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White raven [17]
3 years ago
11

Solve please: 1/5 (25-5a) = 4-a

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
8 0

Answer: There is no solution.

Step-by-step explanation:

1.) 1 / 5 (25) + 1 / 5 (-5a) = 4 - a

2.) 5 - a = 4 - a

3.) 5 - a + a = 4 - a + a

4.) 5 = 4

The variable a is completely removed, leaving the final answer as 5 = 4, which isn't true.

Ipatiy [6.2K]3 years ago
6 0

Answer:

No solution

Step-by-step explanation:

  • 1/5(25 - 5a) = 4 - a

Start by distributing 1/5 inside the parentheses. 1/5 * 25 is 5 and 1/5 * 5 is 1. You have:

  • (5 - a) = 4 - a

Now you can remove the parentheses.

  • 5 - a = 4 - a

Subtract 4 from both sides of the equation.

  • 1 - a = -a

Add a to both sides of the equation.

  • 1 = 0

This is an incorrect or a FALSE statement, so this means that this equation has no solution.

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I need help solving this.... 4x+6x
wlad13 [49]

Answer:

10x

Step-by-step explanation:

Add the 6 and 4 the x stays the same.

8 0
3 years ago
Read 2 more answers
The sum of four consecutive integers is 286. Find the four integers
8_murik_8 [283]
Step 1: Write out the problem.
Step 1: Write out the problem.
Step 1: Write out the problem.
x+(x+1)+(x+2)+(x+3)= 286

Step 2: Take out the parentheses.
x+x+1+x+2+x+3= 286

Step 3: Combine like terms.
4x+6= 286

Step 4: Subtract 6 from both sides.
4x+6 -6= 286 -6

Step 5: Divide 4 on both sides.
4x/4 = 280/4

x=70

Which means the answer is 70, 71, 72, 73

Check Work:
70+71+72+73= 286

So this is correct :)
3 0
3 years ago
Evaluate each function for the domain -2,-1,0,1,2,3 as the values of the Omani increase, do the values of the range increase or
anyanavicka [17]
Can u give me thanks I need it so I can get 50 points plz plz
6 0
3 years ago
A credit card company charges 18.6% percent per year interest. Compute the effective annual rate if they compound, (a) annualy,
Darina [25.2K]

Answer:

a) Effective annual rate: 18.6%

b) Effective annual rate: 20.27%

c) Effective annual rate: 20.43%

d) Effective annual rate: 20.44%

Step-by-step explanation:

The effective annual interest rate, if it is not compounded continuously, is given by the formula

I=C(1+\frac{r}{n})^{nt}-C

where

<em>C = Amount of the credit granted </em>

<em>r = nominal interest per year </em>

<em>n = compounding frequency </em>

<em>t = the length of time the interest is applied. In this case, 1 year. </em>

In the special case the interest rate is compounded continuously, the interest is given by

I=Ce^{rt}-C

(a)  Annually

I=C(1+\frac{0.186}{1})-C=C(1.186)-C=C(1.186-1)=C(0.186)

The effective annual rate is 18.6%

(b) Monthly

<em>There are 12 months in a year </em>

I=C(1+\frac{0.186}{12})^{12}-C=C(1.2027)-C=C(0.2027)

The effective annual rate is 20.27%

(c) Daily

<em>There are 365 days in a year </em>

I=C(1+\frac{0.186}{365})^{365}-C=C(1.2043)-C=C(0.2043)

The effective annual rate is 20.43%

(d)  Continuously

I=Ce^{0.186}-C=C(1.2044)-C=C(0.2044)

The effective annual rate is 20.44%

3 0
3 years ago
For each ordered pair, determine whether it is a solution to y=6.
Darya [45]

Answer:

yes

no

yes

no

if their is a 6 in the y spot of the coordinate than it is a yes

4 0
3 years ago
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