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NeX [460]
3 years ago
10

alt="2x { }^{2} + 5x - 3" align="absmiddle" class="latex-formula">
how do I solve this​
Mathematics
1 answer:
Kaylis [27]3 years ago
5 0
If you’re factoring it, it’s

(2x - 1) (x+3)
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The inverse of this equation
In-s [12.5K]

Answer:

{f}^{ - 1}(x)  =  \frac{x + 11}{ - 5}

Step-by-step explanation:

f(x) =  - 5x - 11 \\  - 5x - 11 =x \\  - 5x = x + 11 \\  {f}^{ - 1}(x)  =  \frac{x + 11}{ - 5}

7 0
3 years ago
How can 17/20 and 7/4 make a sum of 9/10
Anika [276]

Answer:

the answer is \frac{35}{20}

Step-by-step explanation:

You have to find the common denominator in order to get the sum.

multiply 5 to \frac{7}{4} and you get \frac{35}{20}

then to double check the sum, subtract it.

\frac{35}{20}-\frac{17}{20}=\frac{9}{10}

hope this make sense :/

6 0
3 years ago
A triangle has side lengths of 8 cm, 15 cm, and 17 cm. Classify it as acute, obtuse, or right.
Westkost [7]

Answer:

15^{2}  = 225

8^{2} = 64

17^{2} = 289

15^{2}  +  8^{2} +  17^{2}

= 225 + 64 = 289

289 = 289

Hence its a right angled triangle

Hope it helps

Please mark me as the brainliest

Thank you

7 0
3 years ago
Mr. Williams owns a stable in the countryside. He created the expression below to represent the number of horses at the stable t
777dan777 [17]
A) the rate at which the number of horses was changing before mr williams began bording horses
8 0
3 years ago
does choosing a blue marble represent the compliment event of choosing a red marble? explain. (there are 2 blue, 1 red, and two
erica [24]

Answer:

choosing a blue marble does not represent the complement event of choosing a red marble because 2/5 ≠ 4/5.  

Step-by-step explanation:

The total number of marbles ⇒ 2 blue + 1 red + 2 purple = 5 marbles.

4 0
3 years ago
Read 2 more answers
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