3 years ago

Write 3 equivalent ratios for 3/5

Mathematics

2 answers:

Doss [256]3 years ago

8 0

6/10
9/15
12/20 it should be it :)

pashok25 [27]3 years ago

4 0

I believe these might answer your question
6/10
9/15
12/20

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Matthew is using a microscope in science class. The microscope magnified the specimen 4x10^2 . If the specimen is 3cm long how l

choli [55]

Answer:

12 meters

Step-by-step explanation:

The apparent size is ...

(4·10^2)·(3 cm) = 12·10^2 cm = 12 m

___

1 m = 10^2 cm

5 0

3 years ago

PLEASE HELP! INVERSE QUESTION!

Katena32 [7]

Last one.

Hope this helps.

3 0

3 years ago

In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on th

Artemon [7]

Answer:

72.51

Step-by-step explanation:

Given that :

Lab score % = 23%

Each Major test % = 22.5%

Final exam % = 32%

Score :

Lab score = 96

First Major test = 64

Second major test = 62

Final exam = 69

Hence,

Weighted average = Σ(weight % * score)

Weighted average = Σweight_1*score_1 +.. Weight_n * score_n)

(0.23 * 96) + (0.225 * 64) + (0.225 * 62) + (0.32 * 69) = 72.51

3 0

2 years ago

PLS HELP

Katena32 [7]

Answer:

-30x^2-9x+12 all real numbers

Step-by-step explanation:

f(x) = -6x + 3 and g(x) = 5x + 4

f(x) * g(x) = (-6x + 3) * ( 5x + 4)

FOIL

= -30x^2 -24x+15x +12

Combine like terms

=-30x^2-9x+12

The domain is what numbers x can take

There are no restrictions so all real numbers

3 0

3 years ago

2. If x is directly proportional to y^3 and x=32 when y=2, i) Find an equation

svp [43]

Answer:

(i)

$x \alpha y {3} \\ \frac{x}{y {3} } = k$

(ii)

$\frac{x}{y {3}^{} } = \frac{x}{y {3}^{} } \\ \frac{32}{ {2}^{3} } = \frac{x}{6 {}^{3} } \\ \frac{32}{8} = \frac{x}{216} \\ x = 864$

(iii)

$\frac{32}{8} = \frac{108}{y {}^{3} } \\ {y}^{3 } = 27 \\ y = \sqrt[3]{27 } \\ y = 3$

3 0

3 years ago