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11Alexandr11 [23.1K]

2 years ago

9

Are the roots equal or unequal ?

TexFormula1" title="x {}^{2} - 6x + 9 = 0" alt="x {}^{2} - 6x + 9 = 0" align="absmiddle" class="latex-formula">

1 answer:

vesna_86 [32]2 years ago

3 0

This can be factored as (x-3)^2, so they are equal

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sattari [20]

Answer:

Step-by-step explanation:

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When two numbers raised to a power are multiplied, their exponents are added

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Converting measures 48ft= yd

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Indicate the equation of the given line in standard form. The line through (2, -1) and parallel to a line with slope of 3/4

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Well, for a line with a slope of 3/4, any other parallel line to it, will also have the same slope of 3/4

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$\bf \begin{array}{lllll}
&x_1&y_1\\
% (a,b)
&({{ 2}}\quad ,&{{ -1}})\quad 

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slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{3}{4}
\\\\\\
% point-slope intercept
y-{{ y_1}}={{ m}}(x-{{ x_1}})\qquad 
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\textit{plug in the values for }
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3 years ago

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A 100 lb person will weight 40 lb on Mars

Step-by-step explanation:

Given:

Weight on Mars directly varies as its weight on earth.

Let weight on Mars be = $M$

Let weight on Earth be = $E$

Its known that:

$M$ ∝ $E$

Thus

$M=kE$

where $k$ is constant of proportionality.

when $E=95\ lb$ , then $M=38\ lb$

thus, we have

$38=k(95)$

dividing both sides by 95.

$\frac{38}{95}=\frac{k(95)}{95}$

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Thus when $E= 100$ , $M$ would be calculated as

$M=\frac{38}{95}\times 100$

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∴ A 100 lb person will weight 40 lb on Mars.

8 0

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