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posledela
3 years ago
7

A scuba diver dove 313 feet below sea level then rose 26 feet?

Mathematics
2 answers:
grigory [225]3 years ago
7 0
287 is the answer

313 - 26 = 287
klasskru [66]3 years ago
3 0

Answer:

I think the answer would be 287?

Step-by-step explanation:

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garik1379 [7]

Answer:

None

Step-by-step explanation:

8 0
3 years ago
See question in screenshot below.
alexgriva [62]

The equation of the transformation of the exponential function <em>y</em> = 2ˣ in the form <em>y</em> = A·2ˣ + k, obtained from the simultaneous found using the points on the graph is <em>y</em> = (-2)·2ˣ + 3

<h3>What is an exponential equation?</h3>

An exponential equation is an equation that has exponents that consists of variables.

The given equation is <em>y</em> = 2ˣ

The equation for the transformation is; <em>y</em> = A·2ˣ + k

The points on the graphs are;

(0, 1), (1, -1) and (2, -5)

Plugging the <em>x </em>and <em>y</em>-values to find the value <em>A</em> and <em>k</em> gives  the following simultaneous equations;

When <em>x</em> = 0, <em>y</em> = 1, therefore;

1 = A·2⁰ + k = A + k

1 = A + k...(1)

When <em>x</em> = 1, <em>y</em> = -1, which gives;

-1 = A·2¹ + k

-1 = 2·A + k...(2)

Subtracting equation (1) from equation (2) gives;

-1 - 1 = 2·A - A + k - k

-2 = A

1 = A + k, therefore;

1 = -2 + k

k = 2 + 1 = 3

k = 3

Which gives;

y = -2·2ˣ + 3 = 3 - 2·2ˣ

Learn more about the solutions to simultaneous equations here:

brainly.com/question/26310043

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3 0
1 year ago
I NEED THE ANWERS QUICK PLS THANK YOU
Troyanec [42]

Answer:

76 sqcm.

Step-by-step explanation:

2(5 x 2) + 2(5 x 4) + 2(4 x 2) = 2(10) + 2(20) + 2(8)
                                             =  20 + 40 + 16
                                             =  76

3 0
2 years ago
1) 3r² – 2r=-9<br> Quadratic formula
Nonamiya [84]

Answer:

Solving the equation 3r^2-2r=-9 using quadratic formula we get: \mathbf{ r=\frac{1+\sqrt{26}\:i}{3}\:or\: r=\frac{1-\sqrt{26}\:i}{3}}

Step-by-step explanation:

We need to solve the equation 3r^2-2r=-9 using quadratic formula.

The quadratic formula is: r=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

For the given equation: 3r^2-2r=-9

We can write it as: 3r^2-2r+9=0

We have a = 3, b= -2 and c=9

Putting values in quadratic formula and finding value of r

r=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\r=\frac{-(-2)\pm\sqrt{(-2)^2-4(3)(9)}}{2(3)}\\r=\frac{2\pm\sqrt{4-108}}{6}\\r=\frac{2\pm\sqrt{-104}}{6}\\We\:know\:that: \sqrt{-1}=i\\ r=\frac{2\pm\sqrt{26} \:i}{6}\\ r=\frac{2+2\sqrt{26}\:i}{6}\:or\: r=\frac{2-2\sqrt{26}\:i}{6}\\ r=\frac{2(1+\sqrt{26}\:i)}{6}\:or\: r=\frac{2(1-\sqrt{26}\:i)}{6}\\ r=\frac{1+\sqrt{26}\:i}{3}\:or\: r=\frac{1-\sqrt{26}\:i}{3}

So, solving the equation 3r^2-2r=-9 using quadratic formula we get: \mathbf{ r=\frac{1+\sqrt{26}\:i}{3}\:or\: r=\frac{1-\sqrt{26}\:i}{3}}

3 0
3 years ago
What’s the distance between -13 and -11 on a number line
kvasek [131]
The distance between-13 and -11 is 2 I believe
8 0
3 years ago
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