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Kobotan [32]
3 years ago
7

What is the approximate value of b, rounded to the nearest tenth?

Mathematics
1 answer:
Reptile [31]3 years ago
6 0
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How can we check the binomial factors to verify that they are truly factors? Are the factors (x + 5)(x – 8) truly factors of x2
gladu [14]
They are not. The easiest way to tell this is by multiplying the last number of each parenthesis together. This should always result in the last number in the equation. However, -8*5 does not equal -30, so these are not the true factors. 
7 0
3 years ago
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What is the equation 2/3a - 1/6= 1/3
Rashid [163]

Answer:

a=\frac{3}{4}

Step-by-step explanation:

I can't do the step-by-step explanation because my device is currently dying, But I am sure that a=\frac{3}{4} is the correct answer.

5 0
3 years ago
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How am I supposed to do this? I WILL GIVE BRAINLEST!
jolli1 [7]

Answer:

  • D. 28.

Step-by-step explanation:

<u>Students with 1 to 3 pairs of shoes:</u>

  • About 32. Just say 32.

<u>Students with 13 - 15 pairs of shoes:</u>

  • 4. Just say 4.

<u>Solve 32 - 4:</u>

  • 32 - 4
  • = 28.
<h2>28 is your answer.</h2>
5 0
2 years ago
Ellis makes some biscuits. For every 200g of flour he uses, he needs 75g of butter
MrRa [10]

Answer:

a) 8:3, b) no formula is there, c) 30

Step-by-step explanation:

because 200/75=8:3

because there formula being obtained

because 300/24=12.5

375/12.5=30

5 0
3 years ago
what interest rate is needed to turn $2500 into $15,000 in 14 years if interest is compounded weekly?
Anastasy [175]

Answer:

0.6845% per week.

Step-by-step explanation:

Simple Interest Calculation A = P(1 + rt)

Solving our equation:

r = (1/730.5)((15000/2500) - 1) = 0.00684463

r = 0.00684463

Converting r decimal to R a percentage

R = 0.00684463 * 100 = 0.6845%/week

Calculating the annual rate

0.6845%/week × 52 weeks/year = 35.594%/year.

The interest rate required to get a total amount, principal plus interest, of $15,000.00 from simple interest on a principal of $2,500.00 over 14.05 years (730.5 weeks) is 0.6845% per week.

7 0
3 years ago
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