$MathMaster logo$

MathMaster

Question

4x567

117

likes

586 views

Answer to a math question 4x567

$Expert avatar$

4.5

105 Answers

$4\left( 500+60+7 \right)$

$4 \times 500+4 \times 60+4 \times 7$

$2000+4 \times 60+4 \times 7$

$2000+240+4 \times 7$

$2000+240+28$

$2268$

Frequently asked questions (FAQs)

What is the solution to the inequality: 4x - 3 > 9?

+

Math Question: What is the derivative of the function f(x) = ln(x) + √(x^2 + 1) with respect to x?

+

What are the characteristics of an ellipse with a major axis of 10 units, a minor axis of 6 units, and a center at (2, 3)?

+

New questions in Mathematics

Hey👋🏻 Tap "Create New Task" to send your math problem. One of our experts will start working on it right away!

A college believes that 22% of applicants to that school have parents who have remarried. How large a sample is needed to estimate the true proportion of students who have parents who have remarried to within 5 percentage points?

90 divided by 40

STUDENTS IN A CLASS LEARN ONLY ONE FOREIGN LANGUAGE. two-sevenths of the students learn German, half of the students learn Spanish, and the remaining six students learn Italian. what is the number of students in this class? detail your reasoning carefully.

Find the sum of the first 41 terms of the progression that begins: 32, 24, 16, …

If the midpoint of point A on the x=3 line and point B on the y=-2 line is C(-2,0), what is the sum of the ordinate of point A and the abscissa of point B?

A merchant can sell 20 electric shavers a day at a price of 25 each, but he can sell 30 if he sets a price of 20 for each electric shaver. Determine the demand equation, assuming it is linear. Consider (P= price, X= quantity demanded)

There were no defectives in a sample of 1 light bulb does this sample provide sufficient evidence that in the warehouse with millions of light bulbs fewer than 10% are defective?

Suppose that you use 4.29 g of Iron in the chemical reaction: 2Fe(s) + 3 Cu2 + (aq) 2Fe 3 + (aq) + 3Cu(s ) - . What is the theoretical yield of Cu (s), in grams?

Determine the reduced form of the slope equation equal to 2

Calculate the difference between 407 and 27

Let x be an integer. Prove that x^2 is even if and only if is divisible by 4.

9/14 x 7/27 carry out indicated operation

In a 24 hours period, the average number of boats arriving at a port is 10. Assuming that boats arrive at a random rate that is the same for all subintervals of equal length (i.e. the probability of a boat arriving during a 1 hour period the same for every 1 hour period no matter what). Calculate the probability that more than 1 boat will arrive during a 1 hour period. (P(X>1) ) Give your answers to 4 decimal places and in a range between 0 and 1

Nancy is a waitress at Seventh Heaven Hamburgers. She wants to estimate the average amount each table leaves for a tip. A random sample of 5 groups was taken and the amount they left for a tip (in dollars) is listed below: $11.00 $8.00 $6.00 $3.00 $7.00 a.) Find a 90% confidence interval for the average amount left by all groups. (*round to the nearest cent*) $ < μ < $ b.) If the sample size were larger, with everything else remaining the same, would the margin of Error increase or decrease? Decrease Increase c.) If the Confidence level were 95% instead of 90%, would the range (size) of the Confidence Interval be larger or smaller? Larger Smaller

1. A jeweler has two gold bars, with 80% purity and the other with 95% purity. How much of each must be melted to obtain a 5 kilo ingot with 86% purity?

Consider mixing 150 ml, 0.1M, HCI with 100 ml, 0.2M, KOH solution. Determine the pH of final solution.

Find I (Intrest) using simple interest formula of 17700 @ 15% for 4 years

(3.1x10^3g^2)/(4.56x10^2g)