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Rashid [163]
3 years ago
12

Which expression is equivalent to −34÷(−812)?

Mathematics
2 answers:
leva [86]3 years ago
4 0

Answer:

Your answer is: Look Below ↓

Step-by-step explanation:

Hope this helped : )

vredina [299]3 years ago
3 0

Answer:

-34/-812 = 17/406

Step-by-step explanation: i think this is right...

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If 2 inches are equivalent to 5 centimeters, how many square centimeters are in one square inch?
umka2103 [35]

There are 6.45 or 6.5 square cm in one square in.

5 0
2 years ago
Help with this math homework
fomenos
+6 ; 45,51
+ evens; 40,52
X -2; -64, 128
+ reducing squares 63+1/4, 63 +13/36
5 0
3 years ago
Solve for x<br> x^9=12^2x12^7
jekas [21]

Answer:

<h2>12</h2>

Step-by-step explanation:

Hi!

Here is your answer,

I will explain in step by step,

{x}^{9}  =  {12}^{2}  \times  {12}^{7}

Here we can simplify this further using this law,

{a}^{m}  \times {a}^{n} =  {a}^{m + n}

So we will get,

{x}^{9}  =  {12}^{7  + 2}  \\  {x}^{9} =  {12}^{9}

Since the powers are same we can cancel it out and we will get,

x = 12

(Hope this answer helped :))

4 0
3 years ago
Solving Rational Inequalities and use sign diagram to sketch the graph. Image attached for better understanding.
Digiron [165]

Answer:

x ∈ (-∞, -1) ∪ (1, ∞)

Step-by-step explanation:

To solve this problem we must factor the expression that is shown in the denominator of the inequality.

So, we have:

x ^ 2-1 = 0\\x ^ 2 = 1

So the roots are:

x = 1\\x = -1

Therefore we can write the expression in the following way:

x ^ 2-1 = (x-1)(x + 1)

Now the expression is as follows:

\frac{(x-2) ^ 2}{(x-1) (x + 1)}\geq0

Now we use the study of signs to solve this inequality.

We have 3 roots for the polynomials that make up the expression:

x = 1\\x = -1\\x = 2

We know that the first two are not allowed because they make the denominator zero.

Observe the attached image.

Note that:

(x-1)\geq0 when x\geq-1

(x + 1)\geq0 when x\geq1

and

(x-2) ^ 2 is always \geq0

Finally after the study of signs we can reach the conclusion that:

x ∈ (-∞, -1) ∪ (1, 2] ∪ [2, ∞)

This is the same as

x ∈ (-∞, -1) ∪ (1, ∞)

6 0
3 years ago
Anna Maria read 40 pages in 60 minutes. What is her unit rate in pages per unit?
Ivahew [28]

Answer:

2/3 (0.6 repeating) pages per minute

Step-by-step explanation:

Divide the numerator (40) by the denominator (60).

You get 2/3 pages per minute.

8 0
3 years ago
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