2 years ago

When solving an equation, Anne's first step is shown below. Which property justifies Anne's first step?

Mathematics

1 answer:

andrey2020 [161]2 years ago

8 0

Answer:

no property

Step-by-step explanation:

Name the property used: no property

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In a group of 20 students, 1 studies both Art and Biology.

k0ka [10]

Answer:

1/12

Step-by-step explanation:

Total number is 20.

<u>Distribution is:</u>

Art + Biology = 1
Biology = 1
Neither = 7

The rest = 20 - 9 = 11, the Art students

Total number of Art students becomes 12

<u>The probability would be then:</u>

1/12

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2 years ago

Solves 7/4 =3/x Round to the nearest tenth.

djyliett [7]

Answer:

x = 12/7 or 1.7

Step-by-step explanation:

first, cross multiply to get 7x = 12. then, divide 12 by 7 to get 12/7, which can be simplified and rounded to 1.7.

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3 years ago

A farmer can spend no more than $4,000 on fertilizer and seeds. The fertilizer costs $2 per pound and seeds cost $20 per pound.

LUCKY_DIMON [66]

Answer:

The graph in the attached figure

Step-by-step explanation:

Let

f -----> the number of pounds of fertilizer

s ----> the number of pounds of seeds

we know that

The inequality that represent the situation is

$2f+20s\leq 4,000$

using a graphing tool

see the attached figure

The solution is the triangular shaded area

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8x means it’s divided by 5x +9

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The difference between an observational study and an experiment is that

lorasvet [3.4K]

Answer:

I think it's the last one! In an experiment, one group is studied over a short period of time---

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