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babunello [35]
3 years ago
10

Is there a solution to 0.21 (3x + 3) + 4 =26

Mathematics
1 answer:
bonufazy [111]3 years ago
3 0

Answer:

x = 33.92.

Step-by-step explanation:

0.21 (3x + 3) + 4 = 26

Distribute the 0.21 over the parentheses:

0.63x + 0.63 = 22

0.63x = 22 - 0.63

0.63x = 21.37

x = 21.37 / 0.63

x = 33.92 (answer).

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AB and BC form a right angle at point B. If A = (-3,-1) and B = (4,4), what is the equation of BC
m_a_m_a [10]

Answer:

y=-1.4x+9.6

Step-by-step explanation:

If A = (-3,-1) and B = (4,4),  the slope of AB is

\text{Slope}_{AB}=\dfrac{-1-4}{-3-4}=\dfrac{-5}{-7}=\dfrac{5}{7}

Two perpendicular lines have slopes that have product of -1:

\text{Slopee}_{AB}\cdot \text{Slope}_{BC}=-1\\ \\\dfrac{5}{7}\cdot \text{Slope}_{BC}=-1\\ \\\text{Slope}_{BC}=-\dfrac{7}{5}=-1.4

The equation of the line BC with slope -1.4 and passing through the point B(4,4) is

y-4=-1.4(x-4)\\ \\y-4=-1.4x+5.6\\ \\y=-1.4x+9.6

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4 years ago
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The answer would be 4(x^6+x-3)
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Anuta_ua [19.1K]

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Step-by-step explanation:

1,248

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Will use us 3/4 cup of olive oil to make three batches of salad dressing how much oil does will use for one batch of salad dress
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PLEASE HELP ASAP <br><br>Given: m∠DEA=46°, m∠P=14°<br>Find the measurements of arc AD and arc BC.
antoniya [11.8K]

Answer:

The measurement of arc AD is 53°

The measurement of arc BC is 39°

Step-by-step explanation:

Let

x----> the measurement of arc AD

y---> the measurement of arc BC

we know that

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so

m∠DEA=(1/2)[x+y]

substitute the value

46°=(1/2)[x+y]

92°=[x+y] -----> equation A

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m∠P=(1/2)[x-y]

substitute the value

14°=(1/2)[x-y]

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Adds equation A and equation B

92°+14°=2x

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Find the value of y

substitute in the equation A the value of x

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