3 years ago

Expanded form of 99.438

Mathematics

1 answer:

liraira [26]3 years ago

3 0

Answer:

Xhkdxb

Step-by-step explanation:

Ninety nine and four hundred thirty eight thousandths

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Help please answer quickly if you answer i will mark you as the branniest

Deffense [45]

Answer:

Step-by-step explanation:

I think it is Italy and Spain. I am not hundred percent sure but I think it is Italy and Spain

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3 years ago

Solve the system of linear equations below by graphing. x-y=17 and 3x+y=3

soldier1979 [14.2K]

Answer:

x=5,y=-12

Step-by-step explanation:

You add the two equations to get: 4x=20

Then you get x=5.

You plug this in to x-y=17 to get y=-12

The answer is x=5 and y=-12

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3 years ago

Select all expressions that are equivalent to 64

pochemuha

Answer:

Step-by-step explanation:

What do you man what expressions or just expressions in general.

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4 years ago

Log5(x-1)+log5(x+3)-1=0

jonny [76]

Answer:

there are no real solutions

Step-by-step explanation:

$\log_5(x-1)+\log_5(x+3)-1=0\\\\\log_5(x-1)+\log_5(x+3)=1$

there is a rule that says

$\log_b(a)+\log_b(c)=\log_b(ac)$

so we have

$\log_5(x-1)+\log_5(x+3)=\log_5((x-1)(x+3))=1$

and we have the definition

$\log_a(b)=c\\\\a^{c} =b$

so we have

$5^{1} = (x-1)(x+3)\\\\5=x^{2} -1x+3x-3\\\\5=x^{2} +2x-3\\\\0=x^{2} +2x-3-5\\\\0=x^{2} +2x-8\\\\$

and using the quadratic formula we get that

there are no real solutions

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4 years ago

Read 2 more answers

What additional information is needed to prove the triangles congruent by AAS

Murljashka [212]

Answer:

pq=su

Step-by-step explanation:

its the only one that makes sense

8 0

3 years ago