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mr_godi [17]
2 years ago
12

What divides into 78?? Thanks for your help if your trying to solve it <3

Mathematics
1 answer:
Mademuasel [1]2 years ago
5 0
6 divides into 78 which gives a quotient of 13.
Hope i'm the brainliest!
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Rationalize the denominator and simplify 6/√2-√3
ss7ja [257]
Answer:

<span>=3<span>√6</span>−3<span>√5</span></span>

Explanation:

<span>3<span><span>√5</span>+<span>√6</span></span></span>

We rationalise the denominator by multiplying the expression by the conjugate of the denominator. <span><span>√5</span>−<span>√6</span></span>

<span><span>3⋅<span>(<span>√5</span>−<span>√6</span>)</span></span><span><span>(<span>√5</span>+<span>√6</span>)</span>⋅<span>(<span>√5</span>−<span>√6</span>)</span></span></span>

<span>=<span><span>3⋅<span>(<span>√5</span>)</span>+3⋅<span>(−<span>√6</span>)</span></span><span><span>(<span>√5</span>+<span>√6</span>)</span>⋅<span>(<span>√5</span>−<span>√6</span>)</span></span></span></span>

<span>=<span><span>3<span>√5</span>−3<span>√6</span></span><span><span>(<span>√5</span>+<span>√6</span>)</span>⋅<span>(<span>√5</span>−<span>√6</span>)</span></span></span></span>

<span>Applying identity
<span><span>(a+b)</span><span>(a−b)</span>=<span>a2</span>−<span>b2</span></span> to the denominator.</span>

<span>=<span><span>3<span>√5</span>−3<span>√6</span></span><span><span><span>(<span>√5</span>)</span>2</span>−<span><span>(<span>√6</span>)</span>2</span></span></span></span>

<span>=<span><span>3<span>√5</span>−3<span>√6</span></span><span>5−6</span></span></span>

<span>=<span><span>3<span>√5</span>−3<span>√6</span></span><span>−1</span></span></span>

<span>=−3<span>√5</span>+3<span>√6</span></span>

<span>=3<span>√6</span>−3<span>√<span>5
</span></span></span>

5 0
3 years ago
On James’s MP3 player, he has 12 sad songs and 40 upbeat songs that he wants to put into playlists. He wants to have the same nu
Paul [167]
4 playlists is the correct answer
6 0
3 years ago
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Simplify and write the answer in exponential form. 3^4 x 3^5 a.) 3^9
givi [52]

Answer:

<h3>(a) 3^9</h3>

Step-by-step explanation:

<h3> IN EXPONNETIAL FORM :</h3>

<h3>– (a^m× a^n) = (a^m+n)</h3>

<h3>3^4 × 3^5 = 3^4+5 = </h3>

<h2>3^9 </h2>

<h3 />
5 0
3 years ago
Slope of the line that passes through (3, -11) and (0, 4), please!
Lorico [155]

Answer:

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Step-by-step explanation:

slope formula= \frac{y1 - y2}{x1 - x2}

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=  \frac{4 - ( - 11)}{0 - 3}  \\  =  \frac{4 + 11}{ - 3}  \\  =  \frac{15}{ - 3}  \\  =   - 5

6 0
3 years ago
Svp aidez moi )
34kurt

Answer:

Dans 3 ans  l’âge du père sera le triple de celui de sa fille

Step-by-step explanation:

X= années qui doivent passer

3(12+X ) = 42 +X

36+ 3X = 42 +X

2X = 6

X = 3

La fille   15 ans

Le  père 45 ans   (15x3=45)

3 0
3 years ago
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