3 years ago

3 numbers between 80 and 90 that are semi prime

Mathematics

1 answer:

MA_775_DIABLO [31]3 years ago

5 0

The 3 numbers: 83, 87 and 89

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What is the area of this triangle in the coordinate plane?

Andrews [41]

Answer:

B. 27.5

Step-by-step explanation:

1/2 (b x h)

B (Base) = 11

H (Height) = 5

1/2 (11 x 5)= 27.5

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3 years ago

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Simply<br> (2k-9)^2+(k+2)^2=(2k+1)^2+(k-8)^2

vova2212 [387]

The square of a binomial expands as follows:

$(a+b)^2=a^2+2ab+b^2$

Expanding all the binomials, we have

$4k^2-36k+81+k^2+4k+4=4k^2+4k+1+k^2-16k+64$

Sum like terms:

$5k^2-32k+85=5k^2-12k+65$

Simplify terms appearing on both sides:

$-32k+85=-12k+65$

Move all terms involving k to the left and all numbers to the right:

$-20k=-20$

Divide both sides by -20:

$k=1$

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3 years ago

What are the domain and the range of this function?

Pani-rosa [81]

Answer:

(1,5) (-5,-4)

Step-by-step explanation:

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2 years ago

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For the following exercises, find a formula for an exponential function that passes through the two points given. (0,6) and (3,7

kirill [66]

$\boxed{\boxed{f(x)=6(5)^x}}$

<h2>Explanation:</h2>

An exponential function is given by the following form:

$y=ab^x \\ \\ Where: \\ \\ a \ is \ a \ constant \ and \ b \ is \ the \ base$

Here we know two points:

$(0,6) \ and \ (3,750)$

$\bullet \ (0,6) \\ \\ x=0, \ y=6 \\ \\ 6=ab^0 \\ \\ \boxed{a=6} \\ \\\ \\ \bullet \ (3,750) \\ \\ x=3, \ y=750 \\ \\ 750=6b^3 \\ \\ b^3=\frac{750}{6} \\ \\ b=\sqrt[3]{125} \\ \\ \boxed{b=5}$

Finally, our exponential function is:

$\boxed{\boxed{f(x)=6(5)^x}}$

<h2>Learn more:</h2>

Behavior of functions: brainly.com/question/12891789

#LearnWithBrainly

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3 years ago

Please help!!!!me!!!!!!

stich3 [128]

Answer:

y= 163 because of vertical angle

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3 years ago

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