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4 years ago

Evaluate 4(8-(4×2)+1pls help

2 answers:

8 0

4(8-(4×2)+1
according to dmas rule first we will solve the figures in bracket
4(8-(8)+1
now first we will sum up the figures then subtract
4(8+1-8)
4(9-8)
4(1)
4
thats it

densk [106]4 years ago

3 0

4(8−(4)(2)+1)=(4)(8+−8+1)=(4)(8)+(4)(−8)+(4)(1)=32−32+4=4

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ch4aika [34]

1. nth term=3n-1

20th term=3(20)-1=60-1=59

2. nth term=-2n-4

20th term=-2(20)-4=-40-4=-44

3. nth term= $\frac{2}{3}$ n- $\frac{2}{3}$

20th term= $\frac{2}{3}$ (20)- $\frac{2}{3}$ = $\frac{40}{3}$ - $\frac{2}{3}$ = $\frac{38}{3}$

4. nth term=- $\frac{1}{3}$ n+ $\frac{11}{15}$

20th term=- $\frac{1}{3}$ (20)+ $\frac{11}{15}$ =- $\frac{20}{3}$ + $\frac{11}{15}$ =- $\frac{89}{15}$

4 0

4 years ago

What is the LCM of 8 14 and 20?

Alik [6]

I believe its 2. 4*2=8. 2*7=14. 2*10=20

7 0

3 years ago

Money is borrowed at 9% simple interest. After one year, $1178.29 pays off the loan. How much was originally borrowed?

qwelly [4]

$\bf ~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\dotfill&1178.29\\ P=\textit{original amount deposited}\dotfill \\ r=rate\to 9\%\to \frac{9}{100}\dotfill &0.09\\ t=years\dotfill &1 \end{cases} \\\\\\ 1178.29=P(1+0.09\cdot 1)\implies 1178.29=P(1.09)\implies \cfrac{1178.29}{1.09}=P \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill 1081=P~\hfill$

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3 years ago

HELP!!! 10 POINTS!! look at picture

Agata [3.3K]

Answer:

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3 years ago

The sum of three numbers is 185

Fiesta28 [93]

<h3>The value of the first number, x, is equal to 18.</h3><h3>The value of the second number, y, is equal to 90.</h3><h3>The value of the third number, z, is equal to 77.</h3>

x + y + z = 185

y = 5x

z = y - 13

Because we already have a value for y, we already have a value for z. We can now solve for a value of x.

x + 5x + 5x - 13 = 185

Add 13 to both sides.

x + 5x + 5x = 198

Combine like terms.

11x = 198

Divide both sides by 11.

x = 18

Because we have a value of x, we can solve for the exact values of y and z.

y = 5(18)

y = 90

z = (90) - 13

z = 77

6 0

3 years ago