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3 years ago

What is the area of this triangle

Mathematics

2 answers:

timama [110]3 years ago

5 0

Answer:

i think its 60

Step-by-step explanation:

base times height then divide by 2

vovikov84 [41]3 years ago

3 0

Answer

Step-by-step explanation:

sorry i dont know!

but give me five stars please :(

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What are the values of x and y in the matrix equation below?

choli [55]

Answer : value of x and y in the matrix equation is:

x = -3

y = +4, -4

Step-by-step explanation :

The matrix expression is:

$\left[\begin{array}{ccc}x+4\\y^2+1\end{array}\right]+\left[\begin{array}{ccc}-9x\\-17\end{array}\right]=\left[\begin{array}{ccc}28\\0\end{array}\right]$

First we have to add left hand side matrix.

$\left[\begin{array}{ccc}(x+4)+(-9x)\\(y^2+1)+(-17)\end{array}\right]=\left[\begin{array}{ccc}28\\0\end{array}\right]$

Now we have to add left hand side terms.

$\left[\begin{array}{ccc}x+4-9x\\y^2+1-17\end{array}\right]=\left[\begin{array}{ccc}28\\0\end{array}\right]$

$\left[\begin{array}{ccc}4-8x\\y^2-16\end{array}\right]=\left[\begin{array}{ccc}28\\0\end{array}\right]$

Now we have to equating left hand side matrix to right hand matrix, we get:

$\Rightarrow 4-8x=28\text{ and }y^2-16=0\\\\\Rightarrow 8x=4-28\text{ and }y^2=16\\\\\Rightarrow x=-3\text{ and }y=\pm 4$

Therefore, the value of x and y in the matrix equation is -3 and +4, -4 respectively.

5 0

3 years ago

Rachel prepared 24 kilograms of dough after working 6 hours. How

attashe74 [19]

Answer:

24/6= 4kg/hour

44/4=11

she prepared the kg in 11 hrs of work

7 0

4 years ago

Read 2 more answers

Please please help ! Thank you

miskamm [114]

Answer:

4/3c^4 -it wont let me put it as it shows on your screen but the 4 is on top and under the line is 3c^4,

Step-by-step explanation:

Cancel the common factor of c^3 and z^7 -im not sure if this is what you were trying to get but its a answer-

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3 years ago

1) Para uma estratégia de marketing de conteúdo adequada, é necessário

pentagon [3]

Answer:

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3 years ago

What’s 18 divided by 7?

GalinKa [24]

Here is the answer...

2.57142857143

7 0

4 years ago