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3 years ago

Which list is in order from least to greatest?

Mathematics

2 answers:

marin [14]3 years ago

6 0

1.25 x 10^-2

1.94 x 10^-5

stepan [7]3 years ago

5 0

1s 4th 3rd 2nd is the correct answer

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What does 9(3j-6) equal?

Bezzdna [24]

9(3j-6) = 27j - 54

<span>Note: a(b-c) = ab - ac</span>

8 0

3 years ago

260 weeks equal how many years

sattari [20]

5 years equals 260 weeks

3 0

3 years ago

Read 2 more answers

What is the volume to the composite figure.

yarga [219]

Answer:

462 $cm^{3}$

Step-by-step explanation:

Rectangular Prism: 7 x 8 x 6 = 336

Triangular Prism: (0.5 x 7 x 6) x 6 = 126

336 + 126 = 462

5 0

2 years ago

Marco is 8 years younger than his brother Paolo. If their product of their ages is 105, how old is Marco? plz help

Nina [5.8K]

Answer:

Marco's age is 7 years old

Step-by-step explanation:

Let

x ----> Marco's age

y ----> Paolo's age

we know that

$x=y-8$ ----> $y=x+8$ ----> equation A

$xy=105$ ----> equation B

substitute equation A in equation B

$x(x+8)=105$

$x^2+8x-105=0$

Solve the quadratic equation

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^2+8x-105=0$

$a=1\\b=8\\c=-105$

substitute in the formula

$x=\frac{-8(+/-)\sqrt{8^{2}-4(1)(-105)}} {2(1)}$

$x=\frac{-8(+/-)\sqrt{484}} {2}$

$x=\frac{-8(+/-)22} {2}$

$x=\frac{-8(+)22} {2}=7$

$x=\frac{-8(-)22} {2}=-15$

Remember that the solution cannot be a negative number

The solution is x=7

therefore

Marco's age is 7 years old

4 0

3 years ago

Which system of equations below will have infinite solutions?

ipn [44]

Answer:

All

Step-by-step explanation:

Because there are no equations for them so for all we know they all could have infinite solutions.

5 0

2 years ago