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sergiy2304 [10]
3 years ago
14

Solve 2x+y=7 for y . i find these difficult :( y=______

Mathematics
1 answer:
natita [175]3 years ago
4 0
Here I hope this helps the answers is 0,7
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which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?
aleksklad [387]
Circumcenter for the Apex students :)
6 0
3 years ago
A cube has a volume of 64. What is the length of one side of the cube?
bearhunter [10]

Answer:

4

Step-by-step explanation:

The volume of a cube can be represented as s^3 = v, where s = side and v = volume. In this case, we're given the volume as 64, so s^3 = 64. To solve this problem, we first have to know what a cube root is.

What's a cube root?

  • The cube root of a number is the number you multiply by itself 3 times to get another number.
  • One common cube is 27, and the cube root of it is 3 because 3 x 3 x 3 = 27.

Given the information above, let's go in order with the list of cube roots to see which one has a cube of 64.

  • 1: 1 x 1 x 1 = 1.
  • 2: 2 x 2 x 2 = 8.
  • 3: 3 x 3 x 3 = 27.
  • 4: 4 x 4 x 4 = 64. (This is the cube root!)

We found the cube root of 64, or the side of the cube with a volume of 64. The side of the cube, therefore, is 4.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

3 0
3 years ago
4-(3/4. 4/3)<br> Math q
Marat540 [252]

Remember to follow PEMDAS. First, multiply the two fractions together.

(3/4 x 4/3) = 12/12 = 1

Simplify the expression. Subtract 4 with 1

4 - 1 = 3

3 is your answer

hope this helps

3 0
3 years ago
If 20 cookies cost 100 how much does 1 cookie cost
d1i1m1o1n [39]

Step-by-step explanation:

\huge\bold\purple{     5   \: dollar     }

7 0
3 years ago
Read 2 more answers
Suppose that the exam scores for students in a large university course are normally distributed with an unknown mean and standar
HACTEHA [7]

Answer:

Critical value t-score=2.701.

Step-by-step explanation:

When we calculate a confidence interval with an unknown population standard deviation, we estimate it from the sample standard deviation and use the t-score instead of the z-score.

The critical value for t depends on the level of confidence and the degrees of freedom.

If the sample size is 42, the degrees of freedom are:

df=n-1=42-1=41

For a confidence level of 99% and 41 degrees of freedom, the critical value of t is t=2.701.

6 0
3 years ago
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