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Leviafan [203]
1 year ago
9

Solve the quadratic equation by completing the square.x^2-14x+46=0First choose the appropriate form and fill in the blanks with

the correct numbers. Then solve the equation. If there’s more than one solution, separate them with commas.

Mathematics
1 answer:
Kaylis [27]1 year ago
7 0

x² - 14x + 46 = 0

subtract 46 from both-side

x² - 14x = -46

Add the square of the half of the co-efficient of x

x² - 14x + (-7)² = -46 + 7²

(x-7)² = -46 + 49

(x-7)² =3

Take the square root of both-side

x-7 = ±√3

x-7= ±1.732

Add 7 to both-side of the equation.

x= 7 ± 1.732

Eithe x= 7 + 1.732 or x= 7 - 1.732

x=8.732 or x=5.268

Therefore x = 8.732 , 5.268

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Kinsley's age is 7 years less than twice Jacob's age. If Kinsley is 13 years old, how old is Jacob? Choose the answer below that
valina [46]

Answer:

10

Step-by-step explanation:

K = 13 J = ?

2J - 7 = 13

2J = 20

J = 10

6 0
3 years ago
Allison's team scored 78 points in total. Nineteen of the baskets counted 1 point each. The remaining 27 baskets we're 2 point a
sweet [91]

Answer:

1 point baskets = 19

2 point baskets = 22

3 point baskets = 5

Step-by-step explanation:

Given:

Number of points scored (P) = 78

Number of 1 point baskets = 19

Number of 2 and 3 points basket = 27

Let the number of 2 point baskets be 'x' and 3 point basket be 'y'.

Therefore,

x+ y=27\\\\y=27-x

Now, points scored per 2 point basket = 2

So, points scored for 'x' baskets = 2x

Also, points scored for 'y' baskets = 3y=3(27-x)=81-3x

Now, total points scored is equal to the sum of 1 point baskets, 2 point baskets and 3 point baskets. Therefore,

P=19+2x+81-3x\\\\78=100-x\\\\x=100-78\\\\x=22

Therefore, number of 2 point baskets = 22

Now, number of 3 point baskets = 27 - 22 = 5

So, there were 19 one point baskets, 22 two point baskets and 5 three point baskets.

7 0
3 years ago
Read 2 more answers
Lauryn grew p tomato plants. Padma grew 5 fewer than 3 times the number Lauryn grew. Kent grew 6 more than 4 times the number La
mojhsa [17]

Answer:

T= 8p+1

Step-by-step explanation:

Given :Lauryn grew p tomato plants. Padma grew 5 fewer than 3 times the number Lauryn grew. Kent grew 6 more than 4 times the number Lauryn grew.

To Find: a simplified expression to represent the total number of tomato plants that Lauryn, Padma, and Kent grew.

Solution :

Let total number of tomatoe plants be T

Since we are given that Lauryn grew tomato plants = p

We are also given that Padma grew 5 fewer than 3 times the number Lauryn grew.

⇒ 3p-5

We are also given that  Kent grew 6 more than 4 times the number Lauryn grew.

⇒ 4p+6

So, total number of tomato plants :

⇒ T= p+3p-5+4p+6

⇒ T= 8p+1

Hence  a simplified expression to represent the total number of tomato plants that Lauryn, Padma, and Kent grew is T= 8p+1

8 0
4 years ago
The table below summarizes baseline characteristics on patients participating in a clinical trial
Stels [109]
The best and most correct answer among the choices provided by the question is the fifth choice which is both A and B.


Age and total cholesterol are <span>baseline characteristics are significantly different (at the 0.05 level of significance) between treatment groups.</span>
I hope my answer has come to your help. God bless and have a nice day ahead!
8 0
4 years ago
Solve the system of equations.<br> X = 3y + 4<br> 4x - 12y = 16<br><br> please help :(
mario62 [17]
Omg this is relly harf
8 0
3 years ago
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