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sashaice [31]
3 years ago
13

Solve the equation and enter the value of x below. x-12 = 8 X =

Mathematics
2 answers:
san4es73 [151]3 years ago
7 0
The answer would be X = 20
Minchanka [31]3 years ago
7 0

Answer:

20

Step-by-step explanation:

12 + 8 = 20

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NEGATIVE EXPONENTS - All of the following expressions are equal except _____.
worty [1.4K]

The last one x^4.

A: If you bring 2^-5 to the numerator which is what the - expects you to do, then you get x^5 which is 32

B: No problem here. 32 = 32

C: 2^1 * 2^4 = 2^(1 + 4) = 2^5.

C: 2^5 is 32

D: 2^4 = 16.

Answer: D does not agree with the others.

5 0
3 years ago
Angle XYZ is bisected by line YW the measure of angle XYW is 52 what is the measurement of angle WYZ what is the measurement of
Aliun [14]

Answer:

Step-by-step explanation:

2(2x+7) = 6x-8

4x + 14 = 6x - 8

2x = 22

x = 11

m<XYZ = 58

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7 0
3 years ago
Please answer.................................................
Scorpion4ik [409]

Answer:

first is 20 second is 40 third is 60 and last is 80

Step-by-step explanation:

8 0
3 years ago
Which expression is equivalent to (r^-7)^8
ahrayia [7]

Answer:

1/r^56

Step-by-step explanation:

Not sure if you did a typo there or what cus 7 x 8 should be 56

Whenever the power of a number is negative, you flip. So r^-7 becomes 1/r^7

Remove the bracket and distribute 8 to the power of 1 and r^7

1 to the power of 8 will still be 1, r^7 x 8 = r ^ 56

6 0
3 years ago
Jim and bill each invest $15,000 into savings accounts that earn 3.5% interest. Jims account earns simple interests and bills ac
Svet_ta [14]

Answer:

Bill will earn more interest

He will earn $ 20,448.67 from his investment

Step-by-step explanation:

Firstly let us calculate Jim's earnings based on simple interest

A = P(1 + rt)

Calculation:

First, converting R percent to r

a decimal

r = R/100 = 3.5%/100 = 0.035 per year.

Solving our equation:

A = 15000(1 + (0.035 × 25)) = 28125

A = $28,125.00

The total amount accrued, principal plus interest, from simple interest on a principal of $15,000.00 at a rate of 3.5% per year for 25 years is $28,125.00 for Jim

Now let's us calculate bill's investment based on compound interest

Equation

A = P(1 + r)^t

A=15000(1+0.035)^25

A=15000(1.035)^25

A=15000*2.36324498427

A = $ 35,448.67

We see that Bill will earn

$ 20,448.67 from his investment

4 0
3 years ago
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