3 years ago

0.6x + 3 = 0.1x - 7 what value of x makes the question true

Mathematics

1 answer:

svetlana [45]3 years ago

7 0

Answer:x=-20

Step-by-step explanation:

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Can you plz help me I don’t get it

levacccp [35]

35 feet.

$\frac{mailbox height}{mailbox shadow}$

$\frac{pinetree height}{pinetree shadow}$

$\frac{3}{4.8} = \frac{h}{56}$

1.8h = 3 x 56

4.8h = 168

h = 35 feet.

5 0

3 years ago

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a taxi hurries with a constant speed of 38 miles per hour. how long will it take to travel a distance of 95 miles

lisabon 2012 [21]

Answer:

2.5 hours

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3 years ago

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A) Expand and simplify (4x + 3)(2x - 5)

Delicious77 [7]

Answer:

8x² - 14x - 15

Step-by-step explanation:

(4x + 3)(2x - 5)

8x² - 20x + 6x - 15

8x² - 14x - 15

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3 years ago

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Write down the inequality described by "half of x is no more than six", and solve it

Montano1993 [528]

X/.5 > 6
(the > has a line under it but idk how to type that lol)

5 0

3 years ago

You are given g(x)=4x^2 + 2x and

Strike441 [17]

Answer:

324

Step-by-step explanation:

Given:

$g(x)=4x^2+2x\\ \\f(x)=\int\limits^x_0 {g(t)} \, dt$

Find:

$f(6)$

First, find f(x):

$f(x)\\ \\=\int\limits^x_0 {g(t)} \, dt\\ \\=\int\limits^x_0 {(4t^2+2t)} \, dt\\ \\=\left(4\cdot \dfrac{t^3}{3}+2\cdot \dfrac{t^2}{2}\right)\big|\limits^x_0\\ \\=\left(\dfrac{4t^3}{3}+t^2\right)\big|\limits^x_0\\ \\= \left(\dfrac{4x^3}{3}+x^2\right)-\left(\dfrac{4\cdot 0^3}{3}+0^2\right)\\ \\=\dfrac{4x^3}{3}+x^2$

Now,

$f(6)\\ \\=\dfrac{4\cdot 6^3}{3}+6^2\\ \\=288+36\\ \\=324$

4 0

3 years ago