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Zepler [3.9K]
3 years ago
8

Help this is due soon

Mathematics
1 answer:
vichka [17]3 years ago
8 0

Step-by-step explanation:

22x13, 10x9, then both answers from the previous equations multiplied. Any questions?

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TWENTY NINE POINTS AND BRAINLIEST IF YOU CAN ANSWER THIS!!! The number of milligrams of medication in Noelle’s body is about wha
kolbaska11 [484]

Lets do the working for the amount of medication remaining in Noelle's body.


Day 1:


600 × 0.6 = 360


Day 3:


360 × 0.6 = 216


Day 4:


216 × 0.6 = 129.6


Day 5:


129.6 × 0.6 = 77.76


By the time Karey is taking the medication, Noelle only has 77.76 in her body.


This expressed as a percentage in relation to Karey's amount is :


77.76/600 × 100 = 12.96%


= 12.9%




Read more on Brainly.in - https://brainly.in/question/5450146#readmore

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9×8 break up into expressions
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The width of the rectangle shown below is 8 inches (in.). The length is 3 feet (ft.).
Naily [24]

do W x L which equals 24.

8 0
3 years ago
I’m not sure how to answer this in a Graph, Diagram, and Algebra(algebraic reasoning too) for a,b,c, and d. Can someone please h
Arlecino [84]

The outline that that illustrate how <em>k</em> values change so that the solutions are the ones in the question are as follows

(a) The number line solution contains zero

Using algebra, we have;

The given quadratic inequality is; -x² + 4 ≥ x + k

The number line solution is the expression of the solution on the number line.

We have;

-x² + 4 ≥ x + k

-x²  - x + 4 - k ≥ 0

Dividing by (-1), we get;

x² + x - 4 + k ≤ 0

When - 4 + k = -2

k = 2, we get;

x² + x - 4 + 2 ≤ 0

x² + x - 2 ≤ 0

(x - 1)·(x + 2) ≤ 0

Given that the result of the product is less than zero, we have;

((-3) - 1)·((-3) + 2) > 0

Therefore, the solution are;

x ≤ 1, or x ≥ -2

Which gives

-2 ≤ x ≤ 1

  • Using diagram;

The solution of the above inequality includes 0 as shown in the attached number line

  • Graphically;    

The graph of the inequality is plotted using MS Excel, showing the solution set, of -2 ≤ x ≤ 1

(b) There are no solution to the inequality

In the present case, we have;

((-1)² - 4×(-1) × (4 - k) <  0

17 - 4·k < 0

k > \dfrac{17}{4}

Let k = 5, we have;

-x² + 4 ≥ x + k

-x² - x + 4 - 5 ≥ 0

-x² - x  -1 ≥ 0

The discriminant, is (1² - 4×(-1)×(-1)) = -3 < 0, therefore, there are no real

roots to inequality, and -x² - x  -1 is not equal to zero.

  • Graphically

Please find attached the graph of the function, which does not intersect with the x-axis, and therefore, has no values at which <em>y</em> = 0

(c) The solution is a single number

-x² + 4 ≥ x + k

When k = x + 5, we have;

0 ≥ x² + 2·x + 1

0 ≥ (x + 1)²

Therefore;

The only solution is; x = -1

Using diagrams:

Please find attached the solution of the function on the number line

  • Graphically

The graph of the function showing only one intercept is attached

Learn more here:

brainly.com/question/11982012

3 0
3 years ago
How do you do solve one step inequalities
nekit [7.7K]

Answer:

By shortening

Step-by-step explanation:

1. 5x>35 /5

x>5

2. 4x<8y+12 /4

x<2y+3



7 0
3 years ago
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