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Maru [420]
3 years ago
14

Which expression is equivalent to the one below?

Mathematics
1 answer:
Nutka1998 [239]3 years ago
6 0

Solving the expression  -\frac{1}{2}(10+\frac{1}{4}) we get -5-\frac{1}{8}

So, Option B is correct.

Step-by-step explanation:

We need to solve the expression -\frac{1}{2}(10+\frac{1}{4}) and find the equivalent expression

Solving:

-\frac{1}{2}(10+\frac{1}{4})

Multiply -1/2 with the terms inside the bracket:

=-\frac{1}{2}(10)-\frac{1}{2}(\frac{1}{4})\\=-\frac{10}{2}-\frac{1}{2*4}\\=-5-\frac{1}{8}

So, solving the expression  -\frac{1}{2}(10+\frac{1}{4}) we get -5-\frac{1}{8}

So, Option B is correct.

Keywords: Solving Fractions

Learn more about Solving Fractions at:

  • brainly.com/question/2456302
  • brainly.com/question/4390083
  • brainly.com/question/2456302

#learnwithBrainly

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I'm not completely sure, but I believe it is $228.57

Step-by-step explanation:

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7 0
3 years ago
I need helpppppp i have no idea what im looking at lol
Y_Kistochka [10]

The correct answer is option B which is SinA = \dfrac{4}{5} , tanA = \dfrac{4}{3} ,SecA=\dfrac{5}{3},

CosA=\dfrac{3}{5},CotA=\dfrac{3}{4} and CscA=\dfrac{5}{4}.

<h3>What is trigonometry?</h3>

Trigonometry is the branch of mathematics which set up a relationship between the sides and angle of the right-angle triangles.

From the figure we can see that two sides are Ab = 15 cm and BC = 12 cm third side will be calculated by pythagorean theorem.

AC² = AB² -  BC²

AC²  = 15²  -  12²

AC²  =  81

AC   =  √81

AC  =  9 cm

Now all the trigonometry identities are:-

SinA =\dfrac{BC}{AB}=\dfrac{12}{15}= \dfrac{4}{5} ,

tanA =\dfrac{BC}{AC}=\dfrac{12}{9}= \dfrac{4}{3} ,

SecA=\dfrac{AB}{AC}=\dfrac{15}{9}= \dfrac{5}{3},

CosA=\dfrac{AC}{AB}=\dfrac{9}{15}= \dfrac{3}{5},

CotA=\dfrac{AC}{BC}=\dfrac{9}{12}=}\dfrac{3}{4}

CscA=\dfrac{AB}{BC}=\dfrac{15}{12}= \dfrac{5}{4}.

Therefore correct answer is option B which is SinA = \dfrac{4}{5} , tanA = \dfrac{4}{3} ,SecA=\dfrac{5}{3},CosA=\dfrac{3}{5},CotA=\dfrac{3}{4} and CscA=\dfrac{5}{4}.

To know more about Trigonometry follow

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6 0
2 years ago
The area of the base of this right rectangular prism is 24 square centimeters and the height is 5 centimeters
ANEK [815]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
What is the units form for 0.12
Vlada [557]

Answer:

6/50  or 12 hundredths

Step-by-step explanation:

hope it helps

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3 0
3 years ago
Find the value of x. The diagram is not to scale.
lara [203]
Du to the triangle is an Equilateral triangle, both angles are equal. 
Now we have a straight angle RTU which equals 180 degrees so, 
<RTS + <STU = 180 
5x + 5x -30 = 180 
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x = 21 

7 0
4 years ago
Read 2 more answers
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