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hjlf
3 years ago
5

What is the missing length

Mathematics
1 answer:
Zina [86]3 years ago
6 0

Answer:

c = 12

Step-by-step explanation:

a^{2} + b^{2} = c^{2}

7.2^{2} + 9.6^{2} = c^{2}

51.84 + 92.16 = c^{2}

144 = c^{2}

\sqrt{144} = c

12 = c

hope this helps :)

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What is the value of x?
dem82 [27]

Answer:

4

Step-by-step explanation:

with a 30-60-90 triangle the hypotenuse is 2x while the smaller 30 side is x. This means that LJ is 4\sqrt{2}. Then for a 45-45-90 the hypotenuse is x\sqrt{2} compared to a leg being X. So you remove the \sqrt{2} leaving you with 4

4 0
3 years ago
Qouadrilateral A has side length 6,9,9 and 12 quadrilateral B is a scaled copy of quadrilateral A, with its, shortest side of le
Naya [18.7K]

The perimeter of quadrilateral B is 12.

<u><em>Explanation</em></u>

Quadrilateral A has side lengths as  6, 9, 9 and 12.  In quadrilateral B, length of the shortest side is 2.

As quadrilateral B is a scaled copy of quadrilateral A, so <u>the scale factor</u> will be...

<em>(Shortest side of B / Shortest side of A)</em> =\frac{2}{6}=\frac{1}{3}

Now the remaining side lengths for quadrilateral B will be.....

(9*\frac{1}{3}) , (9*\frac{1}{3}) and (12*\frac{1}{3})

⇒  3 , 3 and 4  

Thus, the perimeter of quadrilateral B is = 2+3+3+4= 12

5 0
3 years ago
How many 1/6 cup serving of rice and in 2/3 cup of rice
jok3333 [9.3K]

Answer:

4 serving cups

Step-by-step explanation:

Given

Serving\ cup = \frac{1}{6}

Rice\ cup = \frac{2}{3}

Required

The number of serving cup (n)

This is calculated by dividing the rice cup by the serving cup

n = \frac{Rice\ cup}{Serving\ cup}

n = \frac{2/3}{1/6}

Rewrite as:

n = \frac{2}{3} \div \frac{1}{6}

Change to multiplication

n = \frac{2}{3} * \frac{6}{1}

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3 0
3 years ago
Evaluate the expression -2+49 ÷ (-7)​
Viktor [21]

Answer: It should equal this ,-2+49÷(-7)=-9 !

Step-by-step explanation:

5 0
3 years ago
I'd really appreciate it if anyone could help! :)
Ahat [919]

Answer:

The given table represents a function f(x) = y = 2x+3

The upper graph

Step-by-step explanation:

We will write the equation of the right line in the explicit (slope) form

y = ax+b

We will take two points from the given table

A(-1,1) and B(0,3) and insert their coordinates in the equation y=ax+b and get

A(-1,1)  => 1 = (-1)*a+b => -a+b=1

B(0,3) => 3=0*a+b => 3= 0+b => b=3

Now we will insert b=3 in the equation -a+b=1 and get

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Now we will insert a=2 and b=3 in the equation y=ax+b and get

equation of the function  

y = 2x+3 = f(x)  The upper graph.

Good luck!!!

5 0
3 years ago
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