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3 years ago

Can someone please help with 25 , please put the way you got it. Please no links it’s serious

Mathematics

1 answer:

user100 [1]3 years ago

5 0

Answer:

X * 0.8 = $64

x = $80

Step-by-step explanation:

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What is the value of x in the equation 3x-4y =65, when y = 4? i will gift brainliest

Elenna [48]

Answer:

3x-4y=65

3x=65+4y

x=(65+4y)/3, when y=4

x=(65+4*4)/3

x=(65+16)/3

x=81/3

x=27

5 0

3 years ago

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A lighthouse has a shadow that is 36 feet long. Zara is 4 feet tall, and she is standing next to the lighthouse. Zara has a shad

pychu [463]

Answer:

48 feet

Step-by-step explanation:

At a particular time, objects and their shadows are proportionate.

Therefore, in figure,

AB/FD = BC/DE --- (1)

where AB is the height of the lighthouse, BC, its shadow and FD is the height of Zara and DE is her shadow.

From the given information,

BC = 36 feet

FD = 4 feet and DE = 3 feet

(1) becomes

AB/4 = 36/3

AB = 12

AB = 48

Hence, the height of the lighthouse is 48 feet.

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3 years ago

How may shells does Joshua have?

Tpy6a [65]

24, since 54-30 is 24, and 30+24 is 54.

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3 years ago

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Heyguys can soeom plzz help meee?? IDK how to do this!! 20 Points? plz write all details of the problem plzz!

marin [14]

Answer:

The distance travelled is 7.98×10³ miles.

Step-by-step explanation:

Given that the formula to find distance is Distance = Speed×Time. Then you have substitute the values into the formula :

$distance = speed \times time$

Let speed = 5.7×10²,

Let time = 1.4×10¹,

$d = (5.7 \times {10}^{2} ) \times (1.4 \times 10)$

$d = (5.7 \times 1.4) \times ( {10}^{2} \times 10)$

$d = 7.98 \times {10}^{3} miles$

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4 years ago

Find the area of the figure

boyakko [2]

Answer:

800

Step-by-step explanation:

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3 years ago