:

y=mx+5

Put the coordinates of x-intercept to the equation:

0=4m+5          <em>subtract 4m from both sides</em>

-4m=5           <em>divide both sides by (-4)</em>

m=-\dfrac{5}{4}

Finally we have the equation of a line if slope-intercept form:

y=-\dfrac{5}{4}x+5

The standard form:

Ax+By=C

Convert:

y=-\dfrac{5}{4}x+5             <em>multiply both sides by 4</em>

4y=-5x+20               <em>add 5x to both sides</em>

5x+4y=20

4 0
3 years ago
What are the coordinates of the point?
Olenka [21]

Answer:

(-3,6)

Step-by-step explanation:

As  graph shows x=-3 and y=6  

6 0
3 years ago
Read 2 more answers
How many times must Henry fill a 350 mL cup to an empty 10.5 L sink that is filled with water?
Akimi4 [234]
10.5 L = 10500 mL
# times = 10500/350 = 30 times
5 0
3 years ago
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What is the slope of the line that passes through (3, 14) and (7, 9)?
konstantin123 [22]

Answer:

m=\frac{-5}{4}

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (3, 14)

Point (7, 9)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute [Slope Formula]:                    m=\frac{9-14}{7-3}
  2. Subtract:                                                   m=\frac{-5}{4}
7 0
3 years ago
Read 2 more answers
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