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prohojiy [21]
3 years ago
8

How do I expand mx(ab-b) by using the distributive property?

Mathematics
2 answers:
stellarik [79]3 years ago
5 0
Just like the first comment below... you just basically distribute it like a normal problem, but for this problem instead you would have to normal distribute it but with variables, like mx to ab and then mx to -b. you'll get mxab-mxb
kap26 [50]3 years ago
4 0
Mx(ab-b) without distributive property
mxab-mxb with distributive property
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Here is a diagram that represents the pints of red and yellow paint in a mixture.
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Answer:

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5

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3 years ago
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A train goes from springfield, MA, to boston at 40 mph. On the way back, it returns with a speed 80 mph. If it takes an hour les
alina1380 [7]

The average speed for the entire journey will be 53.333 miles per hour.

<h3>What is the average speed?</h3>

The average speed is the ratio of the total distance traveled to the total time taken by the body. Its unit is m/sec.

The distance from the Springfield, MA, to Boston is, L

v₁ is the velocity during traveling from Boston to Springfield, MA

v₂ is the  velocity during traveling from Springfield, MA to Boston

t₁ is the time needed to travel from Boston to Springfield, MA

t₂ is the time needed to travel from Springfield, MA to Boston

t is the total time period of the journey

v is the average speed

From the formula of distance;

Distance = speed × time

The speed of train for the going from Springfield, MA, to Boston is 40 mph. The time period is calculated as;

L = v₁ × t₁

t₁ = L/v₁

t₁ = L/40

The speed of train for the going from Boston to Springfield, MA, is 80 mph. The time period is calculated as;

L = v₂ × t₂

t₂ = L/v₂

t₂ = L/80

The total time is taken;

t = t₁ + t₂

t =  (L/40)+( L/80)

t=3L/80

The ratio of total distance traveled to the total time spent by the body is known as average speed, calculated as;

Average speed = Total distance / Total time

v = 2L / (3L/80)

v= (2L × 80)/3L

v = 160 / 3

v = 53.333 miles per hour.

Hence the average speed for the entire journey will be 53.333 miles per hour.

To learn more about the average speed, refer to the link;

brainly.com/question/12322912

#SPJ1

4 0
1 year ago
For every 10 students there needs to be 1 chaperone during the trip to the 5 museum. Which of the following ratios does not repr
kipiarov [429]
1:10 does not represent the students to chaperone ratio because for every 10 students, there must be one chaperone.
6 0
3 years ago
If cos8x = 13/36 find the value of cos4x.​
Elina [12.6K]

The value of cos 4x from the given identity is 0.999

<h3>Trigonometry identity</h3>

Given the cosine identity

cos8x = 13/36

Determine the value of x

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8x = 0.36111

x = 0.36111/8
x = 0.04514

Determine the value of cos4x

cos4x = cos4(0.04514)

cos4(0.04514) = 0.999

Hence the value of cos 4x from the given identity is 0.999

Learn more trig identity here; brainly.com/question/7331447

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2 years ago
Will give brainliest
fiasKO [112]

Answer:

either 40 or 140

Step-by-step explanation:

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