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Natasha2012 [34]
3 years ago
5

Which of the following is a factor of 10xy − 5y + 18x − 9?

Mathematics
1 answer:
Naddika [18.5K]3 years ago
3 0
1.1 Split 10xy - 5y + 18x - 9
into two 2-term polynomials
- 5y + 10xy and + 18x - 9
This partition did not result in a factorization. We'll try another one:

10xy - 5y and + 18x - 9
This partition looks good

1.2 Pull out from each binomial separately
10xy - 5y = 5y • (2x - 1)
+ 18x - 9 = + 9 • (2x - 1)

1.3 Add up to arrive at the desired factorization
(5y + 9) • (2x - 1)

Factorization found :

(5y + 9) • (2x - 1)
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Anyone know these two questions??
gogolik [260]

1):  Answer  =====>  Letter Choice, (B),  The rate in which you walked home, The slope is the same, as the Rate of Change, In Distance Divided by the Change in Time  =====>    d    =     4   -1/15t(4) / 1/15t

 

2):   The Equation:  d     =       -1/15t     +     4

The more the Number of Minutes:  Larger the Negative Quantity;  ====>   -1/15t

The Larger the Negative Quantity in Equation:  D value is Smaller:

Therefore your Answer ===>  The Distance from home (d), Decreased with Minute Walked (t)  ====>  So, Letter Choice,  (C)



2):   Towards your home, The slope is Negative, and the Distance (y - value), Decreases, as the Time  (x- Values),  Increases. Notice the Slope is Negative, Because, you are getting closer to home.






Hope that helps!!!!                                           : )

7 0
3 years ago
A bed is 2400 a discount of 25% was given on the
Brrunno [24]

Answer:

800

Step-by-step explanation:

Given: The selling price of bed is 2400.

          Discount offered is 25%

Lets assume the cost of bed be "x"

Discount offered on the cost price of bed= \frac{25}{100} \times x= 0.25x

∴ Discount offered on the cost price of bed= 0.25x

We know the selling price of bed after discount provided.

Finding the cost price of the bed.

⇒ x-0.25x= 2400

⇒ 0.75x= 2400

cross multiplying both side.

∴ x= \frac{2400}{0.75} = 3200

∴ Cost price of the bed is 3200.

We know selling price of the bed is 2400.

Now, finding the saving.

Saving on the price of bed= Cost price- selling price

Saving= 3200-2400= 800

Hence, saving on the purchase of the bed is 800.

7 0
3 years ago
4.05 as a mixed number
kondor19780726 [428]
4.05 in a mixed number is 4 1/2
6 0
3 years ago
Read 2 more answers
Which expressions are equivalent to ( 10 x 18) + (10 x s)
kolezko [41]

Answer:

10×18=180

180+(10s)

if it is equal to zero

s is -18

4 0
3 years ago
Consider this equation:
alexandr1967 [171]

Answer:

we are given the function –2x – 4 + 5x = 8  and is asked in the problem to solve for the variable x in the function. In this case, we can first group the like terms and put them in their corresponding sides:

-2x + 5x =8+4

Then, do the necessary operations.

3x = 12

x = 4.

The variable x has a value of 4.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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