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3 years ago

Subtract -3 3/8 - 7/8

Mathematics

2 answers:

In-s [12.5K]3 years ago

8 0

Answer:

-4 1/4 When you subtract -3 3/8 from 7/8 you will get this answer.

Hope this helps

Olenka [21]3 years ago

8 0

Answer:

2 1/2

Step-by-step explanation:

convert into a mixnumber so 8times 3 is 24 and 24 plus 3 is 27.You just leave the other one as 7/8

2 7/8−7/8

Applying the fractions formula for subtraction,

=(27×8)−(7×8)8×8

=216−5664

=16064

Simplifying 160/64, the answer is

=212

Hope this helps :)

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mestny [16]

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Step-by-step explanation:

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3 years ago

Read 2 more answers

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

(ii) Using a calculator, or otherwise, determine the exact value, to one decimal place, of 8792-6886 12 X 9

omeli [17]

Answer: I did it in the explanation thingy-

Step-by-step explanation:

Step 1. 8792 - 6886 = 1906

Step 2. 12 x 9 108

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soldi70 [24.7K]

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From greatest to least in order:

1 2/3, 1.66, 1 16/25, and 1.06

Hope this helps :)

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