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3 years ago

Will give brainliest if correct

Mathematics

1 answer:

Stella [2.4K]3 years ago

6 0

Answer:

SSS or D on edge

Step-by-step explanation:

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Factor completely 4u^2-28u+49

aleksandrvk [35]

Assignment: $\bold{Factor \ 4u^2-28u+49}$

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Answer: $\boxed{\bold{\left(2u-7\right)^2}}$

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Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Rewrite $\bold{4u^2-28u+49}$

$\bold{\left(2u\right)^2-2\cdot \:2u\cdot \:7+7^2}$

[ Step Two ] Apply perfect square formula

Note: Perfect Square Formula: $\bold{\left(a-b\right)^2=a^2-2ab+b^2}$

$\bold{a=2u,\:b=7}$

$\bold{\left(2u-7\right)^2}$

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$\bold{\rightarrow Rhythm \ Bot \leftarrow}$

6 0

3 years ago

1. The county fair charges $1.50 per ticket for the rides. Jermaine bought 20 tickets for the rides and spent a total of $48.75

MAVERICK [17]

Answer: Our variable be z for fair admission and our required linear equation will be

$\$1.50x+z=\$48.75$

Explanation:

Since we have given that

Cost per ticket for the rides =$1.50

Total amount she spent = $48.75

Let the total cost be y

Let the number of ride tickets be x

a) Define your variable:

Let the amount spent on fair admission be z

b) Write a linear equation that can be used to determine the cost for ride tickets and fair admission:

Our required equation will be

$\$1.50x+z=\$48.75$

Here, number of ride tickets = 20

So,

$20\times 1.50+z=48.75\\\\30+z=48.75\\\\z=48.75-30=18.75$

So, the cost for fair admission = $18.75

7 0

3 years ago

3. Which scenarios will have a quotient of 4/12?

Andreyy89

Answer:

Step-by-step explanation:

Divide it and you'll get 1 always

7 0

3 years ago

Find the distance between the pair of points. (0,0) and (-12,9)

pentagon [3]

Answer:

-12,9

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Amber and Austin were driving the same route from college to their home town. Amber left 2 hours before Austin. Amber drove at a

Delicious77 [7]

Answer:

7.5 hours

Step-by-step explanation:

1 method:

Amber drove at an average speed of 55 mph.

Austin averaged 75 mph per hour.

The difference in speed is 20 mph, this means that each hour Austin drove 20 miles more.

Amber drove 110 miles in 2 hours, then Austin needs 110:2=5.5 hours to catch Amber, so in total after 5.5+2=7.5 hours Austin will catch up Amber.

2 method:

Let t hours be the time Amber was driving, then t-2 hours ia Austin's time.

Amber distance = 55t miles

Austin's distance = 75(t-2) miles

When Austin caught up with Amber, their distances are the same:

$55t=75(t-2)\\ \\55t=75t-150\\ \\75t-55t=150\\ \\20t=150\\ \\t=7.5\ hours.$

8 0

3 years ago

Read 2 more answers