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2 years ago

Calculate the simple interest on each amount and the total amount at the end.

Mathematics

1 answer:

Butoxors [25]2 years ago

5 0

Attached is a picture of my answers.

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5x^(-2)-17x^(-1)+6 i’m so confused pls help will give brainliest

laila [671]

It's a quadratic equation in disguise. If you let $y=x^{-1}$ , then $y^2=x^{-2}$ , and we can rewrite the equation as

$5y^2-17y+6=0$

Solve for $y$ however you like; we get $y=\dfrac25$ and $y=3$ .

But we want to solve for $x$ , so we have

$y=x^{-1}=\dfrac25\implies x=\dfrac52$

$y=x^{-1}=3\implies x=\dfrac13$

5 0

3 years ago

Jada typically earns$1545 each month, of which $47.20 is spent on electricity. Whick percent of jadas earnings are spent on elec

REY [17]

The equation is asking how much out of Jada's total budget (1545) is spent on electricity a month (47.20).
write this as a fraction 47.20/1545
type into calculator and you get .03055
multiply that by 100 to get it as a percent. you get 3.055%
now round that to the nearest tenth and you get 3.1%
answer 3.1%

8 0

3 years ago

Sin^2(alpha) + cos^2(alpha)=? Fast plz sir is asking me rn lol

Crazy boy [7]

Answer:

the answer is 1

hope it helps

4 0

3 years ago

Find the area if each figure. round the nearest hundredth where neccessary.

faltersainse [42]

Answer:

351.48cm²

Step-by-step explanation:

Heron’s Formula

Find half the perimeter (30+30+26)/2=43

It’s the square root of each side subtracted from 43, multiplied together, times 43.

√(43-30)*(43-30)*(43-26)*43=√13*13*17*43=√=123539=351.481cm²

6 0

3 years ago

Mary wants to make brownies to make brownies she needs 7/12 of a cup of flour per batch of brownies if Mary has 7 cups of flour

Nostrana [21]

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▹ Answer

12

▹ Step-by-Step Explanation

$7/\frac{7}{12} \\\\= 7 * \frac{12}{7} \\\\= \frac{84}{7} \\\\= 12$

Hope this helps!

CloutAnswers ❁

Brainliest is greatly appreciated!

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6 0

3 years ago