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disa [49]
3 years ago
9

What is 12 over seven minus -2 over 9

Mathematics
1 answer:
S_A_V [24]3 years ago
5 0

Answer:

i think its 1 31/63

Step-by-step explanation:

12/7 minus  -2/9 you do the butterfly method and you get the answer 94/63 and then you simplify it and get the answer 1 31/63

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The two trapezoids are congruent. What is the value of x?
GuDViN [60]

Answer:

x=15

Step-by-step explanation:

4 0
3 years ago
Help! Please! Thanks
Illusion [34]

Answer:

C. 3 (t+2)

Step-by-step explanation:

First, for the top fraction, simplify it:

4(t^2-4)/8=4(t+2)(t-2)/8

Now, flip the denominator and multiply the top and bottom fractions:

4(t+2)(t-2)/8 * 6/t-2

You can cancel the (t-2) terms so you get:

4(t+2) *6/8

Reduce the 6/8 to 3/4 so you get:

4(t+2)*3/4

Now cancel the 4's:

3(t+2)  Your answer is C.

4 0
3 years ago
Please help me with this Algebra I question.
horrorfan [7]

Answer:

-\dfrac{b^2}{16a^4}

Step-by-step explanation:

Given expression:

\dfrac{(2a)^{-2}b^5}{-4a^2b^3}

\textsf{Apply the exponent rule}\quad (ab)^c=a^c \cdot b^c:

\implies \dfrac{2^{-2}a^{-2}b^5}{-4a^2b^3}

Separate the variables:

\implies \dfrac{2^{-2}}{-4}\cdot \dfrac{a^{-2}}{a^2}\cdot \dfrac{b^5}{b^3}

\textsf{Apply the exponent rule} \quad \dfrac{a^b}{a^c}=a^{b-c}:

\implies \dfrac{2^{-2}}{-4}\cdot a^{-2-2}\cdot b^{5-3}

\implies \dfrac{2^{-2}}{-4}\cdot a^{-4}\cdot b^{2}

\textsf{Apply the exponent rule}\quad a^{-n}=\dfrac{1}{a^n}:

\implies \dfrac{1}{-4(2^2)}\cdot \dfrac{1}{a^4}\cdot b^{2}

\implies -\dfrac{1}{16}\cdot \dfrac{1}{a^4}\cdot b^{2}

Simplify:

\implies -\dfrac{b^2}{16a^4}

5 0
2 years ago
On an extremely cold, the temperature may be -10. If the temperature rises 8 degrees, how will I find the new temperature?
valina [46]

Answer:

how to make a capacity of the ep of the ep of the ep of the ep of the ep of the ep of the ep

8 0
2 years ago
Read 2 more answers
The perimeter of rectangular field is 260 feet. The length of the field is 10 feet more than twice the width of the field. Which
lutik1710 [3]

The answer is C. Why? Because, they said the length is 10 feet longer. 260+10=270

so it's,

L=260 W=270

5 0
3 years ago
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