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Elan Coil [88]
3 years ago
13

Find the area of the following figure. Answer should be simplest radical form.

Mathematics
1 answer:
zlopas [31]3 years ago
5 0

Answer:

306

Step-by-step explanation:

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Pleaseee helpppp????????
Zinaida [17]

Answer:

The first one of the second column

Step-by-step explanation:

Multiply -5 by each number inside the parenthesis remembering that when you multiply two negative numbers the result is positive

-5(4x-7)+8=3x

-20x+35+8 = 3x

4 0
4 years ago
If y varies directly as x and z and y=4 when x=6 and z=1 find y when x=7 and z=4
yawa3891 [41]

<u>Answer-</u>

<em>The value of y is \dfrac{56}{3} when x=7 and z=4.</em>

<u>Solution-</u>

As given in the question, y is directly proportional to x, so

y\propto x   -----------------1

And also y is directly proportional to z, so

y\propto z   -----------------2

Combining equation 1 and 2,

\Rightarrow y\propto x.z

\Rightarrow y=k.x.z

Where,

k = proportionality constant

When x=6 and z=1, y=4. Putting theses values,

\Rightarrow 4=k\times 6\times 1

\Rightarrow 4=6k

\Rightarrow k=\dfrac{4}{6}

\Rightarrow k=\dfrac{2}{3}

Now, we have to find the value of y, when x=7 and z=4

\Rightarrow y=\dfrac{2}{3}\times 7\times 4

\Rightarrow y=\dfrac{56}{3}

Therefore, the value of y is \dfrac{56}{3} when x=7 and z=4.

6 0
3 years ago
Read 2 more answers
Celia simplified the expression Negative 4 x (1 minus 3) minus (2 x + 2). She checked her work by letting x = 5 in both expressi
guapka [62]

Answer:

6x-2

Step-by-step explanation:

-4x(1-3)-(2x+2)

= 4x+12x-2x-2

6x-2

(simplify)

8 0
2 years ago
Is y – 2 = –5(x – 2) a linear function
PIT_PIT [208]

Answer:

Yes

Step-by-step explanation:

y-2=-5(x-2)

y=-3(x-2)

6 0
2 years ago
What is the mean number of vehicles owned by the families in Class A? Explain or show how you arrived at your answer.
Pani-rosa [81]

Answer:

  1 5/11 ≈ 1.455

Step-by-step explanation:

The total number of vehicles owned is

  (4×0 + 8×1 + 6×2 + 4×3) = 32

The total number of families is ...

  4 + 8 + 6 + 4 = 22

Then the mean number of vehicles per family is ...

  32/22 = 16/11 ≈ 1.455

4 0
3 years ago
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