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3 years ago

Can the sides of a triangle have lengths 1, 4, and 7?

Mathematics

2 answers:

dedylja [7]3 years ago

7 0

Yes it can be it can be may real number.

Nadusha1986 [10]3 years ago

3 0

Answer:

Step-by-step explanation:

No because the measure of two sides are always greater than the third side

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Use the quadratic formula to solve x - 5x+3 = 0.

antoniya [11.8K]

Answer:

(D) $\begin{array}{*{20}c} {x=\frac{{ 5 \pm \sqrt {13} }}{{2}}} \end{array}$

Step-by-step explanation:

The quadratic formula is:

$\begin{array}{*{20}c} {\frac{{ - b \pm \sqrt {b^2 - 4ac} }}{{2a}}} \end{array}$

Assuming that a is our x² term, b is our x term, and c is the constant, we can substitute inside the equation.

$\begin{array}{*{20}c} {\frac{{ - (-5) \pm \sqrt {5^2 - 4\cdot1\cdot3} }}{{2\cdot1}}} \end{array}$

$\begin{array}{*{20}c} {\frac{{ 5 \pm \sqrt {25 - 12} }}{{2}}} \end{array}$

$\begin{array}{*{20}c} {\frac{{ 5 \pm \sqrt {13} }}{{2}}} \end{array}$

So the answer is D, $\begin{array}{*{20}c} {x=\frac{{ 5 \pm \sqrt {13} }}{{2}}} \end{array}$ .

Hope this helped!

3 0

3 years ago

Lynne used 3/8 cup of flour and 1/3 cup of sugar in a recipe. what number is a common denominator for 3/8 and 1/3?

Aleks04 [339]

The common denominator is 24 (8 times 3 is 24)

6 0

3 years ago

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What is the image of the point (-7,-8)(−7,−8) after a rotation of 270 counterclockwise about the origin?

patriot [66]

Answer:

A' (8,-7)

B' (8,-7)

When rotating a point 270 degrees counterclockwise about the origin our point A(x,y) becomes A'(y,-x). This means, we switch x and y and make x negative

Step-by-step explanation:

Hope this helps! （づ￣3￣）づ╭❤～

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3 years ago

Find the greatest number which divides 125 and 245 leaving remainder 4and3 respectively.

marusya05 [52]

4 would be the greatest number o-o

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3 years ago

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What are the solutions to x2 -8x =13

Monica [59]

X2 - 8x + 16 = 13 + 16
(x - 4)^2 = 29
x - 4 = sr(29)
x = 4 +- sr(29)

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3 years ago

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