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2 years ago

WILL MARK BRAINLIEST!! please answer all questions

Mathematics

1 answer:

lana66690 [7]2 years ago

7 0

Answer:

1a) −24x^4−52x^3+198x^2+126x−325

2a) 14x^2+7x−41

3a) 30x^3+9x^2+32x−7

Step-by-step explanation:

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What is 5/4, 1 8/25, and 1.3 in least to greatest

stiks02 [169]

$\text{Hey there!}$

$\dfrac{5}{4}, 1\dfrac{8}{25}, \&\ 1.3$

$\text{Least}\rightarrow \text{greatest}$

$\dfrac{5}{4} = 1.25$

$1\dfrac{8}{25}=\dfrac{33}{25}= 1.32$

$\text{1.3 =}\dfrac{13}{10}$

$\text{Now, that we simplified the fraction to a decimal/ decimal to a fraction}\\\text{we can solve for the answer you're looking for!}$

$\boxed{\bf{Answer: \dfrac{5}{4}}\rightarrow1.3\rightarrow 1\dfrac{8}{25}}\checkmark$

$\text{Good luck on your assignment and enjoy your day!}$

~ $\frak{LoveYourselfFirst:)}$

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2 years ago

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svetlana [45]

The student went wrong in step three. the solutions should have been -3 and 5

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2 years ago

NEED URGENT HELP 50 POINTS MATH EQUATION PLEASE NO POINT STEAL!

Degger [83]

Answer:

2 is the number of dollars per seed.

6 is the number of lettuce seeds bought.

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word expression: two dollars multiplied by six plus seven packets of seeds.

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3 years ago

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Help me with question a please ! With full workings !

frosja888 [35]

A)

$\bf \textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
Q&({{ 0}}\quad ,&{{ 2}})\quad 
% (c,d)
P&({{ 0.5}}\quad ,&{{ 0}})
\end{array}\qquad 
% distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}$

$\bf QP=\sqrt{(0.5-0)^2+(0-2)^2}\implies QP=\sqrt{0.5^2+2^2}
\\\\\\
QP=\sqrt{\left( \frac{1}{2} \right)^2+4}\implies QP=\sqrt{ \frac{1^2}{2^2}+4}\implies QP=\sqrt{\frac{1}{4}+4}
\\\\\\
QP=\sqrt{\frac{17}{4}}\implies QP=\cfrac{\sqrt{17}}{\sqrt{4}}\implies QP=\cfrac{\sqrt{17}}{2}$

b)

since QR=QP, that means that QO is an angle bisector, and thus the segments it makes at the bottom of RO and OP, are also equal, thus RO=OP

thus, since the point P is 0.5 units away from the 0, point R is also 0.5 units away from 0 as well, however, is on the negative side, thus R (-0.5, 0)

c)

what's the equation of a line that passes through the points (-0.5, 0) and (0,2)?

$\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
Q&({{ 0}}\quad ,&{{ 2}})\quad 
% (c,d)
R&({{ -0.5}}\quad ,&{{ 0}})
\end{array}
\\\\\\
% slope = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{0-2}{-0.5-0}\implies \cfrac{-2}{-0.5}$

$\bf m=\cfrac{\frac{-2}{1}}{-\frac{1}{2}}\implies \cfrac{-2}{1}\cdot \cfrac{2}{-1}\implies 4
\\\\\\
% point-slope intercept
y-{{ y_1}}={{ m}}(x-{{ x_1}})\implies y-2=4(x-0)\implies y=4x+2\\
\left. \qquad \right. \uparrow\\
\textit{point-slope form}$

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3 years ago

PLEASE HELPPPP!! The options are <br> DC= AB<br> AC=AC

Rom4ik [11]

Answer:

the 1st one

Step-by-step explanation:

because A<C are the only angle ur missing.

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2 years ago

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