MATHEMATICS HIGH SCHOOL

Translate the sentence into an inequality.Nine subtracted from the product of 5 and a number is at least -28

Answers

Answer 1
Answer:

The given sentence into an inequality is 5x-9≥-28.

What are inequalities?

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

Given that, nine subtracted from the product of 5 and a number is at least -28.

Let the unknown number be x.

nine subtracted from the product of 5 and a number

5x-9

So, inequality is 5x-9≥-28

Now, 5x≥-28+9

5x≥-19

x≥-19/5

x≥-3.8

Therefore, the given sentence into an inequality is 5x-9≥-28.

To learn more about the inequalities visit:

brainly.com/question/20383699.

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Answer 2
Answer:

Answer:

5x - 9 ≥ -28

Simplifying gives:

x ≥ -3.8

Step-by-step explanation:

Nine subtracted from the product of 5 and a number is at least -28

Let the number be x so;

5x - 9 ≥ -28

5x ≥ -28 + 9

5x ≥ -19

x ≥ -19/5

x ≥ -3.8

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5x^2-4x=6 solve for x

Expand: (b + 2)(b - 4)

Answers

(b+2)(b-4)
b x b = b^2
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b x -4= -4b
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A set of equations is given below:Equation C: y = 3x + 7
Equation D: y = 3x + 2

How many solutions are there to the given set of equations?

Answers

Good morning Brainiac


y=3x+7

y=3x+2

We need to solve y=3x+7 for y

Substitute 3x+7 for y in y=3x=2

y=3x+2

3x+7=3x+2

Add -3x

3x+7-3x=3x+2-3x

7=2

Add -7

7-7=2-7

0=-5

No solutions


It was my pleasured to help you :)

Simplify this;
what is -2x + x?

Answers

Answer:

-x

Step-by-step explanation:

Note that when there is a standalone variable (such as the x in this example), it typically actually means 1x. (If it is -x, it will be -1x.) However, you do not write 1 in front, as it is presumed.

Subtract the coefficient of each terms:

1x - 2x = -1x

-x is your simplified form.

Answer is -x

• If a term doesn’t have a coefficient is considered that the coefficient is 1
-2x + 1x
• collect like terms by calculating the sum of the coefficients
(-2 + 1)x
• Write the sum
-1x
• The coefficient negativeone doesn’t have to be written but the sign remains
-x

Simplify plzzzzzzzzzzzzzzz

Answers

the answer is the first fraction

What can a doctor use to determine a patient's body fat percentage?Bioelectrical impedance machine
MRI machine
Waist measurement
Weight measurement

Answers

It is Bioelectrical impedance machine, these devices are used to measure the percentage of fat on your body so it is B

Bioelectrical impedance machine

That is definitely the answer, so A not B

The elevation we call sea level is actually the average level of the sea. This means that at average sea level, the elevation is zero. In reality, the level of the sea rises and falls in what are called tides. Low tide is the point of lowest sea level in a tidal period. High tide is the point of highest sea level in a tidal period. The height above or below average sea level is called elevation. An elevation below sea level is considered a negative value, while an elevation above sea level is positive.Winston lives near the ocean. He regularly brings an altimeter to the beach to measure the elevation of the ocean’s surface. You will use the data Winston gathered to complete tasks about the rising and falling of the ocean’s surface. When necessary, sketch a diagram of the situation on a separate sheet of paper to assist you.
On Monday at 1pm, when the ocean’s surface was at an elevation of 2.2 feet, Winston went to a surf shop that was 8.2 feet above the ocean’s surface. At 7 p.m. when the ocean’s surface was at an elevation of -2.4 feet, Winston ate dinner at a restaurant whose deck was 10 feet above the ocean’s surface.

What was the net change in the elevation of the ocean’s surface from 1 p.m. to 7 p.m.?

Answers

Answer:

-4.6 ft

Step-by-step explanation:

The question is asking for the net change in the ocean's surface elevation, so we can ignore the parts of the question that mention his own elevation at the time of the measuring. We can see at 1, the elevation was 2.2, and at 7, the elevation was -2.4. The net change is the whole change over the period of time, so we just need to find the difference between the two. Adding them together gives you the distance from each elevation the sea's surface was, which is -4.6 ft as the elevation decreased
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Pleaseeeee help :'))))