6,938 Answered Questions for the topic mathematics

Mathematics Math Algebra 1 Algebra 2

05/01/21

I need Help please explain what I'm suppose to do.

A triangle has a base of 6 units and a height of 12 units. what is the area of the triangle ? question : how am just multiplying 6x12 ???? if not can you explain what to do.
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Mathematics Math Algebra 1 Algebra 2

05/01/21

I need help! good explanation needed

i put B but stated i was incorrect so can someone help me
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Mathematics Math Algebra 1 Algebra 2

05/01/21

i need help! explain how im suppose to answer this questin

KY.6.G.2 *1 point
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Mathematics Math Algebra 1 Algebra 2

05/01/21

Counting Techniques Question
The Math Club has 15 members. How many ways can Pres., Vice-Pres. and Secretary be chosen?Please explain, I don't understand this question.
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Mathematics Math Algebra 1 Algebra 2

05/01/21

Counting Techniques Question
How many seven-digit telephone numbers can be made if the first three digits must be differentand the number cannot start with “0”?I'm having some trouble with this question, can someone please... more
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Mathematics Math Algebra 1 Algebra 2

05/01/21

Counting Techniques Question
How many seven-digit telephone numbers can be made if the first three digits must be differentand the number cannot start with “0”?Please explain + steps, thank you.
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Mathematics Math Algebra 1 Algebra 2

05/01/21

1.construct a tree diagram to illustrate the possible contents of a sandwich made...
Construct a tree diagram to illustrate the possible contents of a sandwich made from white or brown bread, ham, ham, chicken, or beef, and mustard or mayonnaise. How many different sandwiches are... more
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Mathematics Math Algebra 1 Algebra 2

05/01/21

You need to make a new six digit password using any letter or number.
a) How many different options could you have if you’re allowed to repeat a letter ornumber?b) How many different options could you have if you aren’t allowed to repeat a letter ornumber?I'm very... more
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Mathematics Math Algebra 1 Algebra 2

05/01/21

A class has 28 students. Four students will be chosen to work at the school dance.
1.A class has 28 students. Four students will be chosen to work at the school dance. One willbe a DJ, one at the food table, one at the door, and one taking photos.In how many ways could 4 of them... more
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Mathematics Math Science Chemistry

05/01/21

Calculate energy in joules required to move an electron from its ground state to an excited state
Calculate the energy in joules required to move an electron from its ground state (level 1) to an excited state of n=[2].
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Mathematics Math Science Physics

05/01/21

HELP!!! What is the index of refraction of the unknown medium?
When moving from an unknown medium into air, light is internally reflected at any incident angle larger than 24 degrees. What is the index of refraction of the unknown medium?
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Mathematics

05/01/21

Complete each equation with a number so that the equation has the stated solution(s). a) x^2+7=x^2+_____; no solution b) x^2+7=x^2+_____; all real numbers c) x^2+7=_____; x=±3
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Mathematics Math Geometry

04/30/21

Find the area of a regular triangle polygon using special right triangles
I need to find the area (and side) of a regular polygon triangle. I've been given the apothem, so I know that A=24, and N=3 using the 1/2 SAN method (which is what we learned). I've gotten to the... more
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Mathematics Math Probability

04/30/21

Rounded to the two decimals, determine P(Sophomore | Off-Campus).
Imagine a diagram. In the left circle its labeled 0.22 for sophomores. In the right circle its labeled 0.10 for off-campus. In the middle circle its labeled 0.06
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Mathematics Math Probability

04/30/21

In a deck of 52 Cards, rounded to the two decimals, find the probability that a Black Card is a Face Card (a king, queen, or jack)
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Mathematics Math Probability

04/30/21

To the nearest two decimals, what is the probability of Renal Disease given Negative Test Results
truth positive negative total--------------------------------------------------------------------------------renal disease 44 23 ... more
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Mathematics Math Probability

04/30/21

An eight-sided die is tossed: S={1,2,3,4,5,6,7,8}. Rounded to the two decimals, find P(Odd | Greater than and equal to 2)
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Mathematics Math

04/30/21

A $60 sweater is on sale for 25% off. There is an additional 10% discount off the sale price if you sign up for a credit card. What is the sale price of the sweater if you sign up for a credit card?
A. $19.50B. $39C. $40.50D. $21Please show work!!
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Mathematics Math Geometry Sat Math

04/30/21

3D ratio math help needed.
There are three cuboids, A, B and C, the length of A is (1/2) the length of B, and (1/3) the length of C, the width of of A is (2/3) the width of B and (3/2) the width of C and the height of A is... more
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04/30/21

Find the new quadratic form?
Classify the quadratic form below. Then make a change of​ variable, x=Py​, that transforms the quadratic form into one with no​ cross-product terms. Write the new quadratic... more
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04/30/21

Find the new quadratic form
Classify the quadratic form below. Then make a change of​ variable, x=Py, that transforms the quadratic form into one with no​ cross-product term. Write the new quadratic form.2x21 + 8x1x2+2x22What... more
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04/30/21

Calculus, Applications of Integration
How would you find the volume of the solid of revolution formed when the curve 𝑦=(√sin𝑥) between 𝑥=0 and 𝑥=𝜋 is revolved about the 𝑥-axis?
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Mathematics Math Algebra 1 Algebra 2

04/29/21

good explanation need help needed

Which shape is represented by the net? What is the surface area and volume?
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Mathematics

04/29/21

Use the situation below to fill in each blank:
A salesperson is paid $60 per week plus $4.50 per sale. THIS WEEK, the salesperson wants to earn more than $240. How many sales must the salesperson make in order to meet that goal?Translated... more
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Mathematics Math Maths

04/29/21

Monica and Michael

Monica and Michael both want to buy a scooter. Monica has already saved $25 and plans to save $5 per week until she can buy the scooter. Michael has $16 and plans to save $8 per week. In How many... more
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