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stealth61 [152]
3 years ago
12

Factor completely x2+ 9x + 20

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
4 0

Answer:

(x + 5) (x + 4)

Step-by-step explanation:

Simplify the following:

x^2 + 9 x + 20

The factors of 20 that sum to 9 are 5 and 4. So, x^2 + 9 x + 20 = (x + 5) (x + 4):

Answer: |

| (x + 5) (x + 4)

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Jodie spent 25% less buying her English reading books thank Claudia. .Gianna spent 9% less than Claudia. Gianna spent more than
Vikki [24]

Answer:

21.3%

Step-by-step explanation:

Given that:

Money spent by Jodie for buying English reading books = 25% lesser than that of Claudia

and

Money spent by Gianna is 9% lesser than that of Claudia.

To find:

By what percent, Gianna spent more than Jodie ?

Solution:

Let the money spent by Claudia on her English books = 100

Now, as per question statement:

Money spent by Jodie = 100 - \frac{9}{100}\times 100 = 75

Money spent by Gianna = 100 - \frac{25}{100}\times 100 = 91

Now, to find the answer:

\dfrac{\text{Difference between money spent by Gianna and Jodie}}{\text{Money spent by Jodie}}\times 100

\Rightarrow \dfrac{91-75}{75}\times 100\\\Rightarrow \dfrac{16}{75}\times 100\\\Rightarrow \bold{21.3\%}

Therefore, Gianna spent <em>21.3% </em>more than the amount that was spent by Jodie.

4 0
3 years ago
This is multi step equations<br><br>+ 11 +8<br>29​
navik [9.2K]

Answer:

the sum is 48

Step-by-step explanation:

11 + 8 is equal to 19. When you add 29 to 19 the sum would be 48

3 0
3 years ago
There are a total of coins when dimes and nickels are combined. The total amount is 80 cents. How many dimes and nickels are the
denpristay [2]
Can you give me more details so I can help please
6 0
3 years ago
Factor the following polynomial:<br> 5x(a - b) – 2y(a - b)
Afina-wow [57]

Answer:

(a - b)(5x - 2y)

Step-by-step explanation:

5x(a - b) – 2y(a - b) =

The factors in parentheses (shown in bold) are a common factor.

Factor (a - b) out from both terms.

= (a - b)(5x - 2y)

5 0
3 years ago
When csc(O)sin(0) is simplified, what is the result?
Olin [163]

Answer:

This is not my answer, it was done by another expert in Brainly.

We are given:  

csc (0) * sin (0)  

This is to be simplified using trigonometric identities:  

csc (x) = 1/sin(x)  

so, csc (0) = 1/sin(0)  

then,  

1/sin(0) * sin (0), the result will be sin(0) / sin (0) which is equal to 1.  

Therefore, the answer is 1.

3 0
2 years ago
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