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enot [183]
4 years ago
5

Which of the following fractions is greater than -4/5 but less than -3/4

Mathematics
1 answer:
choli [55]4 years ago
7 0

Answer:

B. -19/25

Step-by-step explanation:

You are looking for an answer that is greater than -4/5 (which is equal to -0.80) but less than -3/4 (which is equal to -0.75). So, you can easily convert the fractions to decimals by dividing.

-33/50 = -0.66, which is greater than -0.75, so it can be eliminated.

-19/25 = -0.76, which fits our parameters, so it is the answer.

-19/20 = -0.95, which is less than -0.80, so it can be eliminated.

-7/10 = -0.70, which is greater than -0.75, so it can be eliminated.

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Understanding perpendicular and parallel lines are extremely important, especially in the engineering field when building infrastructures or houses because they need to calculate how they will keep a building stable. For example, bridges we see have a lot of perpendicular and parallel lines, that's because without those the bridge can't hold itself up, it needs support from the metals that are parallel and perpendicular.

hope this helps!!

5 0
3 years ago
What is the relation between real number and whole number
cestrela7 [59]
The set of real numbers is all numbers that can be shown on a number line. It also includes rational numbers, which are numbers that can be written as a ratio of two integers, and irrational numbers, which cannot be written as a the ratio of two integers.
6 0
3 years ago
Simplify the expression
SashulF [63]

Answer:

The simplified form of given expression\frac{15xy}{5x^{\frac{1}{2}}y^2} is \frac{3x^{\frac{1}{2}}}{y}

Step-by-step explanation:

Given: Expression \frac{15xy}{5x^{\frac{1}{2}}y^2}

We have to write the given expression in simplified form,

Consider the given expression \frac{15xy}{5x^{\frac{1}{2}}y^2}

Divide the numbers \frac{15}{5}=3

we get,

=\frac{3xy}{y^2x^{\frac{1}{2}}}

Apply exponent rule , \frac{x^a}{x^b}\:=\:x^{a-b}

\frac{x}{x^{\frac{1}{2}}}=x^{1-\frac{1}{2}}=x^{\frac{1}{2}}

we get,

=\frac{3yx^{\frac{1}{2}}}{y^2}

Cancel y term, we have,

=\frac{3x^{\frac{1}{2}}}{y}

Thus, The simplified form of given expression\frac{15xy}{5x^{\frac{1}{2}}y^2} is \frac{3x^{\frac{1}{2}}}{y}

4 0
3 years ago
Read 2 more answers
Solve by completing a square r^2-8r+9
Tanzania [10]

Solving  r^2-8r+9 by completing a square gives (r+4)^2-7

Step-by-step explanation:

We need to solve the equation r^2-8r+9 by completing a square

The completing a square method requires: a^2\pm 2ab +b^2=(a\pm b)^2

Solving:

r^2-8r+9\\=(r)^2-2(r)(?)+(?)^2+9

We need to add and subtract (4)^2=16 to make the equation a complete square

=(r)^2-2(r)(4)+(4)^2-(4)^2+9\\=(r)^2-2(r)(4)+(4)^2-16+9\\=(r)^2-2(r)(4)+(4)^2-7\\=(r+4)^2-7

So, Solving  r^2-8r+9 by completing a square gives (r+4)^2-7

Keywords: Solve by completing a square

Learn more about Solve by completing a square at:

  • brainly.com/question/7932185
  • brainly.com/question/1414350
  • brainly.com/question/1464739

#learnwithBrainly

7 0
3 years ago
-2N-(N+4) COMBINE LIKE TERMS
Hunter-Best [27]
-2n -(n+4)

-2n+ -n+ -4
-3n+ -4

The answer is -3n-4.

Hope this helps!
6 0
3 years ago
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