Work out an estimate for square root of 4.92 +2.18 x 7.31

Mathematics

1 answer:

user100 [1]1 year ago

5 0

Answer:

4.5.

Step-by-step explanation:

4.92 +2.18 x 7.31

= approximately 5 + 2 * 7.5

= 20

Now 4.5 * 4.5 = 20.25 so:

The estimate for the square root is 4.5.

You might be interested in

Kevin buys a leather jacket listed for $190. He receives a 15% discount at the register. What is the new price of the leather ja

QveST [7]

Take $190 and multiply it by 0.15 (28.5) and subtract that from $190= $161.50

3 0

2 years ago

Read 2 more answers

Two people start walking at the same time in the same direction. One person walks at 8 mph and the other person walks at 2 mph.

schepotkina [342]

Time = distance/speed

The distance between the walkers increases at the rate of (8 mph) -(2 mph) = 6 mph. That distance will be 4.5 mi after ...
(4.5 mi)/(6 mi/h) = 4.5/6 h = 3/4 h

In 3/4 hour they will be 4.5 miles apart.

7 0

2 years ago

Part 1: Graph piecewise functions from tables and equations. Isabel sells new and used mystery novels online. Her customers are

Charra [1.4K]

A) How much would it cost to ship a package weighing 3.2 pounds? Explain how you arrived at your answer.
Answer:
Shipping cost of 3.2 package is $4.13.
We can't use the cost assigned to 3 lbs because the package is over 3 lbs but it is not over 4 lbs so we use the cost of 4lbs. (check the attachment for price)

b)What type of graph is needed to represent the Media Mail shipping prices as a function of the weight of the books shipped? Explain your thinking.
Answer:
Line graph is needed to represent the Media Mail shipping prices as a function of the weight of the books shipped.
In line graph, x values represent the weight in pounds and the y values represent the cost.

c)Graph the Media Mail shipping prices as a function of the weight of the books shipped.
Answer;
When we graph the Media Mail shipping prices as a function of the weight of the books shipped, it will be;

f(x) = 2.69 + 0.48(x-1)