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2 years ago

The value of 4a( a - 3 ) is :

Mathematics

1 answer:

liubo4ka [24]2 years ago

3 0

Answer:

Its -12 if a is meant to be multiplied

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If 800g of a radioactive substance are present initially and 8 years later only 450g remain, how much of the substance will be p

artcher [175]

A=Pe^(rt)

P = 800g

t = 8 years

A = 450g

r = This is what we will try and find to start with

450=800e^(r*8)

After running the math through a calculator, we end with r = -0.07192

Now we just re-input this information into our equation: A=800e^(-0.07192*16)

A=800e^(1.15072)

Now we will re-write the equation using the negative exponent rule:

A = 800 1/e^1.15072

Combine right side:

A = 800/e^1.15072

Then do the math:

A = 253.12709836......

That will give us A = 253 (rounded to the whole number)

I hope this helps! :)

5 0

3 years ago

Does the point (3, 83) satisfy the equation y = x2 – 6x – -92?

bazaltina [42]

Plug in 83 for y and 3 for x
83 = 3^2 - 6 (3) + 92
83 = 9 - 18 + 92
83 = -9 + 92
83 = 83 so it works

6 0

2 years ago

Read 2 more answers

Match the information with the locations where the information belongs in a resume.

Zigmanuir [339]

Answer:

1. E

2. B

3. A

4. C

5. D

Step-by-step explanation:

C. objective

4. Graphic Designer specializing in Flash presentations

An objective outlines the position you are applying for therefore, Graphic Designer specializing in Flash presentations best fits with objective.

A. Skill Summary

3. Two years as district manager of two floral retail locations

The skill summary outlines the knowledge, skills, abilities and experience that you have accumulated over the time and therefore, Two years as district manager of two floral retail locations best fits with skill summary.

E. Awards and Activities

1. Volunteered with learning disabled children

Volunteered with learning disabled children best fits with Activities

B. education

2. Wilderness Emergency Medical Certification, 2002

Education outlines systematic professional degree or certificate program therefore, Wilderness Emergency Medical Certification, 2002 best fits with education.

D. work history

5. District Manager, Home Depot 2003-2005

Work history outlines your experience that you have gained throughout your professional career therefore, District Manager, Home Depot 2003-2005 best fits with work history.

6 0

3 years ago

(-5,-4), (8,8) what are the answers for these

Evgesh-ka [11]

Answer:

(-5, -4) is -9

Step-by-step explanation:

hope this helps

3 0

3 years ago

Line segment SU is a diameter of circle v

lyudmila [28]

Answer:

Step-by-step explanation:

Based on the figure given:Angle S is equal to 34 degrees.The triangle is inscribed in a circle, we can assume that the triangle is a right triangle. Thus, the measure of angle U is180 - 90 - 34 = 56 degrees. This is equivalent to the measure of the arc opposite the angle. Therefore, the measure of arc ST is also 56 degrees.

7 0

3 years ago

Read 2 more answers