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krok68 [10]
1 year ago
8

Use any method to add or subtract (1 point) 5/7 - (3/14 + 3/14)

Mathematics
2 answers:
Ray Of Light [21]1 year ago
6 0

Answer:

  • 5/7 - (3/14 + 3/14) = 2/7

See the steps of solution:

  • 5/7 - (3/14 + 3/14) =           Solve parenthesis first
  • 5/7 - (3 + 3)/14 =                Add fractions with same denominator
  • 5/7 - 6/14 =                        Simplify
  • 5/7 - 3/7 =                         Subtract fractions with same denominator
  • (5 - 3)/7 =                           Simplify
  • 2/7                                     Answer
Goshia [24]1 year ago
6 0

Answer:

2/7 (or) 0.285

Step-by-step explanation:

Given problem,

→ 5/7 - (3/14 + 3/14)

Let's solve the given problem,

→ 5/7 - (3/14 + 3/14)

→ (5/7) - (6/14)

→ ((5 × 2)/(7 × 2)) - (6/14)

→ (10/14) - (6/14)

→ (10 - 6)/14

→ 4/14 = 2/7

Hence, required answer is 2/7.

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What is the 308th term of the sequence 11,12.5,14,15.5,17...
Alecsey [184]

\huge\boxed{471.5}

The formula for an arithmetic sequence is as follows:

a_n=a_1+(n-1)d

In this formula, a_n represents the nth term of the sequence and d represents the common difference between each term.

Plug in the known values.

a_{308}=11+(308-1)1.5

Subtract.

a_{308}=11+307*1.5

Multiply.

a_{308}=11+460.5

Add.

a_{308}=\boxed{471.5}

6 0
3 years ago
Aight I think I just figured out this pyramidal sequence thing. You're going up by perfect numbers right, like 4, 9, 16, 25. Bec
muminat

Answer:  Close.  Your observation is correct. When you see that the difference between two numbers in the sequence is a perfect square, you are looking at a pyramidal sequence

1² = <u>1 </u> top of pyramid

1 + 2² = <u>5</u>   total in top 2 layers

1 + 2² + 3² = <u>14</u> total in top 3 layers

1 + 2² + 3² + 4² = <u>30</u> total in the top 4 layers.

1 + 2² + 3² + 4² + 5² = <u>55</u>  total in the top 5 layers.

Layer 6 is 6² more, 91

Layer 7 is 7² more so, 140

I think you got it.

Step-by-step explanation:  The numbers are like when you keep adding the layers in a pyramid, and the next number is the total of the previous layers plus the square of the next layer number.

4 0
3 years ago
Rob cuts a 15 foot wire into 8 equal pieces. About how long is each piece
Sunny_sXe [5.5K]

Answer:

1.875 feet per wire

Step-by-step explanation:

15 divided by 8 equals 1.875

6 0
3 years ago
Read 2 more answers
Factor the following expression<br><br> 28w^(4)x^(2)y^(7)+12w^(9)x^(8)
disa [49]

The expression after factorisation is 4w⁴x² (7y⁷ + 3w⁵x⁶)

<h3>What is an Expression ?</h3>

An expression is defined as a mathematical statement consisting of variables , constants and mathematical operators.

The expression given is

28w⁴x²y⁷+12w⁹x⁸

Factors of the given expression will be the common terms in both the terms

w⁴x² is common in the variable term

The HCF of 28 and 12 is 4

4w⁴x² (7y⁷ + 3w⁵x⁶)

The expression after factorisation is 4w⁴x² (7y⁷ + 3w⁵x⁶)

To know more about Expression

brainly.com/question/14083225

#SPJ1

6 0
1 year ago
how is the sentence “12 less than x is four” written as an equation? 12 – 4 – x = 0 x = 12 – 4 x – 4 = 12 x - 12 = 4
nordsb [41]
This is saying that four is the result of a number "x" minus 12....therefore the equation is x-12=4
7 0
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