Need assistance please thanks.

6) Solve for x. 2/3 (x + 7) = 10 A)22 B)8 C)- 1 /3 D)41/ 3

Amiraneli [1.4K]

For this case we must find the value of the variable "x" of the following equation:

$\frac {2} {3} (x + 7) = 10$

We multiply by 3 on both sides of the equation:

$2 (x + 7) = 30$

We divide between 2 on both sides of the equation:

$(x + 7) = 15\\x + 7 = 15$

We subtract 7 on both sides of the equation:

$x = 8$

Answer:

Option B

7 0

3 years ago

Use a Taylor series to approximate the following definite integrals. Retain as many terms as needed to ensure the error is less

Nimfa-mama [501]

Answer:

I= 0.40102036

Step-by-step explanation:

∧ = raise to power

Given the equation

F(x) = √x² + 1.0

Now recalling the Taylor Series in respect to the approximation for degree n at x = a....

Therefore, it is given by :

f(x) = f(a) + f° (a) ((x - a)) + ( 1/2) f°° (a)((x -a)² + .....(1/n!) f∧n (a) ((x - a) ∧ n

Referring back to the Taylor Series

f(x) = - x ∧8/8 + x ∧ 4/2 + 1

If we integrate the Taylor series, we get,

f°(x) = - x ³*³/72 + x∧5/10 + x

At this point, we apply limit (lim) to the integrals

I = ∫ lim(0.4) (0) f(x) dx

I = ∫ (- x ∧8/8 + x ∧ 4/2 +1)dx

I = [ ( -x³*³/72 + x∧5/10 +x)]lim(0.4) lim(0)

The final answer then is:

I= 0.40102036

4 0

3 years ago

Can someone please take some time to help me? I would really appreciate it. Thank you very much.

san4es73 [151]

Answer:

5 single rolls or 3 double rolls.

Step-by-step explanation:

Ignoring doors and windows, we need to find the lateral surface ares. We are not papering the ceiling or floor.

The lateral surface areas = P*h

= 2(l+w) * h

= 2(10+12) * 8

= 2(22)*8

=352 ft^2

A single roll covers 72 ft^2 so we divide the number of ft^2 that we need (352^2) by the amount of a single roll

352/72 =4.88888(repeating)

Rounding up since we need to buy in full rolls.

We will need 5 rolls

Assuming a double roll will cover twice that of a single roll

2*72 = 144 ft^2

Take 572/144 =2.4444444

Rounding up since we need to buy in full rolls.

We will need to buy 3 double rolls

6 0

4 years ago

What is X^2 ÷ x^2+5x+6

Nata [24]

Answer: Your Answer To This Problem Is 5x + 7 (:

Step-by-step explanation: x^2 / x^2 + 5x + 6 = 5x^3 + 7x^2 / X^2 = 5X + 7 (:

Hope I Helped!!!!!

3 0

4 years ago

Of Canada's total area of 9,976,140 km² , 755,170 km² is water. To the nearest tenth of percent, what part of Canada is water?

algol13

Answer:

755170/9976140 x 100

= 7.56976 %

= 8 % or (to the nearest 10th 10%) of Canada

Step-by-step explanation:

5 0

3 years ago