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2 years ago

15

Help me plss... with steps

2 answers:

ivann1987 [24]2 years ago

8 0

Answer:

Step-by-step explanation:

1/4 *100/1=25%

47%=47/100

3/5 *100/1=60%

allochka39001 [22]2 years ago

6 0

Step-by-step explanation:

1/4 = 1/4*100 = 25%

47% = 47/100

3/5 = 3/5 *100 =60%

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-15=-4m+5<br><br>8n+7=31<br><br>-10=10(k-9)

Korolek [52]

$-15=-4m+5\ \ \ |both\ sides\ /+4m\\\\4m-15=5\ \ \ \ |both\ sides\ /+15\\\\4m=20\ \ \ \ |both\ sides\ /:4\\\\\underline{\underline{m=5}}$

=========================================================

$8n+7=31\ \ \ \ |both\ sides\ /-7\\\\8n=24\ \ \ \ |both\ sides\ /:8\\\\\underline{\underline{n=3}}$

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$10(k-9)=-10\ \ \ \ |both\ sides\ /:10\\\\k-9=-1\ \ \ \ |both\ sides\ /+9\\\\\underline{\underline{k=8}}$

6 0

2 years ago

Read 2 more answers

Factor. (help plz!)<br><br> x^2+7x+10

yawa3891 [41]

Answer:

$(x + 5) \times (x + 2)$

Step-by-step explanation:

${x}^{2} + 7x + 10$

${x}^{2} + 5x + 2x + 10$

$x \times (x + 5) + 2(x + 5)$

$(x + 5) \times (x + 2)$

3 0

2 years ago

Read 2 more answers

Find the smallest whole number that has exactly 12 factors

alina1380 [7]

The anwser is 60 ya...

8 0

2 years ago

Simplify by dividing negative three over eight ÷ five over nine . (5 points)

Marysya12 [62]

Answer:

A.) negative twenty-seven over forty

Step-by-step explanation:

Screenshot below will explain the answer

8 0

3 years ago

If O N = 8 x − 8 , L M = 7 x + 4 , N M = x − 5 , and O L = 3 y − 6 , find the values of x and y for which LMNO must be a paralle

posledela

Answer:

$x=12\\y=\frac{13}{3}$

Step-by-step explanation:

For it to be a parallelogram, opposite sides have to be of same length.

OL = NM, and
ON = LM

Using the expressions given, we can make 2 equations:

<u>Equation 1:</u>

$OL=NM\\3y-6=x-5\\-x+3y=1$

<u>Equation 2:</u>

$ON=LM\\8x-8=7x+4\\$

<em>Solving equation 2, we have x:</em>

$8x-8=7x+4\\8x-7x=4+8\\x=12$

<em>Plugging this value of x into equation 1, we can solve for y:</em>

$-x+3y=1\\-(12)+3y=1\\-12+3y=1\\3y=13\\y=\frac{13}{3}$

So,

$x=12\\y=\frac{13}{3}$

7 0

3 years ago