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3 years ago

Math Hhfgggvcvbvvvngdb do. CNBC h Vic. Gndjydhfsjtfxb

Mathematics

1 answer:

Elodia [21]3 years ago

8 0

KANDNSNFNWNDNWNE math.

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Solve for a: b − 2a = c

vlada-n [284]

Answer:

$a=-\frac{c-b}{2}$

Step-by-step explanation:

Solving for the variable $a$ , given that :

$b-2a=c$

We can first start start by subtracting $b$ from both sides of the equation:

$-2a=c-b$

Now, we can divide both sides of the equation by the coefficient of $a$ , which would be $-2$ :

$a=\frac{c}{-2}-\frac{b}{-2}$

Applying the fraction rule $\frac{a}{c}\pm\frac{b}{c} =\frac{a\pm b}{c}$ :

$a=\frac{c-b}{-2}$

Then, apply the fraction rule $\frac{a}{-b} =-\frac{a}{b}$

$a=-\frac{c-b}{2}$

5 0

2 years ago

a water tank is draining at a constant rate if after five minutes the tank is drained by 4.5 gallons what is the rate in gallons

vova2212 [387]

Answer:

The rate is 0.9 gallon per minute

Step-by-step explanation:

Here, we have 4.5 gallons drained in 5 minutes but we are interested in calculating the rate per minute

Let the amount drained per minute be x

4.5 gallons = 5 minutes

x gallon = 1 minute

Let’s cross multiply;

x * 5 = 4.5 * 1

5x = 4.5

x = 4.5/5

x = 0.9 gallons

8 0

3 years ago

3. Amoud University has 400 students whom 150 are girls, the ratio of girls to boys is?

artcher [175]

There is 350 boys the the ratio is 2 (or 2 1/2) boys for every 1 girl

8 0

2 years ago

Angle 2 is 110 degrees. Allen claims that we do not have enough information to solve for angle 1. Is he correct? Why or why not?

devlian [24]

Allen's claim that we do not have enough information to solve for angle 1 is incorrect

<h3>How to calculate the measure of angle 1</h3>

Given that:

Angle 2 = 110 degrees

Angle 1 and angle 2, are the only angles on the straight line.

So, we have:

$\angle 1 + \angle 2 = 180$

Substitute 110 for angle 2

$\angle 1 + 110 = 180$

Subtract 110 from both sides

$\angle 1 = 70$

The measure of angle 1 is 70 degrees.

So, we can conclude that Allen's claim is incorrect