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3 years ago

Square root of 25x plus 4 square root of x

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

4 0

$\sqrt{25x} +4 \sqrt{x} = \sqrt{5^2*x} +4 \sqrt{x} = 5\sqrt{x} +4 \sqrt{x} = 9\sqrt{x}$

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#Quality answer needed #No spam _/|\_

Rina8888 [55]

Answer:

Step-by-step explanation:

Given,

Cost price of the car when Arjun bought = ₹ 3,50,000

Cost price of that same car after 1 year = ₹ 3,70,000

So,

Amount of money increased on the car's price

= ₹ (3,70,000 - 3,50,000)

= ₹ 20,000

Therefore, 

Percentage of increase on the car's price

$= \frac{20000}{350000} \times 100$

[On Simplification]

$= \frac{2}{35} \times 100$

[On further Simplification]

= 5.7142......

= 5.71 (approx.)

Hence,

Percentage in increase of car's price was 5.71% (Ans)

7 0

2 years ago

Read 2 more answers

If g(x) = 3x + 8, find g-1(4)

arsen [322]

Answer:

$\frac{-4}{3}$ =g-1(4)

Step-by-step explanation:

x=3y+8 ---> y= $\frac{x-8}{3}$

y= $\frac{(4)-8}{3}$

$\frac{-4}{3}$

4 0

2 years ago

Please show your work with each expression. Simplify.

Alina [70]

(replace the variables) 6(9)-2(5)^2
(simplified) 54-10^2.... 54-100=-46

6 0

3 years ago

In December 2004, a report based on the National Survey on Drug Use and Health estimated that 20% of all Americans aged 16 to 20

o-na [289]

Answer:

542

Step-by-step explanation:

We are required to find the sample size at 98% confidence interval in this question

E = 0.04

P* = 20% = 0.20

n = p* x (1-p)(Zα/2÷E)²

α = 1 - 0.98

= 0.02

To get Critical value

= 0.02/2 = 0.01

The critical value at 0.01 is 2.33

Inserting values into formula:

O.2 x 0.8(2.33/0.04)²

= 0.8 x 0.2 x 58.25²

= 542.89

The value of n must be an integer therefore the answer is 542.

4 0

3 years ago

The total cost of four pens and seven mechanical pencils is $13.25. The cost of each pencil is 75 cents

Andre45 [30]

0.75$
0.75$
0.75$
0.75$
0.75$
0.75$
0.75$
+
----------
5.25$

v

13.25$ - 5.25$ = 8.00$

Since there's 8.00$ left, and there's fours pens, 8 / 4 = 2.00$

A pen cost 2.00.

6 0

3 years ago