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3 years ago

PLEASE ANSWER BOTH QUESTIONS

Mathematics

1 answer:

mr Goodwill [35]3 years ago

6 0

Both answers are B :)

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Select the step in the solution that shows the first error.

siniylev [52]

Answer:

Step 2: 20x = 80 + 10x

Step-by-step explanation:

Step 1: 20x - 10 = 80 + 10x

Add 10 to each side

20x - 10+10 = 80+10 + 10x

20x = 90 + 10x

Step 2: 20x = 80 + 10x This has the first error

Step 3: 10x = 80

Step 4: x= 8

8 0

3 years ago

Can someone help me with this question? Thank you!

Harrizon [31]

$\qquad\qquad\huge\underline{{\sf Answer}}$

Let's evaluate ~

The given expression is :

$\qquad \sf \dashrightarrow \:4x + 8$

plug the value of x as 3

$\qquad \sf \dashrightarrow \:4(3) + 8$

$\qquad \sf \dashrightarrow \:12 + 8$

$\qquad \sf \dashrightarrow \:20$

Therefore, the required value is 20

8 0

2 years ago

PLEASE HELP!!!<br><br> I don't understand...<br> If possible, please explain!

Hoochie [10]

Answer:Is say sas or asa

Step-by-step explanation: I

3 0

3 years ago

Read 2 more answers

at a parade, 1/4 of the participants have red hair, 1/6 of them have brown hair and the rest of them have black hair. which frac

netineya [11]

$\frac{1}{1}-\ all\ participants\\\\
\frac{1}{4}-\ participants\ with\ red\ hair\\\\ \frac{1}{6}-\ participants\ with\ brown\ hair\\\\
participants\ ith\ black\ hair=1-\frac{1}{4}-\frac{1}{6}\ \ \ | mu;tiply\ by\ 12\\\\
12participants\ ith\ black\ hair=12-3-2\\\\
12participants\ ith\ black\ hair=7\ \ \ \ | divide\ by\ 12\\\\
participants\ ith\ black\ hair=\frac{7}{12}$

6 0

3 years ago

Find the maximum value of Y = -3(x+7)(x+1)

Anna [14]

For my answer i got y = x - 18

5 0

3 years ago