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Kobotan [32]
3 years ago
7

Please answer as soon as possible!!

Mathematics
1 answer:
harkovskaia [24]3 years ago
6 0

Answer:

2.29

Step-by-step explanation:

First determine the square root of 17.8

√17.8 = 4.22

second, determine the value of 1.3^{2.5} = 1.93

subtract 1.93 from 4.22

4.22 - 1.93 = 2.29

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what is the molariry of a solution that contains 1.22 mol of hydrogen chloride if the total volume of the solution is 1,251 mL?
hichkok12 [17]

Your molarity would be 0.975 M HCl because it’s moles of solute divided by liters of solvent

7 0
3 years ago
Read 2 more answers
Please help I’ll mark you as brainliest if correct!
schepotkina [342]
Increases by +2
Its arithmetic
Sixth number would be 17+2=19
Seventh is 19+2=21
Eighth is 21+2=23

6 0
2 years ago
Read 2 more answers
If PQR ~ UTV, find the value of x.
user100 [1]

The value of x is 15.

Solution:

Given ΔPQR \sim ΔUTV.

<em>If two triangles are similar, then the corresponding parts are congruent.</em>

$\Rightarrow \frac{PR}{UV} =\frac{RQ}{VT}

$\Rightarrow \frac{14}{x + 6} =\frac{8}{x -3}

Do cross multiplication, we get

⇒ 14(x - 3) = 8(x + 6)

⇒ 14x - 42 = 8x + 48

Add 42 on both sides.

⇒ 14x = 8x + 90

Subtract 8x on both sides.

⇒ 6x = 90

Divide by 6 on both sides.

⇒ x = 15

The value of x is 15.

5 0
3 years ago
Can anyone help not understanding? And can you explain how you got it. Thanks for all your help!
Allushta [10]
No, the height wouldn't be 70 feet, it would be 80 feet.

You would get this answer by using the equation h= A/b (h meaning height)
A = area ( or 20,000)
b= base ( or 250)

Then you divide A by b:
20,000/ 250 = 
80

I hoped this helped! :)

8 0
3 years ago
Please help thank you
ioda
<h2>Here </h2>

Tan65°=<u>h/</u><u>7</u><u>5</u><u>m</u>

<u> </u><u>2</u><u>.</u><u>1</u><u>4</u><u>4</u><u>5</u><u> </u><u>×</u><u> </u><u>7</u><u>5</u><u> </u><u>=</u><u> </u><u>h</u>

<u>h </u><u>=</u><u> </u><u>1</u><u>6</u><u>0</u><u>.</u><u>8</u><u>3</u>

Step-by-step explanation:

This is very very simple

6 0
2 years ago
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