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Rasek [7]
3 years ago
8

Select the best equation needed to solve for x; then solve for x.

Mathematics
2 answers:
Alexandra [31]3 years ago
5 0
The answer is c. The answer is c because x=27
5*27+12=147
charle [14.2K]3 years ago
5 0
It is definitely c beacause if you take it step by step through the process that is what you get
You might be interested in
Solve |x - 1|>4 a. {x|x< -5 or x> 5} b. {x|-3< x< 5} c. {x|x< -3 or x> 5}
Karo-lina-s [1.5K]
|x - 1| > 4 ⇔ x - 1 > 4 or x - 1 < -4  |add 1 to both sides

x > 5 or x < -3

Answer: c. {x| x < -3 or x > 5}.
5 0
3 years ago
One of your friends lives 225 km away. It took him 2.5 hours to travel to the cottage. At what speed did he travel?
Dahasolnce [82]
Speed = distance / time

given:
distance = 225 km and time = 2.5 hours

so
speed = 225 / 2.5 = 90 km per hour

Answer:
Speed = 90 km per hour
8 0
3 years ago
Find the area of ABC
shutvik [7]

Answer:

24 ft sq.

Step-by-step explanation:

formula for area of triangle is: bh/2

8(6)/2 = area

48/2 = area

24 = area

6 0
3 years ago
How do you find x? and how do you round to the nearest tenth?
expeople1 [14]

Hey there!

In order to solve this problem, we can use the Pythagorean Theorem, which is c^2 = a^2 + b^2. Since the Pythagorean Theorem would find only half of the length of x, we'll need to double it in the end.

First, let's plug in what we know to the Pythagorean Theorem: 2.1^2 = 1.4^2 + b^2

Next, we'll simplify to that b^2 is by itself:

b^2 = 2.45

Then, we'll find the square root of 2.45, multiply that by 2 and round to the nearest tenth:

2(\sqrt{2.45} ) = 3.1

Therefore, x = 3.1 ft.


How to round to the nearest tenth:

In a decimal, the tenth is the first number after the decimal point. To round to the tenth, if the number in the hundredth place is less than 5, you keep the number as it is, but if the number in the hundredth place is more than 5, you increase the number in the tenth place by 1.


Hope this helps!! :)

6 0
3 years ago
Can someone please help me with this question?
Genrish500 [490]
It’s numberrrrr 333333333333333
4 0
3 years ago
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