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3 years ago

I need help with Number 12 is heard

Mathematics

2 answers:

tia_tia [17]3 years ago

8 0

Answer:

its d

Step-by-step explanation:

you set it up like a fraction then you cross multiply then divide which is 6 then you add 8+6=14

x 75

--- -----

8 100

ira [324]3 years ago

3 0

Answer: The answer is D

Step-by-step explanation:

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A sample of iron ore has a density of 7.87 what is its mass? Show all of your work. If it measures 7.5 cm x 2.53 em x 7.15 cm,

mr_godi [17]

Answer:

Mass=1068gr

Step-by-step explanation:

Volume= 7.5 cm x 2.53 cm x 7.15 cm=135.7cm^3

Density=7.87gr/cm^3

Mass=Density*Volume=135.7*7.87=1068gr

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3 years ago

The following data show the prices of different types of outfits at a store:

cricket20 [7]

Answer:

A) The box plot will be symmetrical because there are no exceptionally high or low prices.

Step-by-step explanation:

If they were made into a box plot, it would be almost, if not perfectly symmetrical because it is pretty balanced.

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4 years ago

Two supplementary angles are in the ratio 3 1 : 5 find both angles

Zielflug [23.3K]

The two angles are 155 degrees and 25 degrees

<h3><u>Solution:</u></h3>

Given that two supplementary angles are in ratio 31 : 5

Let the first angle be 31a

Let the second angle be 5a

Two Angles are Supplementary when they add up to 180 degrees.

Therefore,

first angle + second angle = 180 degrees

$31a + 5a = 180\\\\36a = 180\\\\a = \frac{180}{36}\\\\a = 5$

<em><u>Therefore the angles are:</u></em>

first angle = 31a = 31(5) = 155 degrees

second angle = 5a = 5(5) = 25 degrees

Thus the two angles are 155 degrees and 25 degrees

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3 years ago

Four calculators cost $160 the Unit rate

Agata [3.3K]

The unit rates is $40 $160 divides by 4 calculators gets you $40

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3 years ago

What is the product of 5.61 and 0.15

iren [92.7K]

Answer:

0.8415 :)

Step-by-step explanation:

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4 years ago