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2 years ago

1 + (-2/3) - (9/2) evaluate

Mathematics

2 answers:

Elina [12.6K]2 years ago

7 0

Use the least common denominator(LCD) to solve this equation:

1 + (-2/3) - (9/2)

so, what is the LCM of 3 and 2 : 6

so, the LCD = 6

1 + (-2 x 2/6) - (9 x 3/6)

the 1 = 6/6

Put it back into the equation:

6/6 + (-4/6) - (27/6)

Then, take it out of the parenthesis:

6/6 - 4/6 - 27/6

Simplify:

= - 25/6

which is the answer.

Hope that helped !! Have a great day now

Tema [17]2 years ago

6 0

Evaluate 1 + (-2/3) - (-9/2):

It's safe to remove the parentheses, as follows: 1 - 2/3 + 9/2. Recognizing that the LCD is 3(2) = 6, let's mult. this whole expression by 6 and then div. the result by 6:

6 - 4 + 27

------------------- = 29/6 (answer)

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(c + 3) - 2c - (1 - 3c) = 2 what is this answer to this problem?

Eddi Din [679]

(c+3)-2c-(1-3c)=2
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3 years ago

Max travel 324 miles in six hours write the unit rate

Amiraneli [1.4K]

Answer:

54mph

Step-by-step explanation:

Answer:

= 54 miles per hour

Showing WorkThis is a fraction equal to

324 miles ÷ 6 hours

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 6

324 miles

÷ 6

6 hours

÷ 6

54 miles

1 hour

54 miles

hour

= 54 miles per hour

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3 years ago

Read 2 more answers

If one angle of a triangle is 90°, then the other two add to 90°. <br> Write the To Prove statement

hram777 [196]

So a triangle is always 180°.
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180°-90°=90°
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2 years ago

12What mistake did the student make when solvingtheir two-step equation?(a)b) If correctly solved what should the value of be?

mixas84 [53]

Given the equation:

$\frac{x}{6}+3=-18$

(a) You can identify that the student applied the Subtraction Property of Equality by subtraction 3 from both sides of the equation:

$\frac{x}{6}+3-(3)=-18-(3)$

However, the student made a mistake when adding the numbers on the right side.

Since you have two numbers with the same sign on the right side of the equation, you must add them, not subtract them and use the same sign in the result. Then, the steps to add them are:

- Add their Absolute values (their values without the negative sign).

- Write the sum with the negative sign.

Then:

$\frac{x}{6}=-21$

(b) The correct procedure is:

1. Apply the Subtraction Property of Equality by subtracting 3 from both sides (as you did in the previous part):

$\begin{gathered} \frac{x}{6}+3-(3)=-18-(3) \\ \\ \frac{x}{6}=-21 \end{gathered}$

2. Apply the Multiplication Property of Equality by multiplying both sides of the equation by 6:

$\begin{gathered} (6)(\frac{x}{6})=(-21)(6) \\ \\ x=-126 \end{gathered}$

Hence, the answers are:

(a) The student made a mistake by adding the numbers -18 and -3:

$-18-3=-15\text{ (False)}$

(b) The value of "x" should be:

$x=-126$

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1 year ago

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alexira [117]

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