2 years ago

Evaluate 14 - 2xy when x = -6 and y = 2

Mathematics

1 answer:

Alexxandr [17]2 years ago

7 0

14 - 2(-6)(2)=
14 - (-12)(2)=
14 - (-24)=
14 + 24= 38

You might be interested in

Solve the equation 18=-5(4x+3)+21x

AlexFokin [52]

$-5(4x+3)+21x=18\\\\(-5)(4x)+(-5)(3)+21x=18\\\\-20x-15+21x=18\ \ \ |+15\\\\x=33$

5 0

2 years ago

What is 21/2 as a mixed number?

Daniel [21]

Since a fraction is a form of division, you do 21/2=10 and 1/2.

3 0

2 years ago

Read 2 more answers

1. What is the area of the triangle below? 10 in. 7 in.

Alex787 [66]

The area of a triangle is

$\cfrac{base*height}{2}$

If we plug in the given values, we get:

$\frac{10*7}{2}$

Multiply in the numerator:

$\frac{70}{2}$

Divide:

$35$

Therefore, the area of the triangle is 35 inches squared.

6 0

1 year ago

Read 2 more answers

Write the following equation in slope-intercept form. 1/3 - y+6=0

Radda [10]

Answer:

y=19/3

Step-by-step explanation:

4 0

2 years ago

You want to buy a camera. The retail price is $75. The camera is on sale for 15% off . What is the sale price of the camera?

ludmilkaskok [199]

Answer:

$63.75

Step-by-step explanation:

15% off

Get percentage of retail price

1-0.15 = .85

0.85 = 85%

The sale price is 85% of the retail price

Multiply

0.85 * 75

$63.75

7 0

1 year ago