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DedPeter [7]
3 years ago
15

What is an equation of the line that passes through the point (-4,3) and is

Mathematics
1 answer:
zysi [14]3 years ago
3 0

Answer:

The perpendicular line 4x − 5y = 20 has a slope of 4/5 and as such, the slope of the required line = -5/4

(y - 3)/(x + 4) = -5/4 simplify to get the required equation: 5x + 4y + 8 = 0

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Solve tan(3x)=1 if -pi≤x≤pi.
levacccp [35]
Tan(3x) = 1
3x = arctan(1) = pi/4, -3pi/4
x = (pi/4)/3 = pi/12 or (-3pi/4)/3 = -pi/4
Therefore, x = pi/12 or -pi/4
7 0
3 years ago
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What is 987 in expanded notation as an addition expression
Elena L [17]
Well 900 + 80 + 7 = 987
3 0
3 years ago
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Pls help i dont understand :( will mark brainliest!!
kolezko [41]

Answer:

375< y < 525

Step-by-step explanation:

The minimum is 15* 25 = 375

the maximum is 15 * 35 =525

He can earn any amount between these two values

7 0
3 years ago
The Century club runs the concession stand during football games. They sell snacks and drinks. 50 snacks and 180 drinks will sel
katrin2010 [14]

Answer:

The cost of each drink is $1.5

Step-by-step explanation:

Let us represent

The cost of snacks = x

The cost of drinks = y

50 snacks and 180 drinks will sell for $320

Hence:

50x + 180y = 320....... Equation 1

75 snacks and 100 drinks will sell for $225.

Hence:

75x + 100y = 225....... Equation 2

Combining both Equations together

50x + 180y = 320....... Equation 1

75x + 100y = 225....... Equation 2

Multiply Equation 1 by 75 and Equation 2 by 50 to eliminate x

3750x + 13500y = 24000..... Equation 3

3750x + 5000y = 11250....... Equation 4

Subtract Equation 4 from Equation 3

8500y = 12750

y = 12750/8500

y = $1.5

Therefore, the cost of each drink is $1.5

4 0
3 years ago
What is 3 1/2 multiplied by 2 1/4 as a mixed number or fraction
Nataly [62]

Hey there!

3\frac{1}{2} × 2\frac{1}{4}

3\frac{1}{2} = \frac{7}{2}

2\frac{1}{4}  = \frac{9}{4}

\frac{7}{2}×\frac{9}{4}

7\times9 = 63

2\times4 = 8

\boxed{Answer: \frac{63}{8} ; 7\frac{7}{8}  }


Good luck on your assignment and enjoy your day!

~\bold{LoveYourselfFirst:)}


7 0
3 years ago
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