3 years ago

Evaluate the expression when x= -5.2 and y = –6.8. 4x-7y

Mathematics

1 answer:

vfiekz [6]3 years ago

7 0

Step-by-step explanation:

Substitute variables with given values

Minus sign becomes plus sign if a negative is multiplied by a negative or a negative is put next to a negative number.

4x-7y=4(-5.2)-7(-6.8)

-20.8+47.6=26.8

You might be interested in

Eleven members of the Middle School Math Club each paid the same amount for a guest speaker to talk about problem solving at the

Step2247 [10]

You know the number has to be divisible by 11. You also know the number is between 100 and 200.

You can list the multiples of 11 in this interval.

110, 121, 132...

You have your answer. The total price is 132 dollars, and the missing digit is 3.

7 0

4 years ago

An aquarium is 30 inches long, 15 inches high and 12 inches wide. What is the volume of the aquarium?

quester [9]

Formula for volume L x W x H
We got them all.
So, 30 x 15 = 450.
450 x 12 = 5400

The aquarium is 5400^2 inches

3 0

4 years ago

Read 2 more answers

20 points

tensa zangetsu [6.8K]

Step-by-step explanation:

156 , 52 times by 3 is 156

3 0

4 years ago

Read 2 more answers

Write in algebraic expression 15 less than the product of 2 and r

STALIN [3.7K]

Answer:

2r - 15

Step-by-step explanation:

product of 2 and r is 2r and then minus by 15. im sorry if this is wrong haha

3 0

3 years ago

Name the ray in the figure.<br> <—•A———————•B

Scilla [17]

Answer:

Ray BA

Step-by-step explanation:

RAY BA

B IS THE POINT OF EMERGENCE OF RAY AND GOING IN THE DIRECTION BA.

5 0

3 years ago