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mel-nik [20]
3 years ago
7

Help me with this please

Mathematics
2 answers:
Nataliya [291]3 years ago
8 0
Answer:1/2
Explanation
stiv31 [10]3 years ago
6 0

Preliminary:

Fractions in Mathematics are rational numbers that can be written in the form x/y, where x and y are integers, and y 0 and the number x is not a multiple of y. In fractions x is called the numerator while y is called the denominator.

Fraction Types:

  • Common Fraction = is a fraction expressed in the form x/y, x as the numerator and y as the denominator. x and y are integers and y 0
  • Mixed fraction = is a combination of whole numbers and fractions, expressed in the form a \frac{b}{c}
  • Decimal fractions are indicated by a comma (,) as a separator between the round and fractional parts. The round part is in front of the comma and the fraction part is behind it. One digit after the comma means the denominator of the fraction 10, two digits after the comma means the denominator of the fraction 100, and so on.
  • A percent fraction is a fraction that has a denominator of 100, expressed in the form a%. example 50% is the same as \frac{50}{100}

Answer:

\frac{1}{2}

Step-by-step explanation:

3( \frac{6}{8}  -  \frac{1}{2} ) + 0.25 =  \frac{3 \times 2}{4 \times 2}  -  \frac{1}{2}  =  \frac{3 - 2 \times 1}{4}  =  \frac{1}{4}  + 0.25 =  \frac{50}{100}  =  \frac{1 \times 50}{2 \times 50}  =  \frac{1}{2}

<h3>Answer Details:</h3>

Grade: 6-Primary School

Subject: Math

Chapter: 6

Sub-chapter: Fractional Counting

Categorization Code: 6.2.6

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grigory [225]

Step-by-step explanation:

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=(-12+6/2,-8+14/2)

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5 0
3 years ago
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Sergio039 [100]
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3 years ago
Find the indicated length or angle measure (to the nearest tenth).
skad [1K]

SOLUTION

Given the question in the image, the following are the solution steps to answer the question.

STEP 1: Explain the formula to use

Using the cosine rule which states that:

z^2=x^2+y^2-2xy\cos Z

STEP 2: Write the given sides

x=4,y=6,Z=41^{\circ},z=?

STEP 3: Find the value of z

\begin{gathered} By\text{ substitution,} \\ z^2=4^2+6^2-2(4)(6)\cos41 \\ z^2=16+36-48cos41 \\ z^2=52-36.22605985 \\ z^2=15.77394015 \\ z=\sqrt{15.77394015} \\ z=3.971641997 \\ z\approx4.0 \end{gathered}

Hence, the indicated length is 4.0

4 0
1 year ago
Solve this proportion 9/v = 3/2 a. {6} b. {7.3} c. {4.4} d. {1.3} What percent of 151 is 119.5? a. 129.8% b. 126.4% c. 79.1% d.
Roman55 [17]
V = ( 9*2 ) / 3 ;
v = 18 / 3 ;
v = 6 ;
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c. is the right answer;


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xeze [42]

Step-by-step explanation:

So

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7 0
3 years ago
Read 2 more answers
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