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AleksAgata [21]

3 years ago

6

Translate the sentence into an inequality. Twice the difference of a number and 9 is at least 20. Use the variable b for the unk

nown number.

2 answers:

vaieri [72.5K]3 years ago

8 0

Answer:

Twice the difference of a number and 9 is at least 20:

2(b - 9) ≥ 20

Elena L [17]3 years ago

4 0

Answer:

2(b-9)≥20

Filler sentence here.

You might be interested in

The solution of two linear equations is (-2,2). One equations has a slope of 3. The slope of the other equation is the negative

Crank

The system of equations is:

$3x-y=-8$

$x+3y=4$

Step-by-step explanation:

Let the line 1 be: $l_1$

Let line 2 be: $l_2$

Both lines will pass through the same point (-2,2)

And

Given

$m_1=3\\m_2=-\frac{1}{3}$

<u>The slope intercept form for first line will be:</u>

$y=m_1x+b$

Putting values

$y=3x+b$

Putting the point in the equation

$2=(-2)(3)+b\\2=-6+b\\b=2+6\\b=8$

So, the equation is: y=3x+8

Converting the equation in standard form

$y=3x+8$

Subtracting y from both sides

$0=3x-y+8$

Subtracting 8 from both sides

$3x-y=-8$

<u>The second line's equation will be:</u>

$y=m_2x+b$

Putting slope

$y=-\frac{1}{3}x+b$

Putting the point

$2=-\frac{1}{3}(-2)+b\\2=\frac{2}{3}+b\\b=2-\frac{2}{3}\\b=\frac{6-2}{3}\\b=\frac{4}{3}$

The equation is:

$y=-\frac{1}{3}x+\frac{4}{3}$

Converting the equation in standard form

Multiplying whole equation by 3

$3y=-x+4$

Adding x on both sides

$x+3y=4$

Hence

The system of equations is:

$3x-y=-8$

$x+3y=4$

Keywords: Equation of line, Linear equation

Learn more about linear equation at:

#LearnwithBrainly

3 0

3 years ago

7. Jackie wants to buy a new CD player It costs She has saved and has a coupon for off the Does Jackie have enough money to buy

Tomtit [17]

Ok, take 32.95 times 30% which is 32.95 times .30 which gives you 9.885. TAke 32.95 - 9.885 and gives u 23.065. So yes she has enough

8 0

4 years ago

16. Which statement about the sum is true? 1 + 1. The sum is greater than 1 and less than 2. O The sum is greater than 2 and les

elena-14-01-66 [18.8K]

$1\frac{3}{5}+1\frac{9}{10}$

First, express the mixed numbers as simple fractions:

1 3/5 = (1x5+3)/5 = 8/5

1 9/10= (10x1+9)/10 = 19/10

Add both:

$\frac{8}{5}+\frac{19}{10}=\frac{16}{10}+\frac{19}{10}=\frac{35}{10}=3.5$

The sum is greater than 3 and less than 4.

8 0

1 year ago

Find the value of x in the following diagram.<br>

ehidna [41]

Answer:

x = 3.5

Step-by-step explanation:

diameter = radius × radius

d= ( 3x + 1 ) + ( x + 8 )

3x + 1 = x + 8

subtract 1 and x

2x = 7

divide by 2

x = 3.5

3 0

3 years ago

What if i click on the edmentum tutorial but don't do it? Can they see that too??

Zepler [3.9K]

Answer: I think so
Step by step:

5 0

3 years ago