Recent questions in Mathematics

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The number of calories in a cheeseburger is normally distributed with a mean of 500 and a standard deviation of 100. We take a random sample of 10 cheeseburgers. Formulate the question in an open-ended

Depi asked Dec 28, 2024

by Depi

8.6k points

1 answer

4 votes

235k views

Evaluate the following 4/7Ã—280â€‹

Bitta asked Dec 28, 2024

by Bitta

8.7k points

1 answer

4 votes

122k views

Solve for x in the quadratic equation 10x^2 - 27x + 5 = 0.

Chetan Gupta asked Dec 28, 2024

by Chetan Gupta

8.2k points

1 answer

1 vote

102k views

PLEASE HELP ASAP using descartes rule of signs H(x)=4x^4-5x^3+2x^2-x+5

Ring Bearer asked Dec 28, 2024

by Ring Bearer

7.7k points

1 answer

0 votes

4.2k views

Can anyone explain standard deviations? What it is, what it's used for, ... I need to answer this: How can standard deviations and means help you to describe the results of a simulation? What are the important

Alexander Lubyagin asked Dec 28, 2024

by Alexander Lubyagin

8.3k points

1 answer

4 votes

199k views

What number comes next in the following sequence: 1, 4, 9, 16, 25, ...?

Helmut Emmelmann asked Dec 28, 2024

by Helmut Emmelmann

8.0k points

1 answer

0 votes

132k views

At the beginning of an experiment, a scientist has 140 grams of radioactive goo. After 240 minutes, her sample has decayed to 17.5 grams. What is the half-life of the goo in minutes? Find a formula for

Pabrams asked Dec 28, 2024

by Pabrams

8.8k points

2 answers

3 votes

209k views

Simplify. 7/3+3(2/3−1/3)*2 Enter your answer in the box.

Nitha Paul asked Dec 28, 2024

by Nitha Paul

8.2k points

1 answer

1 vote

118k views

What is the arc length of an arc with a central angle of 120° in a circle with a radius of 12cm? a) 4.71 cm b) 9.42 cm c) 12.57 cm d) 15.70 cm

MERM asked Dec 28, 2024

by MERM

9.3k points

1 answer

4 votes

6.0k views

Devin says that since the diagonals of kite intersect at right angles,the small right triangles are similar to both the left half and the right half of the kite.is he correct ? Explain

Ustulation asked Dec 28, 2024

by Ustulation

7.9k points

1 answer

3 votes

196k views

Is there an integer value of x that satisfies the inequality 6 ≤ 2x + 10 < 16?

Andrewk asked Dec 28, 2024

by Andrewk

7.8k points

1 answer

2 votes

191k views

PLS HELP ME FAST!!! Write an expression for the sequence of operations described below. Subtract 5 from 7, then divide 3 by the result.Type x if you want to use a multiplication sign. Type / if you want

Dwarbi asked Dec 28, 2024

by Dwarbi

7.8k points

1 answer

4 votes

142k views

Hello! I just need help with how to work this problem out

Sebastian Annies asked Dec 28, 2024

by Sebastian Annies

7.9k points

2 answers

0 votes

59.7k views

Shelly has $5.55 in Nichols dimes and quarters in her piggy bank. There are 44 coins altogether with three more quarters and dimes. How many of each type of coin does she have? a) 18 quarters, 29 dimes

KaliCharan asked Dec 28, 2024

by KaliCharan

8.3k points

1 answer

3 votes

233k views

"Quadrilateral JKLM is a rhombus. The diagonals intersect at N. If angle KNJ equals 8x + 6, find the value of x."

Ryohei asked Dec 28, 2024

by Ryohei

8.3k points

1 answer

4 votes

81.8k views

The Fernando family spends $800 per month on rent. If this is 15% of their monthly budget, then what is their monthly budget? 1 point

Miljac asked Dec 28, 2024

by Miljac

7.8k points

1 answer

1 vote

134k views

How many pounds of dog food that is half rice must be mixed with 400 pounds of dogfood that is four fifths rice in order to make a dog food that is three quarters rice?

Vytaux asked Dec 28, 2024

by Vytaux

8.2k points

1 answer

3 votes

54.7k views

Find and ˚le the Least Common Multiple of 3, 4, and 6 by listing nonzero multiples of each number. a. 3 b. 6 c. 12 d. 24

Cinder asked Dec 28, 2024

by Cinder

8.8k points

1 answer

0 votes

54.8k views

Find the pH of the equivalence point and the volume (ml) of 0.0826 M KOH needed to reach the equivalence point in the titration of 23.4 ml of 0.0390 M HNO₂.

Annalisa asked Dec 28, 2024

by Annalisa

9.0k points

1 answer

1 vote

164k views

Is 3(-7x-13 and -21x-13 equivalent?

Gregory Nozik asked Dec 28, 2024

by Gregory Nozik

8.7k points

2 answers

3 votes

947 views

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