3 years ago

I need the answer for all but the last one.

Mathematics

2 answers:

Liono4ka [1.6K]3 years ago

8 0

Answer:

2. 7 + 4

3. 21 - 27

4. 8 - 28

Step-by-step explanation:

2. 1 (7+4) = 1×7 + 1×4 = 7 + 4

3. 3 (7-9) = 3×7 - 3×9 = 21 - 27

4. 4 (2-7) = 4×2 - 4×7 = 8 - 28

hope this helps :)

uranmaximum [27]3 years ago

5 0

Answer:

1. the answer is 7+4

2. the answer is 21-9.

3. the answer is 8-7.

Hope this helps, have a great day/night, and stay safe!

You might be interested in

A driver drove for 3 hours at a certain speed. If he drove 12 more miles at the same speed, the distance would be 132 miles. At

Zinaida [17]

Distance traveled in 3 hrs was (speed in mph)(3 hrs)

Then s(3 hrs) + 12 mi = 132 mi.

Therefore, 3s = 120, and s = 120 miles / 3 hrs = 40 mph (answer)

7 0

3 years ago

Sam is proving the product property of logarithms.

Charra [1.4K]

Answer: c

Step-by-step explanation: edge 2021

8 0

3 years ago

What is the volume of this square-based pyramid with a base length of 6 feet and a height of 10 feet?

bulgar [2K]

Answer:

60 or 90

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

There are 10 students in class and the number of siblings in their families are given by {1,1,1,1,2,3,3,4,4,4}. Consider the exp

Svetllana [295]

Answer:

a. Check the attached image

b. The Pr(Y > 2) = ½

c. The mean is 2.4

d. The standard deviation is: 2.72

e. The exact value is 1 because it is certain from the given data that any probability will fall within that range.

Step-by-step explanation:

a. An image showing the step by step solution is attached.

b. P(Y > 2) = P(3) + P(4)

= 2/10 + 3/10 = 5/10 = ½

c. The mean is 2.4

d. The standard deviation is: 2.72

e. Check the attached image for the steps.

7 0

3 years ago

PLS ANSWER QUICKLY WILL GIVE BRAINLIEST

lapo4ka [179]

Answer:

Point D

Step-by-step explanation:

Hope this helps :)

4 0

3 years ago

Read 2 more answers