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Sidana [21]
2 years ago
8

I need help solving these equations....

Mathematics
1 answer:
Harlamova29_29 [7]2 years ago
7 0
6 is easy
7. never divide by a fraction, flip ot upside down and multiply, so multiply by 5 on both sides
8. subtract 3.45 on both sides
9. the answer is just 1
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After 8 years, ofelia earned $980 in simple interest from a cd into which she initially deposited $7000. what was the annual int
kobusy [5.1K]
We have: I = P × R × T / 100
Here, I = 980
P = 7000
T = 8

Substitute their values into the expression:
980 = 7000 × R × 8 / 100
R = 980 × 100 / 7000 × 8
R = 98000 / 56000
R = 1.75%

In short, Your Answer would be 1.75%

Hope this helps!
8 0
2 years ago
Read 2 more answers
Tell two ways the values of 318,274 and 138,524 are alike
qaws [65]
One way is they numbers both start in the hundred-thousands place
Another way is they both end in 4
Another way is they are both under 500,000
If you don't think my answers are that great try to make some up it is very simple.
4 0
3 years ago
Robert invests $3,250 into a money market account with an annual 1.7% simple interest rate. If he does not add or subtract any m
Trava [24]

I = PRT/100    where P = pricipal, R = rate and T = number of years. I = interest.

So answer is (3250 * 1.7 * 3) / 100  =  $165.75

4 0
2 years ago
14-12x+39x-18x=256-60x-657x​
emmasim [6.3K]

Answer:

\boxed{\bold{x=\frac{1}{3}}}

Step-by-step explanation:

Combine Similar Elements: \bold{-12x+39x-18x=9x}

\bold{14+9x=256-60x-657x}

Combine Similar Elements: \bold{-60x-657x=-717x}

\bold{14+9x=256-717x}

Subtract 14 From Both Sides

\bold{14+9x-14=256-717x-14}

Simplify

\bold{9x=-717x+242}

Add \bold{717x} To Both Sides

\bold{9x+717x=-717x+242+717x}

Simplify

\bold{726x=242}

Divide Both Sides By \bold{726}

\bold{\frac{726x}{726}=\frac{242}{726}}

Simplify

\bold{x=\frac{1}{3}}

4 0
3 years ago
For what value of a does (1/9)^a+1 = 81^a+1 • 27^2-a
Fantom [35]

Answer: a = -4

Step-by-step explanation:

7 0
3 years ago
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