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Soloha48 [4]
4 years ago
6

Use the zero product property to find the solution to the equation x^2 +12=7x

Mathematics
2 answers:
Fittoniya [83]4 years ago
8 0

Answer: x=3 or x=4

Step-by-step explanation:

pochemuha4 years ago
6 0
X2 + 12 = 7x x2 – 7x + 12 = 0factor the equation (x – 3 ) ( x – 4 ) = 0 Then equating both factor to 0 X – 3 = 0 X = 3 And X – 4 = 0 X = 4 So the answer is X = 3 X =4 
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In my number, the digit in the ones place is double the digit in the tens place. The sum of the digits is 3​
Marrrta [24]

Answer:

12

Step-by-step explanation:

2, the digit in the ones place is double 1, the digit in the tens place. 2 + 1 = 3.

Hope this helps!

4 0
4 years ago
At an amusement park, the cost of 3 adult tickets and 4 children’s tickets is $126.50. Another customer paid $120.50 for 2 adult
Nastasia [14]

Answer 5 for kid 12 for adult

Step-by-step explanation:

7 0
3 years ago
The equation 7.50(n+0.2)=189 can be used to model the number of books, n , maggie orders. How many books does maggie order?
Reptile [31]
N= number of books

7.50(n + 0.2)=189
multiply 7.50 by each term in parentheses

(7.50*n) + (7.50*0.2)= 189
7.50n + 1.5= 189
subtract both sides by 1.5
7.50n= 187.50
divide both sides by 7.50
n= 25

ANSWER: She ordered 25 books.

Hope this helps! :)
4 0
3 years ago
You can sand frac{4}{9}
Reptile [31]

Answer:

Step-by-step explanation:

2 and 38/45 square yards can be sanded in 3.2 hours.

Step-by-step explanation:

1/2 of an hour is 30 minutes. so 4/9 for every 30 minutes. 1 hour is 8/9. So 3 2/10 would be 3 hours =24/9=2 6/9 and 2/10 would be ( if 5/10 is 30 minutes then 2/10 is 12 minutes.) 8/9 x 1/5 = 8/45. (24 x 5 = 120) 120/45 + 8/45 is 128/45 = 2 38/45

7 0
3 years ago
The volume of gas in a container at a constant temperature varies inversely as the pressure. If the volume is 32 cubic centimete
aleksklad [387]

Step-by-step explanation:

Given that,

The volume of gas in a container at a constant temperature varies inversely as the pressure.

V_1=32\ cm^3\\\\P_1=8\ \text{pounds}\\\\V_2=60\ cm^3

We need to find pressure P_2.

According to question,

\dfrac{V_1}{V_2}=\dfrac{P_2}{P_1}

Putting all the values

P_2=\dfrac{P_1V_1}{V_2}\\\\P_2=\dfrac{8\times 32}{60}\\\\P_2=4.26\ \text{pounds}  

So, the pressure is 4.26 pounds.

7 0
3 years ago
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