Help me please >.< ---------------------

Answers

Answer 1

Answer: 10.

8x + 40 -2x +20 = 96 => 6x + 60 =96 => 6x = 36 => x = 6.

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What are the explicit equation and domain for a geometric sequence with a first term of 2 and a second term of −8? an = 2(−8)n − 1; all integers where n ≥ 1 an = 2(−8)n − 1; all integers where n ≥ 0 an = 2(−4)n − 1; all integers where n ≥ 0 an = 2(−4)n − 1; all integers where n ≥ 1

Answers

Hello,

The question is
"What are the explicit equation and domain for a geometric sequence with a first term of 2 and a second term of −8?"

It is a geometric sequence =>U(2)=U(1)*r==>-8=2*r ==>r=-4

U(1)=2=2*(-4)^0
U(2)=-8=2*(-4)=2*(-4)^1
U(3)=32=-8*(-4)=2*(-4)(-4)=2*(-4)^2
U(4)=-128=32*(-4)=2*(-4)^3
...
U(n)=2*(-4)^(n-1) where n>=1.

Answer C

How do you divide the decimal number 25.5/0.05

Answers

25.5/0.05 = 25 1/2 : 5/100
= 51/2 : 5/100
= 51/2 x 100/5
= 5100/10 = 510

Could you guys help me and explain them please.Directions: Define a variable and write an inequality to model each situation. You must show all work to receive full credit. (1 point for defining the variable, 1 point for a correct inequality)
Example:
A truck can tow at most 12,000 lbs.
Let t represent the amount that the truck can tow.
t ≤ 12,000

8. The restaurant can seat at most 172 people.

9. A person must be at least 35 years old to be elected president.

10. A law clerk earned more than $20,000 since being hired.

11. A local pizzeria offered a special. Two pizzas cost $14.99. A group of students spent less than $75. They purchased three pitchers of soda for $12.99. How many pizzas could the group purchase? (1 point for writing an inequality to represent this situation, 1 point for determining how many pizzas could be purchased)

Answers

8. The restaurant can only seat 172 people, so the equation would be s ≤ 172 ( s = amount of seating). So, s has to be less than or equal to 172.
9. The person has to be at the least 35 years old, so the equation would be p ≥ 35 (p = person running for president). So the person would have to be equal to or older than 35.
10. Okay, so the person made any number greater than $20,000, so the equation is c > $20,000 ( c = law clerk) because it has to be bigger than $20,000.
11. So the equation for how much they spent is s < $75 ( s = students). But since they spent at least $12.99, the equation for pizzas purchased would be $12.99 < p < $75 (p = pizzas) because it would have to be between $12.99 and $75.

What is a rational number between the two given numbers?
8/13 and 7/10.

Answers

to find the rational number inbetween those 2 numbers you have to find the average, so 8/13 plus 7/10= 1.315384615384615, than divide that by 2 which equals 0.657692307692308 (0.658 rounded)

0.648 is the rational number inbetween 8/13 and 7/10

Solve the Equation 70 = -7(-2 - 2z)
z = 4
z = -28
z = -112
z = 784

Answers

70 = -7 (-2 - 2z)

First, divide both sides by -7. / Your problem should look like: $(70)/(-7)$ = -2 - 2z
Second, simplify $(70)/(-7)$ to $- (70)/(7)$ / Your problem should look like: $-(70)/(7)$ = -2 - 2z
Third, simplify $(70)/(7)$ to get 10. / Your problem should look like: -10 = -2 - 2z
Fourth, add 2 to both sides. / Your problem should look like: -10 + 2 = -2z
Fifth, simplify -10 + 2 to get -8. / Your problem should look like: -8 = -2z
Sixth, divide both sides by -2. / Your problem should look like: $(-8)/(-2)$ = z
Seventh, simplify $(-8)/(-2)$ to $(8)/(2)$ / Your problem should look like: $(8)/(2)$ = z
Eighth, simplify $(8)/(2)$ to get 4. / Your problem should look like: 4 = z
Ninth, switch your problem around. / Your problem should look like: z = 4

Answer: z = 4

The solution of expression is,

⇒ z = 4

We have to give that,

An expression to solve is,

⇒ 70 = - 7 (- 2 - 2z)

Now, Simplify the expression as,

⇒ 70 = - 7 (- 2 - 2z)

Divide both sides by 7,

⇒ 70/ 7 = - 7 (- 2 - 2z)/7

⇒ 10 = - 1 (- 2 - 2z)

Apply distributive property,

⇒ 10 = 2 + 2z

Subtract 2 on both sides,

⇒ 10 - 2 = 2z

⇒ 2z = 8

Divide on both sides by 2,

⇒ z = 8/2

⇒ z = 4

Therefore, The solution is,

⇒ z = 4

To learn more about the mathematical expression visit:

brainly.com/question/1859113

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Can you guys help me thankiess i really did it right now plsplsplspsls thankyou so muchhhh.