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2 years ago

PLSSS HELP IF YOU TURLY KNOW THISS

Mathematics

2 answers:

nata0808 [166]2 years ago

7 0

Answer:

$\frac{0.2x + 1}{7} = 0.4 \\ 0.2x + 1 =0.4 \times 7 \\ 0.2x + 1 = 2.8 \\ 0.2x = 2.8 - 1 \\ 0.2x = 1.8 \\ x = \frac{1.8}{0.2} \\ \boxed{x = 9}$

<u>x</u><u> </u><u>= 9</u> is the right answer.

emmainna [20.7K]2 years ago

6 0

Answer:

Step-by-step explanation:

0.2x+1/7=0.4

multiply 7 on both sides.

you get….

0.2x+1=2.8

Minus 1 on both sides.

0.2x= 1.8

divide .2 on both sides

x=9!

I hope you get it!!

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3 years ago

Tanisha's website had x visitors on Friday. On Saturday, it had 500 more visitors than it did on Friday. The total

liq [111]

If the number of visitors on Friday, Saturday, and Sunday is x, x + 500, and x + 250. Then the total number of visitors will be 3x + 750.

<h3>What is Algebra?</h3>

Algebra is the study of mathematical symbols, and the rule is the manipulation of those symbols.

Tanisha's website had x visitors on Friday.

On Saturday, it had 500 more visitors than it did on Friday. That is x + 500

The total number of visitors on Friday and Saturday was twice the number on Sunday. That is (2x + 500)/2

Then the total number of the visitors will be

→ Friday + Saturday + Sunday

Then we have

$\rm \rightarrow x + x + 500 + \dfrac{2x + 500}{2}\\\\\rightarrow 2x + 500 + x + 250\\\\\rightarrow 3x + 750$

More about the Algebra link is given below.

brainly.com/question/953809

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1 year ago

The angle of depression from the top of a cruise ship to the top of a sailboat is 22. Sitting above water, the cruise ship is 23

dusya [7]

Answer:

The distance between the cruise ship and the sail boat is 517 feet.

Step-by-step explanation:

The cruise ship is 236 feet tall, and the sailboat is 236 tall; this means the distance between the top of the cruise ship and the top of the sail boat is

236 feet - 27 feet = 209 feet.

We also know that the angel of depression from the top of the cruise ship to the bottom of the cruise ship is 22°. This forms a right triangle as shown in the figure attached.

Now from trigonometry we get:

$tan \: \theta = \dfrac{209}{d}$

$d= \dfrac{209}{tan\:\theta }$

$\boxed{d=517ft}$

The distance between the cruise ship and the sailboat is 517 feet.

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2 years ago