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Mariana [72]
3 years ago
7

Pls translate the verbal phrase into an algebraic expression

Mathematics
1 answer:
velikii [3]3 years ago
5 0
3x + 15< = 7 (that’s a less than or equal to sign)
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I need help on whichever question anyone might know how to do . QUICK
DiKsa [7]
9-7= 2 and ±2-±8=6 here are the answers to one of the questions you need help whith
8 0
3 years ago
Brian gave 1/4 of his stickers to Pete and 20 stickers to Lily. He then had 1/3 of his stickers left. How many stickers did he h
Oduvanchick [21]
Find a common denominator first.
P3/12. + 5/12
4/12 left

48 stickers
8 0
3 years ago
The sum of two numbers is 25. one number is twice the second number plus seven. what are the two numbers
mihalych1998 [28]
<span>Let x be the second number.
Let 2x+7 be the first number.

x+2x+7=25
3x+7=25

3x=25-7
3x=18
x=18/3
x=6
2x+7=19 
The two numbers are 19 and 6.</span>
3 0
3 years ago
Will give brainliest, please help
Rus_ich [418]

Answer:

C

Step-by-step explanation:

A triangle always consists of it being 180 degrees. The box on the triangle on angle A depicts that it is a right angle, 90 degrees. And since Angle B is given at 45, angle C must be 45 degrees as well, since 180-45-90 (triangle angles=given angles for A and B) equal up to 45. When the angles beside the right angle is both identical and the same, the sides that correspond with that triangle is also the same. AC is given at 9 feet, and since Angle C and B both have the same angles, AB must ALSO be a 9ft.

Now, since we know the two sides, it is very easy to find BC, or the hypotenuse of the triangle, using the Pythagorean Theorem: a^{2} +b^{2} =c^{2}, where a and b are sides, and c is the hypotenuse (or the long end) of a right triangle.

We can plug both 9s in for a and b since they're both the same, and it should equal to

9^2+9^2=c^2.

9^2 is 9*9, and that is 81. We have two of these so add them together to find 162. Since c^2 is equal to 162, we would need to square root both sides so we can find a number that equals c.

\sqrt{162} =c

We can either plug this into a calculator, and we should get something around 12.72, and that would be the same as C if you plug that value into a calculator.

You can also simplify the radical if you know how to. 162 is 81 times 2 (example) and 81 is 9*9, so we can add that to the outside and 2 is still under the radical. But this would only make sense if you know how to do that.

6 0
3 years ago
Don,Eric, and Finn line up in random order for the cafeteria line. What is the probability that they will line up from front to
Vanyuwa [196]

Answer:

  1/6

Step-by-step explanation:

The number of ways they can line up is 3×2×1 = 6. Only one of these is alphabetical order. The probability that they will line up randomly in alphabetical order is 1/6.

__

Any of the three can line up first; either of the remaining two can line up second, and the remaining person can line up last. Thus there are 3×2×1 possible orders.

5 0
3 years ago
Read 2 more answers
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