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Marina CMI [18]
2 years ago
10

Solve the following equation by completing the square. Enter your answers from smallest to largest. Round your answer you answer

s to the nearest hundredths if necessary. a2+19a+66=6
Mathematics
1 answer:
lukranit [14]2 years ago
3 0
A2 + 19a + 66= 6
Answer - a = -4 or a = -15
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tamaranim1 [39]
Your answer is:

B. subtract 10 to both sides

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5 0
3 years ago
Wich is corect btw this is homework
Amanda [17]

Answer:68 with the little two

Step-by-step explanation:

5 0
3 years ago
The area of a square is 64 square units. How many units long is each of its sides?
skelet666 [1.2K]
<h2>Area of a square = side × side</h2>

Let the side = x

{x}^{2}  = 64 \\ x =  \sqrt{64}  \\ x = 8

<h3>Length of each side = <u>8</u><u> </u><u>units</u></h3>

.... Hope this will help....

3 0
2 years ago
Given m LMN = 145°, what is m XMN?
astra-53 [7]

Answer:

m∠XMN = 80°

Step-by-step explanation:

you know that:

4x + 5 + 6x - 10 = 145

solve for x:

10x - 5 = 145

10x = 150

x = 15

Use this information to solve for m∠XMN

6(15) - 10

90 - 10

80

m∠XMN = 80°

7 0
3 years ago
You want to take a trip to the beach, which costs $450. You
poizon [28]

Answer:

900 - 60n ≥ 450

n ≤ 7.5

Answer: 7 weeks

Step-by-step explanation:

Let n = numberof weeks.

In n weeks, you withdraw 60n from the account.

After withdrawing $60 for n weeks, teh amount must be at least $450. At least $450 means greater than or equal to $450.

900 - 60n ≥ 450

-60n ≥ -450

n ≤ 7.5

Answer: 7 weeks

7 0
2 years ago
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