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2 years ago

Help I need this done ASAP anyone know how to solve this

Mathematics

1 answer:

ludmilkaskok [199]2 years ago

4 0

Equation~ 5b + (2b - 4) + (3b -6)= 180.

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What is the value of this expression when f = 4?

ehidna [41]

Ok I got you First Distribute 9(3 f +2)-7f

27 f +18 -7f

Step 2 combine like terms

Step 3 common factor
Answer: 2(10 f + 9)

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2 years ago

Please Help me. Also if you could show your work thatd be great.

Over [174]

Answer:

3) $all \: real \: numbers$ , $( - \infty , \infty )$ , or $- \infty \leqslant x \leqslant \infty$ (same thing)

4) $- \infty < y < 0$ or $( - \infty ,0)$ (same thing)

5) $-2$ or $(0, -2)$ (same thing)

Step-by-step explanation:

3) Domain represents the amount of $x$ -values in a function. The image shows that the function's arrows point in both directions (right and left), infinitely, so the domain would be $all \: real \: numbers$ , $( - \infty , \infty )$ , or $- \infty \leqslant x \leqslant \infty$ (same thing).

4) Range represents the amount of $y$ -values in a function. The function goes downward forever ( $- \infty < y$ ) by the indication of an arrow and halts just under the y-axis ( $y < 0$ ). After combining these two inequalities, you see that the range is $- \infty < y < 0$ or $( - \infty ,0)$ (same thing).

5) The $y$ -intercept is where the function crosses the $y$ -axis. In this function, the $y$ -intercept is $-2$ or $(0, -2)$ (same thing).

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2 years ago

Which situation is best represented by the following equation?3x+x=440

lys-0071 [83]

The Given equation is , 3 x + x = 440,

Let speed of train A is x Km/hour and Speed of train B which is a Bullet train which starts from same station but from different platform is 3 times the speed of train A.

And Sum of their Velocities is i.e Velocity of train A and Velocity of train B is 440 Km/hour.

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2 years ago

I need this answered

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3 years ago

Emily is a very good student. She is more likely to attend class than to miss class. Which could be t.he probability that she mi

evablogger [386]

The correct answer is 0.1. C and D can automatically be eliminated because Emily is a good student who is likely to attend school. This leaves A and C, but A can be eliminated because there is still a possibility Emily will miss class.

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2 years ago