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Kamila [148]
3 years ago
6

3. Multiply and Write Your Answer in Lowest Terms. Show your work. (2/5) (−5/7)

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
3 0

Answer:

-2/7

Step-by-step explanation:

2/5*-5/7=-2/7

-10/35 =-2/7 when divided by 5to reduction

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In triangle ABC mzA -45, mzB = 40", and a = 7. Which equation should you<br> solve to find b?
yaroslaw [1]

Answer:

Option A. \frac{sin(45\°)}{7}=\frac{sin(40\°)}{b}

Step-by-step explanation:

we know that

Applying the law of sines in the triangle ABC

\frac{sin(A)}{a}=\frac{sin(B)}{b}

substitute the given values

\frac{sin(45\°)}{7}=\frac{sin(40\°)}{b}

b=\frac{7}{sin(45\°)}sin(40\°)\\\\b=6.4\ units

6 0
3 years ago
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yuradex [85]
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4 years ago
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3 years ago
5 ( x + y) +3 (2x +y)​
satela [25.4K]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
HELP simple question
lawyer [7]

Answer:

I think it’s step 2 where she distributed the exponents incorrectly but she got it right so since no explanation is really needed then I guess it’s step 2.

step 1 where she divided 5 on both sides. Step 3 is also correct since the answer is 0. so step 2 had the mistake.

5 0
3 years ago
Read 2 more answers
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