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3 years ago

The graph of an equation is shown below:

Mathematics

2 answers:

storchak [24]3 years ago

7 0

(1, 3) represent a solution to the equation.

Naddika [18.5K]3 years ago

7 0

Answer:

$(1,3)$

Step-by-step explanation:

we know that

If a ordered pair is a solution of the graph

then

the ordered pair belong to the graph

Plot the points

The ordered pair $(1,3)$ is on the graph

therefore

is a solution of the equation

see the attached figure

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What is the approximate age of a woman whose normal systolic pressure measures 125 mm Hg?

sashaice [31]

The approximate age of a woman whose normal systolic pressure measures 125 mm Hg is 31

The function is given as:

$P(A) = 0.006A^2 - 0.02A + 120$

When the normal systolic pressure is 125, it means that:

$P(A) = 125$

So, we have:

$125 = 0.006A^2 - 0.02A + 120$

Subtract 125 from both sides of the equation

$0= 0.006A^2 - 0.02A + 120 -125$

$0= 0.006A^2 - 0.02A - 5$

Rewrite the equation as:

$0.006A^2 - 0.02A - 5 = 0$

Using a graphing calculator, we have:

$A = \{30.58, -27.25\}$

But age cannot be negative.

So, we have:

$A = 30.58$

Approximate

$A =31$

Hence, the age of the woman is 31

Read more about quadratic functions at:

brainly.com/question/11441586

8 0

2 years ago

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Ater a blizzard the amount of snow on the ground melted by 3 inches one day and then another 8 inches the next day. Write an exp

Hoochie [10]

Answer:

11 inches

Step-by-step explanation:

Let the level of ground level be g

On first day, amount of snow melted by 3 inches

So, level of ground melted= (g- 3) inches

Next day, amount of snow melted by 8 inches

So, level of ground level melted = (g- 3-8 )inches

Hence, total change in the ground level = ( g- 11) inches

Hence, amount of snow on ground level melted by 11 inches

Hence, the correct answer is 11 inches

6 0

3 years ago

A wood stove burns 4 same-sized logs in 2 hours. How many logs does the stove burn in 8 hours?

Liono4ka [1.6K]

(4logs/2hours) = (x logs/8 hours)

(4/2) = x/8)

Cross multiplication gets you:

(4)(8) = (2)x
32 = 2x
x = 16

16 logs

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3 years ago

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Adam went to McDonald's and bought a Big Mac and 2 small fries. Adam spent

Rudiy27

Answer:

the answer is 4.94 because you subtract 10.93-5.99

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3 years ago

What is 25% of 75? <br><br> Answer now! High value question on the market!<br><br> [ Really! ]

coldgirl [10]

Step-by-step explanation:

$p\%=\dfrac{p}{100}\\\\25\%=\dfrac{25}{100}=0.25\\\\25\%\ of\ 75\to 0.25(75)=18.75$

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3 years ago

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