Mark M.

06/26/21

Can you solve the following word problem?

Suppose a certain type of bacteria increases its population according to the law of exponential growth. There were 120 bacteria on the third day of observation, and 600 bacteria on the fifth day.... more

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Math Prealgebra Precalculus

06/26/21

Maricopa's Success scholarship fund receives a gift of $140000.

Maricopa's Success scholarship fund receives a gift of $140000. The money is invested in stocks, bonds, and CDs. CDs pay 4.5 % interest, bonds pay 5.5 % interest, and stocks pay 10 % interest.... more

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Math Prealgebra

06/25/21

April has 23 coins in her pocket, all of which are dimes and quarters.

April has 23 coins in her pocket, all of which are dimes and quarters. If the total value of her change is $4.55, how many dimes and how many quarters does she have?Number of dimes that April has... more

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Precalculus

06/25/21

What would f(x) =

The graph of quadratic function f(x) has vertex at (4, 0) and passes through the point (6, - 12) Find a formula for f(x) .

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Precalculus Trigonometry

06/24/21

Trigonometry question

Elli decided to ski to a friends cabin. She skied 10km in the direction N40°E. She rested, then skied S45°E and arrived at the cabin. The cabin is 14.5km from her home, determine the distance she... more

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Precalculus Trigonometry

06/24/21

Trigonometry question

A surveyor in an airplane is flying towards a lake. She observes that the angles of depression to the near side of the lake and the far side of the lake are 45° and 32° respectively. At that... more

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Algebra 1

06/24/21

a line that includes the point (8,5) has a slope of 0. what is its equation in slope-intercept form?

Write your answer using integers, proper fractions, and improper fractions in simplest form.

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Math Geometry

06/23/21

Write the equation of a line parallel to y = -2x +4 that goes through (-3,9)

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Math Algebra 2

06/23/21

Draw a graph of the line that contains the point (2, —4) and has a slope of -3/5. Find the equation of the line

Thank you. I did the graph but having trouble with finding the equation of the line

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Sat Math

06/23/21

How and why do you do this

Ok so, I'm doing Khan Academy and I got stuck on this question. -x/3.5 + y/12.5 = 1 On the khan, it just put 12.5 on top of the -x/3.5 and it makes it -12.5/3.5 x. I just understand why and how... more

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Math Algebra 2 Algebra

06/22/21

Algebra 2 plz help me solve

(x+1over3)2=8

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Trigonometry

06/22/21

A tree that is 3m tall casts a shadow that is 2m long. At the same time, a nearby building casts a shadow that is 25 m long. How tall is the building?

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Math Algebra 2 Algebra

06/22/21

Algebra 2 plz help

solve (x-2)2 =9

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Geometry

06/22/21

geometry find the area of a regular heptagon , 7 sides , the length of each side is given , which is 8 and they also give a radius which is 12.5, find the area

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Precalculus

06/22/21

A rectangular box has volume 15 ln^ 3 . If the the box has length 9 in and height 9 in ,determine the width of the box.

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Math Calculus

06/21/21

EXPLAIN IN WORDS:

Explain in words how to calculate the surface area for the following pyramid if base^2 = 81 cm and height = 11 cm.Include all calculations in your explanation to 2 decimal places.

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Math Algebra 1 Calculus

06/21/21

Assuming that there are no empty spaces between the gumballs, how many gumballs are needed to completely fill the glass jar?

Clyde wants to fill a glass jar with gumballs. The glass jar is the shape of a cylinder with height 10cm and radius 6cm. The gumballs are spheres of identical size Each gumball has a surface area... more

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Math Sat Math

06/21/21

If he is able to fill bottles at a rate of 175cm^3/min, how long will it take for him to fill 5 perfume bottles?

George is creating a new perfume. The perfume is in the shape of a pentagonal prism with a base area of 15.48cm^2 and height of 10cm. George will be filling each perfume bottle by hand. If he is... more

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Math Calculus Functions

06/21/21

Hyperbolic functions

Below is a value of hyperbolic sine x. Use the definitions for hyperbolic functions and the identity hyperbolic cosine squared x - hyperbolic sine squared x = 1 (cosh^2 x - sinh^2 x = 1) to find... more

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Algebra 2

06/20/21