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maw [93]
3 years ago
6

-8x+5-2x-4+5x when x=2

Mathematics
2 answers:
julia-pushkina [17]3 years ago
7 0

Answer:

-9

Step-by-step explanation:

Just substitute in 2 for x

-8(2) + 5 - 2(2) - 4 + 5(2)

-16 + 5 - 4 - 4 + 10

-11 - 4 - 4 + 10

-15 - 4 + 10

-19 + 10

-9

Hope this helps!!!

-Unicorns110504

*Please mark brainliest*

marin [14]3 years ago
3 0
-8x+5-2x-4+5x
-16+5-4-10
-11-4-10
-15-10
-25
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A person places $290 in an investment account earning an annual rate of 2.2%, compounded continuously. Using the formula V = Pe^
Tomtit [17]

Answer:

<h2> $430.90</h2>

Step-by-step explanation:

Given that the principal p= $290

rate r= 2.2%  2.2/100 =0.022  

time t= 18years

by applying the expression

V = Pe^{rt}

We have

V = 290e^{0.022*18}\\\\V=290e^{0.396}\\\\V=290*1.48586931755\\\\V=$430.90

Hence after 18years the money in the account will be $430.90

8 0
2 years ago
g Jack is polling New Yorkers to determine what proportion of them want to legalize recreational marijuana. How many New Yorkers
wolverine [178]

Answer:

1006

Step-by-step explanation:

Take proportion, p = 62%

n = (Z² * pq) / M.E²

Margin error = 0.03

p = 62% = 0.62

q = 1 - p = 1 - 0.62 = 0.38

Zcritical at 95% = 1.96

n = (1.96² * (0.62*0.38)) / 0.03²

n = 0.90508096 / 0.0009

n = 1005.6455

n = 1006

Sample size = 1006

5 0
2 years ago
Is how many student passed the math test a statistical question
Soloha48 [4]

Answer:

No it is not statistical

Step-by-step explanation:

It would be statistical if the answers varied which in this case they don't because there is a certain amount of people that passed and the answers do not vary. However, asking what was your score is statistical because answers will vary.

4 0
2 years ago
Help with my algebra homework
Maru [420]

Let's solve your equation step-by-step.

2x /5 + 3 = x/10 - 1

Step 1: Simplify both sides of the equation.

2x /5 + 3 =  x/10 - 1

2/5x + 3 = 1/10x - 1

Step 2: Subtract 1/10x from both sides.

2/5x + 3 - 1/10x = 1/10x - 1 - 1/10x

3/10x + 3 = -1

Step 3: Subtract 3 from both sides.

3 /10x + 3 - 3 = -1 - 3

3/10x = -4

Step 4: Multiply both sides by 10/3.

(10/3) * (3/10x) = (10/3) * (-4)

x = -40/3

3 0
3 years ago
Find the missing value can someone help me get this
Mashutka [201]

Answer:

-3

Step-by-step explanation:

-5 = -8 - (- 3)

5 0
3 years ago
Read 2 more answers
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