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Flauer [41]
4 years ago
14

Multiply the binomials (5x+3) And (2x+4)

Mathematics
1 answer:
Sav [38]4 years ago
3 0

Answer:

(5x+3)(2x+4)=10x^2+26x+12

Step-by-step explanation:

You use FOIL (First, Outer, Inner Last)

First: 5x times 2x= 10x^2

Outer: 5x times 4= 20x

Inner: 3 times 2x= 6x

Last= 3 times 4

Combine 20x and 2x to get 26x

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Right angled triangle calc: find a, b=24, c=33.94113
Ksenya-84 [330]
Use the Pythagorean theorem...
a²+b²=c², in this case a²=c²-b<span>²</span>

a²+24²=33.94113<span>²

a</span><span>²+576=1,152.00031

a</span><span>²=576.000306

a=24    (If you need the exact number, not rounded, it is 24.0000064)</span>
5 0
3 years ago
Calculate the Rate of Return on an initial investment of $6,000 valued at $6,500.
bezimeni [28]

Answer:

8.3%

Step-by-step explanation:

8 0
3 years ago
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Samantha can complete her homework in 3/5 of an hour her brother can complete it in 5/6 of that time what part of an hour does i
s2008m [1.1K]
I think it takes her brother 30 minutes to complete his homework.

Because 3/5 of an hour is 36/60

5/6 = 30/36

Hope this helps! :)
4 0
3 years ago
If the Nutrition Facts panel on a food label indicates that a food has 24 g of total carbohydrates, 2 g of fiber and 12 g of sug
Ann [662]

Answer:

Option a is correct.

Step-by-step explanation:

Since both fiber and sugar are types of carbohydrates and it is given that a portion of food has 24 gm of total carbohydrate and within which 2 gm of fiber and 12 gm of sugar.

Therefore, this food contains 2 g of fiber, 12 g of sugars, and 10 g of other unnamed carbohydrates, for a total of 24 g.  

Hence, option (a) is correct. (Answer)

5 0
3 years ago
Is the expression 4x − 3(5x − 1) is equivalent to the expression 3 + 9x.<br> true <br> faulse
Brilliant_brown [7]
False because 4x-3(5x-1) is -14x and 3+9x is 6x
3 0
3 years ago
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