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Alexeev081 [22]
2 years ago
14

Help please . number 2 .

Mathematics
1 answer:
givi [52]2 years ago
4 0

Answer:

D

Step-by-step explanation:

10x² - 25x + 15 = 0

Divide by 5 both sides,

2x² - 5x + 3 = 0

(x - 1) (2x - 3) = 0

Factors: x - 1 and 2x - 3

Answer: D

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Carmen reads 2/3 chapters in 7/8 hours. What is the unit rate in chapters per hour?
mr Goodwill [35]

Answer:

16/21

Step-by-step explanation:

Divide both sides by 7 to get 1/8

2/3 = 7/8

1/7 x 2/3 = 7/8 x 1/7

2/21 = 1/8

Then multiply both sides by 8 to get 8/8 which is 1

8/1 x 2/21 = 1/8 x 8/1

16/21 = 1

3 0
3 years ago
Call a household prosperous if its income exceeds $100,000. Call the household educated if the householder completed college. Se
melisa1 [442]

Answer:  0.317

Step-by-step explanation:

Let A be the event that the selected household is prosperous and B the event that it is educated.

Given : P(A)=0.138,   P(B)=0.261

P(A and B)=0.082

We know that for any events M and N ,

\text{P(M or N)=P(M)+P(N)-P(M or N)}

Thus , \text{P(A or B)=P(A)+P(B)-P(A or B)}

\text{P(A or B)}=0.138+0.261-0.082\\\\\Rightarrow\text{ P(A or B)}=0.317

Hence, the probability P(A or B) that the household selected is either prosperous or educated = 0.317

8 0
3 years ago
Please Help Me
Rufina [12.5K]
$160 + $12.50= $172.50
$215 - $172.5= $42.50
Your answer is $42.50
4 0
3 years ago
What is the answer to this?
katrin [286]

Answer:

\huge\boxed{-28}

Step-by-step explanation:

We can substitute the given values of a, b, and c to find the value of this expression.

-4 | a + b - c|

-4 | 3 + (-2) - (-6)|

We know that <em>two negatives make a positive. </em>This means that -2 - (-6) will be the same this as -2+6

-4 | 3 + -2 + 6|

Adding a negative is the same as subtracting a positive.

\4 | 3-2+6|\\\\3-2+6 = 7

-4 \cdot 7 = -28

Hope this helped!

7 0
3 years ago
Read 2 more answers
What is $3.00 times 40
PSYCHO15rus [73]

the answer is 120.00 dollars

6 0
3 years ago
Read 2 more answers
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