07/29/22

Need to know if my cc is on file and active so I can begin with tutoring.
Need to know if my cc is up to date so I can start tutoring.
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07/29/22

Trigonometry Math Full Solution Thinking Question
In Rectangle ABCD, ∠EFC = 90°, and CF bisects ∠DCE. AΔCDF : AΔFAE = 16 : 9. (Hint: similar triangles)a) Determine tan∠FEC.b) If CD = 8cm, Determine the area of rectangle ABCD.Diagram:
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07/29/22

Half life isotope
What is the half-life of an isotope if after 2.00 weeks you have 31.25 g remaining from a 250.0 g starting sample size?
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07/29/22

Geometry hot tub
The inner diameter of the circular hot tub is 160 cm and the inner depth is 95 cm. a) How many liters of water can the hot tub hold? (Right answer 1910 litres b) How much does the inner diameter... more
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07/27/22

Calculus questions
Verify each identity. a) (1−𝑐𝑜𝑠𝜃) / 𝑠𝑖𝑛𝜃=𝑐𝑠𝑐𝜃−𝑐𝑜𝑡𝜃b) (𝑠𝑒𝑐𝑡−𝑐𝑠𝑐𝑡) / (sect + csct) = tant-1 / (tant + 1)c) (𝑠𝑖𝑛𝜃 + cos𝜃) / (𝑠𝑖𝑛𝜃 – cos 𝜃) - (𝑠𝑖𝑛𝜃) / (cos𝜃) = 𝑠ec𝜃csc𝜃
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07/27/22

Exponential & Logarithmic Functions
Use the formula A=P (1+ r/n)nt to solve these compound interest problems. Round to the nearest tenth.Find how long it takes a $1200 investment to earn $200 interest if it is invested at 9%... more
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07/27/22

Evaluate composite functions with inverse trigonometric functions in the form f (f-1( x)) or f (g-1( x))
What is the exact value of cos−1(sina) where a=−13π/4 radians?
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07/27/22

Triangle Solve for Theta
Find the angle labeled 𝜃. (Round your answer to one decimal place.) Refer to image below𝜃 = 
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07/27/22

Area of Triangle
 Find the angle opposite the longest side. (Round your answer to one decimal place.)Find the area of the triangle. (Round your answer to one decimal place.)
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07/26/22

Understand inverse secant cosecant and cotangent functions
Evaluate the following expression. arccsc(-1)
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07/26/22

Word problem with down payment

. Ryan bought a 4-wheeler. He paid a $1,050 down payment and made 24 monthly payments. If the total cost of the 4-wheeler was $4,500, how much was each monthly payment?
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07/26/22

State the formula to find the length of a rectangle given the perimeter
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07/26/22

Pre cal question related to vectors
After taking off from the landing pad, a helicopter flies 8 miles north, then 5 miles southwest. How far is the helicopter from the landing pad (s), and in what direction (θ) must it fly to head... more
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07/25/22

Radian and Degree Measures
Find degree measures that correspond to radian measure of 4pi/3 and -1.4. Round answers to one decimal place).
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07/25/22

How long was each sprinkler used
The Thomas Family and the Chen Family each used their sprinklers last summer. The water output for the Thomas family’s sprinkler was 15L per hour. The water output rate for the Chen family’s... more
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07/25/22

Have your students in the past ever achieved perfect 800s on the SAT Math portion?
Yes, they have. Many of them started with SAT Math scores in around the 600s. With time, consistency, and my mentoring, they were able to achieve 800s or very close to an 800.
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07/25/22

complex number question
in an argand diagram the points a and b represent 1+7i and 4+3i respectively and o is the origin the quadrilateral oabc is a parallelogra find the complex numbler represented by point c
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07/24/22

use double angle formulas

find cos 2a using double angle identities given cos a=√-57/19 where pi/2<a<pi.I drew a triangle in the second quadrant, but cos2a has three formulas how can I tell which formula is suitable... more
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07/23/22

What is the most common reason for students failing be successful in school?
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07/23/22

The width of a rectangle is the length minus 1 units. The area of the rectangle is 72 units. What is the width, in units, of the rectangle?
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07/22/22

Use double-angle formulas to simplify trigonometric expressions
Considering only the values of β for which cos(2β)/cosβ is defined, cos(2β)/cosβ= ?
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07/22/22

Modeling with linear equations -Stuck whether this is starting correctly and where to go.
Number of rabbits in an area depends on the number of wolves as follows:Wolves Rabbits40 8000 44 700048 6000A) find a linear equation showing how the number of rabbits depends on the... more
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07/22/22

Is my answer correct? System of equations
Two lines have the equations:9x + 2y = 5x - 2y = -15At what (x,y) points will the line cross.My answer is y = 7 and x = -1Yes?
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07/22/22

SOLVE - Math 103
Four bacteria are placed in a petri dish. The population will triple every day. The formula for the number of bacteria in the dish on day t is N(t)=4(3)t,Where t is the number of days after the... more
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07/22/22

A bacteria culture initially contains 2000 bacteria and doubles every half hour.
Please help me find out what is the size of bacterial population after 5 hoursA bacteria culture initially contains 2000 bacteria and doubles every half hour. Find the size of the baterial... more
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