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3 years ago

6

Match these items match the items in the left column to the items in the right column

1 answer:

Setler [38]3 years ago

5 0

1) Base
2) Exponent
3) Metric system

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What is Equivalent fractions using models

igomit [66]

Hello!

An equivalent fraction is a fraction that is equal to another but is just written different. For example 1/2 and 3/6. They are both one half of the whole. 3/6 is just put into smaller pieces, but they equal the same thing.

I hope this helps!

3 0

3 years ago

A lake is stocked with 1,500 young trout. If the number of the original trout alive after x years is given by the function P(x)=

musickatia [10]

The function $P(x)=1500e^{-0.4x}$ gives the number of the original trout alive after x years. When the number of the original trout alive is 300, then

$300=1500e^{-0.4x}$

Solve this equation:

$e^{-0.4x}=\dfrac{300}{1500},\\ \\e^{-0.4x}=\dfrac{1}{5},\\ \\-0.4x=\ln \dfrac{1}{5},\\ \\x=\dfrac{\ln \dfrac{1}{5}}{-0.4}\approx 4.024.$

Answer: after 4.024 year (or 5 year if round to the whole number of years)

7 0

3 years ago

Pls help in a middle of an exam

KIM [24]

Answer:

$\frac{2x^2+4x-9}{(2x-3)(2x+3)(x-1)}$

Step-by-step explanation:

$\frac{2x}{4x^2-9} + \frac{3}{2x^2+x-3}$ can be simplified to:
$\frac{2x}{(2x-3)(2x+3)}+\frac{3}{(2x+3)(x-1)}$

Make them have common denominators so:
$\frac{(2x)(x-1) +3(2x-3)}{(2x-3)(2x+3)(x-1)}$

Simplify:
$\frac{2x^2-2x+6x-9}{(2x-3)(2x+3)(x-1)} = \frac{2x^2+4x-9}{(2x-3)(2x+3)(x-1)}$

I don't think you can simplify that fraction further so that's the answer.

3 0

2 years ago

What is the product below expressed in scientific notation

aleksklad [387]

What is the product? I cannot help you if I don't know the product..

3 0

3 years ago

Equivalent ratios for 8:28

Tpy6a [65]

Answer:

8 : 28

x2 x2

16:56

Step-by-step explanation:

4 0

3 years ago