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stich3 [128]
3 years ago
9

Expand and simplify (x+4)(x+8)

Mathematics
2 answers:
icang [17]3 years ago
6 0
(x+4)(x+8)
=x(x+8)+4(x+8)
=x^2+8x+4x+32
=x^2+12x+32
azamat3 years ago
3 0
4x*8x=32x

i think that's it, but math isn't my strong suit

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A scientist invents a car that can travel for many hours without stopping for fuel. The car travels around a track at 54 miles a
Alla [95]

Answer: 1,296 m iles

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:  

Distance = Speed rate x time

  • speed rate = 54 miles per hour
  • time = 24 hours

Replacing with the values given and solving for D (distance)

D = 54 mph x 24 h = 1,296 m

The car traveled 1,296 miles

Feel free to ask for more if needed or if you did not understand something.

3 0
3 years ago
What is the value of 12 (8 + 9)?<br> 105<br> 204<br> 357<br> 864
USPshnik [31]

Answer:

204

Step-by-step explanation:

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3 0
3 years ago
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Which of the following illustrates the truth value of the following conditional?
insens350 [35]

The truth table for implication of the equations is F F ⇒ T

<h3>What is a truth table?</h3>

A truth table is a mathematical logic table that shows the truth values of different logic statements combined by a given logic rule.

Analysis:

P: 7 +1 is not equal to 0 making P to be false(F)

q: 2+2  is not equal to 5 making q to be false(F)

so for conditional or implication, F F⇒ T

Learn more about truth tables: brainly.com/question/14458200

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4 0
2 years ago
Can anyone do this for me?! I don’t understand
gayaneshka [121]

Answer:

Step-by-step explanation:

Q no 4 :

4, 8

1, 5

3, 7

2, 6

Q no 5:

(a)

10x + 1 = 12x - 5

1+5= 12x - 10x

2x = 6

x = 6/2

x = 3

(b)

11x - 15 + 5x - 13 = 180 (angles on a straight line)

11x + 5x - 15 - 13  =180

16x - 27 = 180

16x = 180 + 27

16x = 207

x = 207 / 16

x = 12.9375

4 0
3 years ago
Brenna is buying 4.25 feet of ribbon for $1.95 a foot. She determines the product of the two numbers to determine the actual cos
Leya [2.2K]

Answer:

4.25 feet of ribbon cost around $ 8.29

Step-by-step explanation:

We are given the following information in the question:

Length of ribbon to be bought by Brenna = 4.25 feet

Cost of 1 foot of ribbon = $1.95

Total or actual cost of the ribbon =

\text{Total length of ribbon}\times \text{Cost per unit length of ribbon}

Cost of ribbon to be purchased by Brenna =

\text{Estimation of cost of ribbon:}

4.25\times 1.95 = 8.2875 \approx \$8.29

Thus, to find the actual cost Brenna should use the product of total length of ribbon to be bought and the unit cost of the ribbon.

Hence, 4.25 feet of ribbon cost around $ 8.29

3 0
3 years ago
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