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3 years ago

The water was pumped out of a backyard pond. What is the domain of this graph?

Mathematics

2 answers:

Elenna [48]3 years ago

8 0

In case of graph, for domain we consider all the x values.
Domain is all input values for which we get a real output or all possible x values for which we get real y values.
here from the graph we can see the possible x values are all real numbers from 0 to 6
So option B is correct.

nignag [31]3 years ago

6 0

The correct answer to your question is C.

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g Are the following statements true or false? 1. Any linear combination of vectors can always be written in the form Ax for a su

NISA [10]

Answer:

The statement is true that any linear combination of vectors can always be written in the form Ax for suitable matrix A and vector x.

Step-by-step explanation:

Let

a1x1 + a2x2 + a3x3 + ... + anxn = d1

b1x1 + b2x2 + b3x3 + ... + bnxn = d2

c1x1 + c2x2 + c3x3 + ... + cnxn = dn

be a linear system, and let

[a1 a2 a3 ... an][x1] = [d1]

[b1 b2 b3 ... bn][x2] [d2]

[. . . .

[c1 c2 c3 ... cn][xn] [dn]

be the augmented matrix of the linear system. The augmented matrix can be represented as Ax = d

Where A is the matrix of (a1, a2,...., an), x is (x1, x2, x3, ..., xn), and d = (d1, d2, d3,..., dn) .

The solution set to the linear system is the same as the solution set of Ax = d.

6 0

4 years ago

Which graph represents this equation 5y=x+5

myrzilka [38]

The Answer to the problem is D

8 0

3 years ago

The ending time is 8:22 P.M. and the elapsed time is 2 1/4 hours what’s the starting time?

murzikaleks [220]

Answer:

6:07

Step-by-step explanation:

8:22 minus 2 hours is 6:22, 1/4 an hour is 15 minutes so 22 minus 15 is 7, leading to the answer of 6:07 being your start time.

4 0

3 years ago

Geometry question, need help!

Anna35 [415]

Answer:

x = 7.5

Step-by-step explanation:

We first labelled the diagram we get

DC = 8

AD = 10

CE = 6

BE = x

∴ AC =AD + DC = 18

∴ BC = BE + ED = x + 6

To Find :

BE = x =?

Solution:

Let DE || AC

In Δ ABC and Δ DEC

∠A ≅ ∠D …………..{corresponding angles ∵ DE || AB }

∠B ≅ ∠E ..............{corresponding angles ∵ DE || AB }

∠C ≅ ∠C ……….....{Reflexive Property}

Δ ABC ~ Δ DEC ….{Angle-Angle-Angle Similarity test}

If two triangles are similar then their sites are in proportion.

$\frac{AB}{DE} =\frac{BC}{EC} =\frac{AC}{CD}\ \textrm{corresponding sides of similar triangles are in proportion}\\$

On substituting the given values we get

∴ $\frac{8}{18} = \frac{6}{6+x} \\\\8(6+x) = 6\times 18\\\\\textrm{using distributive property we get}\\48+8x=108\\8x=108-48\\x=\frac{60}{8}\\ \\x=7.5\\\\\therefore x =7.5$

4 0

4 years ago

What would the answer be

In-s [12.5K]

The answer would be
$4 \sqrt[5]{ {x}^{4} }$

4 0

3 years ago