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Paladinen [302]
3 years ago
13

PLZ HELP ME MARK AS BRAINLY HOWEVER ANSWERS FIRST!!!!

Mathematics
1 answer:
Darina [25.2K]3 years ago
8 0

Answer:

115

Step-by-step explanation:

When multiplying a fraction by a fraction, you multiply the numerator by the numerator and same with the denominator. 13 times 4 =52,  7 times 9=63, 52+63=115.  Hope this helps!

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Please I really need help
san4es73 [151]

Answer:

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Step-by-step explanation: x√=x−2

I really hope this helps i'm not that smart with this....


4 0
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Which numbers below belong to the solution set of the equation 16x=224
Taya2010 [7]

x would equal 14 hope this helps

5 0
3 years ago
What is the square root of 625
QveST [7]
De finition:\\\sqrt{a}=b\ \iff b^2=a\\=====================\\\\

625|5\\125|5\\.\ 25|5\\.\ \ 5|5\\.\ \ 1|\\\\625=5\times5\times5\times5=5^2\times5^2\\\\\sqrt{625}=\sqrt{5^2\times5^2}=(*)\\-------------------------------\\use:\ \sqrt{a\times b}=\sqrt{a}\times\sqrt{b}\ and\ \sqrt{a^2}=a\ for\ a\geq0\\-------------------------------\\(*)=\sqrt{5^2}\times\sqrt{5^2}=5\times5=\boxed{25}

Other\ solution:\\\\\sqrt{625}=25\ because\ 25^2=25\times25=625
6 0
3 years ago
Write the slope intercept equation for a line with the given points m=3/8, passes through (4,5)
natta225 [31]

Answer:

The answer is: y = 3/8x + 28/8

Step-by-step explanation:

Given point: (4, 5)

Given slope m = 3/8

Uset the point slope form:

y - y1 = m(x - x1)

y - 5 = 3/8(x - 4)

y - 5 = 3/8x - 12/8

y = 3/8x - 12/8 + 5

y = 3/8x - 12/8 + 40/8

y = 3/8x + 28/8

Proof, use point (4, 5):

f(x) = 3/8x + 28/8

f(4) = 3/8(4) + 28/8

= 12/8 + 28/8

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6 0
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UkoKoshka [18]
To find the sum, add. To find the difference, subtract. It's simple terminology in mathematics. Hope I helped!
5 0
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