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marin [14]
3 years ago
13

-(-6x - 5) = 4(5x + 3)

Mathematics
1 answer:
Lina20 [59]3 years ago
8 0

Answer:

\large\boxed{B)\ -\dfrac{1}{2}}

Step-by-step explanation:

-(-6x-5)=4(5x+3)\qquad\text{use the distributive property}\\\\-(-6x)-(-5)=(4)(5x)+(4)(3)\\\\6x+5=20x+12\qquad\text{subtrac 5 from both sides}\\\\6x=20x+7\qquad\text{subtract 20x from both sides}\\\\-14x=7\qquad\text{divide both sides by (-14)}\\\\x=-\dfrac{7}{14}\\\\x=-\dfrac{1}{2}

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Asking for help again haha thank you
Nonamiya [84]
I think the answer is = ZXY
6 0
4 years ago
Read 2 more answers
A bill for $100 is purchased for $96 three months before it is due. Find: 1 The nominal rate of discount convertible quarterly e
Dovator [93]

Answer:

1. The nominal interest rate  is 16.67%

2. The effective interest rate is 4.17%

Step-by-step explanation:

1.firstly we use the information given:

face value of bill is$100 which is denoted by Fv below.

$96 is the present value Pv of the bill denoted below.

thereafter we have n the number of periods of compounding which is 1 period.

we use the following formula for this problem to find i the nominal interest rate:

Fv = Pv(1+i)^n

then we substitute the above mentioned values.

$100 = $96 ( 1+i/m)^1 divide both sides by $96

(100/96) = 1+ i/4   then subtract both sides by 1

(100/96)- 1 = i/4

0.0416666666667 = i/4 then multiply by 4 both sides as this was compounded quarterly so four times a year then multiply by 100 for percentage.

16.67% = i which is the nominal interest rate

2. ieffective = (1+i nominal/n)^n  -1

ieffective= (1+16.67%/4)^1 - 1

ieffective = 4.17%

5 0
3 years ago
A bowl of buttons contains 10 MAGA [MAKE AMERICA GREAT AGAIN] buttons, 5 GND [GREEN NEW DEAL] buttons and 10 NAW [NEVER A WALL]
kondaur [170]

Answer:

a) Probability of picking Two MAGA buttons without replacement = 0.15

b) Probability of picking a MAGA and GND button in that order = 0.0833

Probability of picking a MAGA and GND button in with the order unimportant = 0.167

Step-by-step explanation:

10 MAGA [MAKE AMERICA GREAT AGAIN] buttons, 5 GND [GREEN NEW DEAL] buttons and 10 NAW [NEVER A WALL] buttons.

Total number of buttons = 10 + 5 + 10 = 25

Let probability of picking a MAGA button be P(M) = 10/25 = 0.4

Probability of picking a GND button be P(G) = 5/25 = 0.2

Probability of picking a NAW button be P(N) = 10/25 = 0.4

a) Probability of picking Two MAGA buttons without replacement = (10/25) × (9/24) = 3/20 = 0.15

b) Probability of picking a MAGA and GND button in that order = (10/25) × (5/24) = 1/12 = 0.0833

Probability of picking a MAGA and GND button in with the order unimportant = [(10/25) × (5/24)] + [(5/25) × (10/24)] = 1/6 = 0.167

3 0
4 years ago
3/4 of a sphere with a radius of 13
Brums [2.3K]
First fnd SA then times 3/4

SA of sphere=4pir^2
r=13
SA=4pi13^2
SA=4pi169
SA=676pi

times 3/4
SA=507pi

answer is 507pi  squaer units

(if they want to evaluate or aprox, use 3.14 for pi and multiply 507 and 3.14)
7 0
3 years ago
The diameter of a bicycle tire is 48 inches. What is the radius of the tire?
Vanyuwa [196]

Answer:

i believe its 24

Step-by-step explanation:

D=2R

but idk sorry

5 0
3 years ago
Read 2 more answers
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