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fgiga [73]
3 years ago
13

PLS HELP THIS IS DUE IN 10 MINUTES ASAP

Mathematics
2 answers:
pickupchik [31]3 years ago
7 0
Answer : the answer for 1st one is:

14+z/5

Igoryamba3 years ago
7 0

Answer:

2) A.\frac{14+x}{5}

3) B. 4(\frac{11}{x} )

Step-by-step explanation:

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SOMEONE HELP WITH THIS PLZZ!!
Natali5045456 [20]

Answer:

x=90 y=45

Step-by-step explanation:

Answer is C

y and 45 are vertical angles

x=90 (right angle)

3 0
2 years ago
If a triangle is an equilateral triangle, then the triangle has exactly three 60°
ahrayia [7]

Step-by-step explanation:

In an equilateral triangle, all the three sides are equal as well as all the angles are equal. Let the angles be x.

We know that the sum of angles of a triangle is equal to 180 degrees. It means that,

x+x+x=180

3x=180

x=60°

Hence, if a triangle is an equilateral triangle, then the triangle has exactly three 60°  angles. Hence, △ABC is an equilateral triangle

3 0
3 years ago
If i had 12$ but I spent 2 how much would I have left​
Ad libitum [116K]

The answer for this question would be 10

5 0
3 years ago
Read 2 more answers
78% of students in the 7th grade
irina1246 [14]

Answer:

77

Step-by-step explanation:

percentage         Students

78%--------------     -273

100%--------------      ---X

(100x273)/78 = 350 students in class so

how many did  not pass?​

350-273 = 77 students not pass

6 0
3 years ago
Read 2 more answers
Approximate pi plus the square root of 70 to the nearest hundredth.
stich3 [128]

Answer:

  11.51

Step-by-step explanation:

In general, a calculator is required to evaluate the irrational sum ...

  π + √70

<h3>Calculator result</h3>

The result from a readily-available online calculator is shown in the attachment.

  π + √70 ≈ 11.51

__

<em>Additional comment</em>

You have probably memorized pi to several digits: 3.1416. To obtain the required estimate means you need to approximate √70 to about the same level of precision.

For a number n = a² +b, the square root can be approximated by the continued fraction ...

  √n ≈ a +b/(2a +b/(2a +...))

Effectively, the root (r) can be iterated from the recursive formula ...

  r' = a +b/(a +r)

For √70, we have 70 = 8² +6   ⇒   a=8, b=6

If the initial approximation of the root is r0≈a=8, then a couple of iterations gives ...

  r1 = 8 + 6/(8 +r0) = 8 + 6/(8 +8) = 8 3/8

  r2 = 8 + 6/(8 +r1) = 8 +6/(8 +8 3/8) = 8 48/131

This has sufficient accuracy for the purpose. The decimal equivalent of the sum then becomes ...

  3.1416 +8.3664 = 11.5080 ≈ 11.51

5 0
1 year ago
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