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3 years ago

Which of the following did John C. Calhoun NOT do?

Mathematics

2 answers:

mariarad [96]3 years ago

6 0

Its A because he supported slavery <span />

RSB [31]3 years ago

5 0

A because he supported institution slavery.

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If Ben invests $4500 at 4% interest per year, how much additional money must he invest at 5 1/2% annual interest to ensure that

pogonyaev

$Step \; 1: \; Assing \; variable \; for \; the \; unknown \; that \; we \; need \; to \; find.\\Let \; x \; be \; additional \; money \; invested$

$Step \; 2: \; Use \; the \; appropriate \; formula \; of \; simple \; interest \; set \; up \; an \; equation\\Interest \; earned \; each \; year = \; Amount \; invested \times annual \; rate \; of \; interest\\\\Amount \; invested \; in \; 4 \% \; rate \; of \; interest=\$4500\\Amount \; invested \; in \; 5\frac{1}{2}\% \; rate \; of \; interest= \$x\\Amount \; invested \; totally \; in \; 4\frac{1}{2}\% \; rate \; of \; interest = \$(4500+x)$

$Interest \; earned \; in \; 4\% \; interest \; rate\\ = \; 4500(4\%)=180\\Interest \; earned \; in \; 5\frac{1}{2}\% \; interest \; rate\\ = x(5\frac{1}{2}\%)=0.055x\\Interest \; earned \; totally \; in \; 4\frac{1}{2}\% \; interest \; rate = (4500+x)(4\frac{1}{2}\%)\\=0.045(4500+x)$

$\\\\So, \; the \; equation \; would \; be:\\180+0.055x=0.045(4500+x)$

$Step \; 1: \; Distribute \; 0.045 \; in \; the \; right \; side\\180+0.055x=202.5+0.045x\\\\Step \; 2: \; Subtract \; 0.045x \; and \; 180 \; on \; both \; sides \; to \; get \; x \; alone\\0.055x-0.045x=202.5-180\\\\Step \; 3: \; Combine \; Like \; Terms\\0.01x=22.5\\\\Step \; 4: Divide \; 0.01 \; on \; both \; sides\\\frac{0.01x}{0.01}=\frac{22.5}{0.01}\\\\Step \; 5: \; Simplifying \; fraction \; on \; both \; sides\\x=2250$

$\underline{Conclusion:}\\Ben \; should \; invest \; additional \; money \; of \; \$2250$

5 0

3 years ago

How do I explain the steps to the question involving the pie?

jok3333 [9.3K]

Answer:

Area = pi x radius squared

the radius is 2.39 so that's squared that is 5.7121pi

Step-by-step explanation:

4 0

3 years ago

In a package of 25 colored pencils 8 are red , if you bought 125 pencils how many would be red

lora16 [44]

125=5 packets of pencils
each package contains 8 red
5 packages contain 5×8=40
In 125 pencils 40 are red.

5 0

3 years ago

Help asap please??????

S_A_V [24]

Answer:

5x-16=4x+34

-4x -4x

1x-16=34

+16 +16

1x=50

x=50

6 0

3 years ago

Point R(−3, 9) belongs to the graph of the function y= k/x^2 . Find the value of k.

lorasvet [3.4K]

Answer:

k = 81

Step-by-step explanation:

y = k / x²

Plug in values.

9 = k / (-3)²

9 = k / 9

Solve for k by multiplying both sides by 9.

k = 81

4 0

3 years ago