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weqwewe [10]
3 years ago
5

SOMEONE PLEASE HELP WITH THESE QUESTIONS!! I don’t mind which one(s) you do I just need as much help as I can get thank you !!

Mathematics
1 answer:
o-na [289]3 years ago
5 0

1. Use the FOIL (first, outside, inside, last) method:

F: x*x=x^2

O: x*-2=-2x

I: 3*x=3x

L: 3*-2=-6

x^2-2x+3x-6

<em>*Combine like terms*</em>

x^2+x-6

2. Look for the greatest common factor (GCF) of 15 and 5.  It is 5 (15/5=3 and 5/5=1)

5(3x+1)

3. You want to find two numbers whose product is 6 and whose sum is -5.  -3 and -2 complete these requirements.

(x-3)(x-2)

4. Solve for x:

<em>*Add x to both sides*</em>

y+x=ab

<em>*Subtract y from both sides*</em>

x=ab-y

8. Plug in 0.5 for x and solve:

10-8(0.5)

10-4

6

10. <em>*Multiply both sides by 5*</em>

2x-3=20

<em>*Add 3 to both sides*</em>

2x=23

<em>*Divide both sides by 2*</em>

x=23/2

I did what I could.  Hope I could help!!

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PLEASE HELP ME!!
Step2247 [10]

Answer:

A = $10,441.68

A = P + I where

P (principal) = $10,400.00

I (interest) = $41.68

Step-by-step explanation:

First, convert R as a percent to r as a decimal

r = R/100

r = 0.02/100

r = 0.0002 rate per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 10,400.00(1 + 0.0002/2)(2)(20)

A = 10,400.00(1 + 0.0001)(40)

A = $10,441.68

Summary:

The total amount accrued, principal plus interest, with compound interest on a principal of $10,400.00 at a rate of 0.02% per year compounded 2 times per year over 20 years is $10,441.68.

8 0
2 years ago
What percent is equivalent to 4/25. Thanks
Yanka [14]
Let x be the precent
24 * x = 4
x = 4/24
x = 1/6
=1/6 * 100% = 16.67%
5 0
3 years ago
Read 2 more answers
Subtract and simplify: 4y/y^2-10y+21-1/y-3
Eva8 [605]
OK...... your answer would be

- 10y^2 - 26y + 1/y
H0P3 It H3LPS :)
3 0
3 years ago
A plane can fly 7 miles per minute. The plane will fly 8 trips, and each trip is 810 miles. How many hours will the plane fly? S
ELEN [110]

7*60 = 420

 810/420 = 1.9285

93- 100 = 53-60

subtract 40 from 93. 

1.53*8 = 12.24

Answer: 12 hours and 24 Minutes

If this helps give a brainliest :)

4 0
3 years ago
Find the area of the following shape. You must show all work to receive credit
kirza4 [7]

Answer:

42 square units

Step-by-step explanation:

Draw segments - 5 to A, A to the point of intersection of Band C and from from the point of intersection of B, C upto 2. It will form a square with each side 8 units and four triangles.

Subtracting the area of 4 four triangles from the area of the square will give you the area of the required shape.

Area of the shape

=  {8}^{2}  -  \frac{1}{2}  \times 3 \times 6 - \frac{1}{2}  \times 5 \times 2 - \frac{1}{2}  \times 2 \times 3\\ - \frac{1}{2}  \times 2 \times 5 \\  \\  = 64 - 3 \times 3 - 5 \times 1  - 1\times 3 - 1 \times 5 \\  \\  = 64 - 9 - 5  - 3 - 5 \\  \\  = 64 - 22 \\  = 42 \:  {units}^{2}

3 0
3 years ago
Read 2 more answers
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