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3 years ago

12

The perimeter of a square is given as 8x + 20 write two different expressions for the perimeter use factoring to write one of th

e expressions

1 answer:

tatyana61 [14]3 years ago

6 0

8x+20 = 4(2x+5) = 2(4x+10)

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4 (3) + 5(6+1) please help me

Oksi-84 [34.3K]

4(3) + 5(6+1>
12 + 35
47

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3 years ago

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Alan borrowed $570 for a new bed. He made 9 monthly payments to repay the loan. He

stepladder [879]

$~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill &\$45\\ P=\textit{original amount deposited}\dotfill & \$570\\ r=rate\to r\%\to \frac{r}{100}\\ t=months\dotfill &9 \end{cases} \\\\\\ 45 = (570)(\frac{r}{100})(9)\implies \cfrac{45}{(570)(9)}=\cfrac{r}{100}\implies \cfrac{1}{114}=\cfrac{r}{100} \\\\\\ \cfrac{100}{114}=r\implies \stackrel{\%}{0.88}\approx r$

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2 years ago

How do you solve this equation -6x + 7y =13 and -6x +8y =20 using elimination

ohaa [14]

Answer:

x=6,y= 7

Step-by-step explanation:

-6x +7y= 13

-6x+8y=20

-y = -7

divide through by -1

y =7

sub y= 7 in equation 1

then x= 6

8 0

3 years ago

Can I please have the answers ASAP <br><br> -10+4= <br> -7-11=

Oxana [17]

Answer: for -10 + 4 the answer is -6

for -7 - 11 the answer is -18

Step-by-step explanation:

For -10+4 all you do is start at -10 and go up 4 to -6 (-9, -8, -7, -6)

and for -7 - 11 you start at 7 and just go down (but the numbers get bigger) to -18 (-8, -9, -10, -11, -12, -13, -14, -15, -16, -17, -18)

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3 years ago

The owner of a deli recorded the number of customers who ordered each of four sandwiches available. If the deli has 50 customers

alexandr1967 [171]

160+100+180+60=500
180/500=0.36=36%
50x36%=18
That's your answer lovely~

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3 years ago

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