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2 years ago

Help ASAP please....

Mathematics

1 answer:

pochemuha2 years ago

3 0

Answer:

JLK angle (I'm not 100% sure)

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Is 4y= 2x-5 and 2x+y =3 parallel perpendicular or neither?

vodomira [7]

Answer:

perpendicular

Step-by-step explanation:

4y= 2x-5

y = 1/2 x - 5/4

slope₁ = 1/2

2x+y =3

y = -2x + 3

slope₂ = -2

slope₂ = - 1 / slope₁

6 0

2 years ago

Use the quadratic formula to solve for x. 4x2 +9x-1=0

insens350 [35]

Answer:

$x=\frac{-9\pm\sqrt{65} }{8}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Standard Form: ax² + bx + c = 0
Quadratic Formula: $x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}$

Step-by-step explanation:

Step 1: Define

4x² + 9x - 1 = 0

Step 2: Define variables

a = 4

b = 9

c = -1

Step 3: Find roots

Substitute: $x=\frac{-9\pm\sqrt{9^2-4(4)(-1)} }{2(4)}$
Exponents: $x=\frac{-9\pm\sqrt{81-4(4)(-1)} }{2(4)}$
Multiply: $x=\frac{-9\pm\sqrt{81-16} }{8}$
Subtract: $x=\frac{-9\pm\sqrt{65} }{8}$

5 0

2 years ago

What is the total price of a $60 restaurant tab if you leave a 15% tip?

7nadin3 [17]

Answer:

$69 is the total cost of the bill

Step-by-step explanation:

60(1.15)

60 is the cost of the bill, and the 1.15 is the added tax plus the previous $60.

Put 60(1.15) into a calculator and

$69

8 0

2 years ago

From an elevation of 3.5m below the surface of water, a northern bottlenose whale dives at a rate of 1.8 meters per section (m/s

MAVERICK [17]

Answer:

d=3.5+1.8t

Step-by-step explanation:

4 0

1 year ago

Solve the equation x² =6

Klio2033 [76]

I tried doing some equation hope it helps you a little

3 0

2 years ago

Help ASAP please....​

Help ASAP please....