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3 years ago

What is the axis of symmetry for y=-5x^2-10x-13

Mathematics

1 answer:

sergey [27]3 years ago

4 0

AOS is the x value of the vertex.
x = -b/2a
x = 10/2*-5
x = 10/-10
x = -1

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Step-by-step explanation:

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3 years ago

B + 5/14 ; b=5/7<br> Help, please

Anna [14]

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3 years ago

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konstantin123 [22]

Answer:

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Step-by-step explanation:

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2 years ago

GEOMETRY: PLEASE HELP!!

Aloiza [94]

Answer:

$GF=72$

Step-by-step explanation:

All triangles in the given figure are similar, from SAS. Notice that marked in the diagram, $CD=DE=EF=FA$ .

For triangle $\triangle CGF$ was base $GF$ , leg $CF$ contains three of these marked segments. In triangle $\triangle CHE$ with base $HE$ , leg $CE$ has two of these marked segments. By definition, similar polygons have corresponding sides in a constant proportion. Therefore, the length of GF must be $3/2$ the length of EH. Since the length of EH is given as 48, we have:

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2 years ago

Which algebraic expression represents the phrase below? five times the sum of a number and eleven, divided by three times the su

anyanavicka [17]

<u>The overall </u><u>algebraic expression</u><u> will be: </u> $\frac{5(x+11)}{3(x+8)}$ <u />

Definition of algebraic expression -

An expression obtained by a finite number of the fundamental operations of algebra upon symbols representing numbers.

Five times the sum of a number and eleven, divided by three times the sum of the number and eight.

Let the number be x.

Five times the sum of a number and eleven means 5 multiplied to the sum of x and 11. In expression this will be written as:

5(x + 11)

Three times the sum of the number and eight means 3 multiplied to the sum of x and 8. In expression this will be written as:

3(x + 8)

So, the overall <u>algebraic</u> expression will be: $\frac{5(x+11)}{3(x+8)}$

Learn more about algebraic expression

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1 year ago