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n200080 [17]
3 years ago
11

Pls solve this 15 points

Mathematics
1 answer:
anygoal [31]3 years ago
3 0

Answer:

128

Step-by-step explanation:

1/3base area×height

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Solve for x (x+4)/3 = 2.<br><br>a. x = -2<br><br>b. x=2<br><br>c. x = 2/3<br><br>d. x= -10/3​
Ronch [10]

Answer:

<h2>The answer is option B</h2>

Step-by-step explanation:

\frac{x + 4}{3}  = 2

To solve it first of all cross multiply

That's

x + 4 = 6

Move 4 to the right side of the equation

The sign changes to negative

That's

x = 6 - 4

We have the final answer as

<h3>x = 2</h3>

Hope this helps you

8 0
3 years ago
Fwam answered 142 questions correctly on his multiple choice science final that had
Ipatiy [6.2K]

Answer:

71%

Step-by-step explanation:

Percentage Chart

X is what percent of 200?142 is71% of 200143.26 is71.63% of 200144.64 is72.32% of 200146.02 is73.01% of 200

8 0
2 years ago
The perimeter of a right triangle is 30 feet and the area is 30 square feet. If the lengths of the sides of the triangle are eac
liq [111]

Answer:

300

Step-by-step explanation:

a triangle has 3 sides and so perimeter is just adding all the sides together so the perimeter is 30 that means each side is ten so multiply those all by ten as it says and then they are all 100. add them to get 300, hope this helps :)

5 0
3 years ago
Andrea can rollerblade faster than most skateboarders, she can go 250 feet in 10 seconds. At this rate, how many miles can she r
blsea [12.9K]

Answer:

She can ride 17.045 Miles in one hour.

Step-by-step explanation:

(250 feet/10 seconds) x (1 mile/5280 feet) x (60 seconds/ 1 minute)  x (60 minutes/ 1 hour) = 17.045 Miles per hour

3 0
3 years ago
Review the proof of de Moivre’s theorem.
RideAnS [48]

Answer:

D

Step-by-step explanation:

Just took it.

5 0
3 years ago
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