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3 years ago

Question 4 of 10, Step 1 of 1

Mathematics

1 answer:

ElenaW [278]3 years ago

6 0

Answer:

338

Step-by-step explanation:

10,140x.08=811.20 annual interest

811.20/360 x 150(5 months)=338

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Rufina [12.5K]

1) B irrational

2) B sometimes because a negative integer is not a whole number

3) C irrationals

4) C and D are whole numbers

5) C irrational

6) D 7/10 because a rational number is always a faction

7) C rational numbers

8) D real and rational

9) D rational, real, whole number

10) A integers

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3 years ago

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Show that <br><br> 4(m + 7) + (m + 3)^2 = (m + 3)(m + 7) + 16

anygoal [31]

Step-by-step explanation:

$4(m+7)+(m+3)^2=(m+3)(m+7)+16\\\\L_S=4(m+7)+(m+3)^2\\\\\text{use the distributive property}:a(b+c)=ab+ac\\\text{and formula}:\ (a+b)^2=a^2+2ab+b^2\\\\L_S=(4)(m)+(4)(7)+m^2+2(m)(3)+3^2\\\\L_S=4m+28+m^2+6m+9\qquad\text{combine like terms}\\\\L_S=m^2+(4m+6m)+(28+9)\\\\L_S=m^2+10m+37$

$R_S=(m+3)(m+7)+16\\\\\text{use FOIL}:(a+b)(c+d)=ac+ad+bc+bd\\\\R_S=(m)(m)+(m)(7)+(3)(m)+(3)(7)+16\\\\R_S=m^2+7m+3m+21+16\qquad\text{combine like terms}\\\\R_S=m^2+(7m+3m)+(21+16)\\\\R_S=m^2+10m+37\\\\\boxed{L_S=R_S}$

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3 years ago

What is (3x+8) + (6x+2) in simplest form

barxatty [35]

$(3x+8) + (6x+2) \\ \\ 3x + 8 + 6x + 2 \ / \ simplify \\ \\ (3x + 6x) + 8 + 2 \ / \ gather \ like \ terms \\ \\ 9x + 8 + 2 \ / \ simplify \\ \\ 9x + 10 \ / \ simplify \\ \\ Answer: \fbox {9x + 10}$

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3 years ago

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10/18=c/4.5<br> what is c

zhannawk [14.2K]

$\frac{10}{18}=\frac{c}{4,5}\\\\cross\ multiplication\\\\
4,5*10=18c\\\\
45=18c\ \ \ \ | divide\ by\ 18\\\\
c=\frac{45}{18}=2\frac{1}{2}\\\\\
\boxed{c=2\frac{1}{2}}$

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3 years ago

A carnival snack booth made $76 selling popcorn in one day. It made 22 times as much selling cotton candy. How much money did th

const2013 [10]

I think you have to multiply 74*22

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3 years ago

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