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amid [387]
3 years ago
15

Help need on 2 algebra problems !!!!!!! please

Mathematics
1 answer:
gogolik [260]3 years ago
7 0

Answer:

1) C. 2

2) A. 2

Step-by-step explanation:

1. We need to descompose 256 into its prime factors:

256=2*2*2*2*2*2*2*2=2^8

We must rewrite the expression \sqrt[8]{256}:

=\sqrt[8]{2^8}

We need to remember that:

\sqrt[n]{a^n}=a

Then:

=2

2. Let's descompose 16 into its prime factors:

16=2*2*2*2=2^4

We must rewrite the expression \sqrt[4]{16}:

=\sqrt[4]{2^4}

Then we get:

=2

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5. You answered 21 out of 25 questions correctly on a test. Did you reach your goal of getting at least 80%?
hichkok12 [17]

Answer:

You scored more than 80 %

Step-by-step explanation:

21/25  

We need to change this to a decimal, then to a percent

21/25 *4/4 = 84/100

This is out of 100 so it is 84%

84>80.

You scored more than 80 %

6 0
4 years ago
Read 2 more answers
A parallelogram has sides of length 5 cm, 7 cm, and 7 cm. What is the length of the fourth side of the parallelogram?
zmey [24]

Answer:

the side is 5cm

Step-by-step explanation:

3 0
3 years ago
Jose equation is -4(x+2) = 8x+16 says to jill “I can solve for the variable in this equation in at least 4 different ways
erastovalidia [21]

Answer:

that is step 1 and step 2 and step3

step 4

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

−4(x+2)=8x+16

Step 1: Simplify both sides of the equation.

−4(x+2)=8x+16

(−4)(x)+(−4)(2)=8x+16(Distribute)

−4x+−8=8x+16

−4x−8=8x+16

Step 2: Subtract 8x from both sides.

−4x−8−8x=8x+16−8x

−12x−8=16

Step 3: Add 8 to both sides.

−12x−8+8=16+8

−12x=24

Step 4: Divide both sides by -12.

−12x

−12

=

24

−12

x=−2

Answer:

x=−2

6 0
3 years ago
I want to deposit money 1200 dollars in a bank. Bank offers me with a simple account with a yearly interest rate of .12. Bank b
Delicious77 [7]

Answer: The simple interest will offer more money.

Step-by-step explanation:

Considering the simple interest offer, we would apply the formula for determining simple interest is expressed as

I = PRT/100

Where

I represents interest paid on the amount deposited.

P represents the principal or amount deposited

R represents interest rate

T represents the duration in years.

From the information given,

P = $1200

R = 0.12 = 0.12 × 100 = 12%

T = 3 years

I = (1200 × 12 × 3)/100 = $432

Total balance after 3 years is

1200 + 432 = $1632

Considering the compound interest offer, we would apply the formula for determining compound interest which is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount deposited

From the information given,

P = 1200

r = 0.08

n = because it was compounded 4 times in a year.

t = 3 years

Therefore,

A = 1200(1 + 0.08/4)^4 × 3

A = 1200(1 + 0.02)^12

A = 1200(1.02)^12

A = $1522

3 0
3 years ago
Three times the sum of a number and 4 is twice a number minus 8.
amm1812

Answer:

Step-by-step explanation:

3(n+4)=2n-8

3n+12=2n-8

5n= -20

n= -4

8 0
3 years ago
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