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serg [7]
2 years ago
11

PLLLLEASE ASAP GUYS PLEASEE OMG

Mathematics
2 answers:
vovangra [49]2 years ago
7 0

Answer:

27/30

Step-by-step explanation:

9/10 x3 to both sides = 27/30

Ket [755]2 years ago
6 0

Answer:

\dfrac{27}{30}

Explanation:

In a normal fraction such as \frac{a}{b}, a is the numerator and b is the denominator.

Here the given fraction is \frac{9}{10}, to rewrite the fraction with a denominator of 30. <u>Multiply</u> both the numerator and denominator <u>by 3</u>.

\rightarrow \dfrac{9}{10}

\rightarrow \dfrac{9\:\times\:3}{10 \:\times \: 3}

\rightarrow \dfrac{27}{30}

Both the fractions are equivalent to each other.

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One of the legs of a right triangle measures 9 cm and the other leg measures 11 cm.
ikadub [295]

Answer:

\boxed {\boxed {\sf 14.2 \ cm}}

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean Theorem to solve for the sides.

a^2+b^2=c^2

where <em>a</em> and<em> b</em> are the legs and <em>c</em> is the hypotenuse. In this triangle, we know the legs are 9 centimeters and 11 centimeters, or:

  • a= 9 cm
  • b= 11 cm

Substitute these values into the formula.

(9 \ cm)^{2}  +(11 \ cm)^{2} =c^{2}

Solve the exponents.

  • (9 cm)²= 9 cm*9 cm=81 cm²

81 \ cm^{2}  +(11 \ cm)^{2} =c^{2}

  • (11 cm)²= 11 cm*11 cm= 121 cm²

81 \ cm^{2}  +121 cm^{2} =c^{2}

Add the values on the left side.

202 \ cm^{2} =c^{2}

Since we are solving for c, we must isolate the variable. It is being squared and the inverse of a square is the square root. Take the square root of both sides.

\sqrt {202 \ cm^{2} }=\sqrt{c^{2} }

\sqrt {202 \ cm^{2} }=c

14.2126704036 \ cm =c

We are told to round to the nearest tenth.

  • 14.2<u>1</u>26704036

The 1 in the hundredth place tells us to leave the 2 in the tenth place.

14.2 \ cm= c

The hypotenuse is equal to <u>14.2 centimeters.</u>

3 0
3 years ago
What three dimensions are needed to find the volume of a rectangular solid?
Katyanochek1 [597]
We need the length, the width and the height
7 0
3 years ago
What is the multiplicative inverse of 3/7 ? A) −7/3 B) −3/7 C) 1/7 D) 7/3
vredina [299]

Answer:

B

Step-by-step explanation:

4 0
3 years ago
Which of the following statements is true of a reflection?
zhuklara [117]
I think the correct answers from the choices listed above are the first and the fourth option. The statements that are true about a reflection would be that it  is an isometry and the it flips a plane about a fixed line. <span>A </span>reflection<span> over a line k (notation rk) is a transformation in which each point of the original figure (pre-image) has an image that is the same distance from line k.</span>
7 0
4 years ago
3
sleet_krkn [62]

Answer:

16units is the correct answer

6 0
3 years ago
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