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2 years ago

Please help me thanks a lot

Mathematics

2 answers:

Harman [31]2 years ago

7 0

Answer:

Step-by-step explanation:

Plot your point at (-9,0) then draw your line with your slope (plot some other points first). Using algebra rearrange your y=mx+b formatted equation.

y=-5/3x-15, 3y = -5x - 45, 5x + 3y = -45

Aleksandr [31]2 years ago

7 0

C is the answer to this

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The lengths of a certain species of beetles are normally distributed with a mean of 1.9 centimeters and a standard deviation of

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Answer:

The z-score of a beetle with a length of 2.38 centimeters is 2.4

Step-by-step explanation:

As we know,

z = (x - µ)/σ

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µ is the mean length

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Substituting the given values in above equation, we get

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2 years ago

How many times greater is 6.6 * 10^10 than 3 * 10^7

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3 years ago

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Step-by-step explanation:

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The hypotenuese of an isosceles right triangle is 13 inches. The midpoints of its sides are connected to form an inscribed trian

Georgia [21]

Answer:

The Sum of the areas of theses triangles is 169/3.

Step-by-step explanation:

Consider the provided information.

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Therefore,

$x^2+x^2=169\\2x^2=169\\x=\frac{13}{\sqrt{2} }$

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Therefore the area is: $A=\frac{169}{4}$

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$S=\frac{a}{1-r}$

Substitute $a=\frac{169}{4} \ and\ r=\frac{1}{4}$ in above formula.

$S=\frac{\frac{169}{4}}{1-\frac{1}{4}}$

$S=\frac{\frac{169}{4}}{\frac{3}{4}}$

$S=\frac{169}{3}$

Hence, the Sum of the areas of theses triangles is 169/3.

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2 years ago