4 years ago

Simplify

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Mathematics

2 answers:

strojnjashka [21]4 years ago

7 0

4 root 2 I think the answer is

vladimir1956 [14]4 years ago

6 0

Answer:

sqrt(16*2)

4sqrt(2) is the solution

Step-by-step explanation:

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Find the length of the arc intercepted by central angle 0 = 250° in a circle with radius r =

andrew11 [14]

Answer:

Step-by-step explanation:

4 0

4 years ago

Has anyone done IXL N.2 for 7th grade I need help!!

alina1380 [7]

Answer:

22.5 or 22 1/2 yards

Step-by-step explanation:

71.50 + 52.25 = 123.75

123.75 ÷ 5.50 = 22.5

5 0

3 years ago

Slope is 1 and (-2,-1)is on the line

saul85 [17]

Y=mx+b
-1=-2+b
b=-1+2
b=1

y=x+1 <----------------

5 0

4 years ago

Tickets to a concert cost $2 for children, $3 for teenagers and $5 for adults. When 570 people attended the concert, the total t

Ilia_Sergeevich [38]

Answer: 220

Step-by-step explanation:

Children (x): $2

Teens (y): $3, $\frac{3}{4}x$

Adults: (z): $5

Quantity: x + y + z = 570 ⇒ x + $\frac{3}{4}x$ + z = 570 ⇒ 1.75x + z = 570

Cost: 2x + 3y + 5z = 1950 ⇒ 2x + 3 $(\frac{3}{4}x)$ + 5z = 1950 ⇒ 2x + 2.25x + 5z = 1950 ⇒ 4.25x + 5z = 1950

Qty: 1.75x + z = 570 → 5(1.75x + z = 570) → 8.75x + 5z = 2850

Cost: 4.25x + 5z = 1950 → -1(4.25x + 5z = 1950 → -4.25x - 5z = -1950

4.50x = 900

x = 200

Teens (y): $\frac{3}{4}x$

y = $\frac{3}{4}(200)$

= $\frac{600}{4}$

= 150

Quantity: x + y + z = 570

200 + 150 + z = 570

350 + z = 570

z = 220

6 0

3 years ago

use analytic methods to find the extreme values of f(x)= (1/x) + lnx on the interval 0.5 ≤ x ≤ 4 and where they occur

natali 33 [55]

F(x) = (1/x) + ln x
At the extreme values, f'(x) = 0
f'(x) = -1/x^2 + 1/x = 0
(x - 1)/x^2 = 0
x - 1 = 0
x = 1

f(1) = 1/1 + ln 1 = 1

Therefore, the extereme value is 1 and occurs at x = 1.

6 0

4 years ago