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levacccp [35]
2 years ago
11

What are the solutions to the quadratic equation x2 – 16 = 0?

Mathematics
2 answers:
kykrilka [37]2 years ago
5 0

Answer:

its b

Step-by-step explanation:

i got it right on the test

exis [7]2 years ago
4 0

Answer:

2nd choice: x=4 and x=-4

Step-by-step explanation:

x^2 - 16 = 0 can be simplified to (x-4)(x+4)=0

x-4 = 0 so x = 4

and x + 4 = 0 so x = -4

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15. Sensei's Judo Club has a competition for
marta [7]

Answer:

6 grapples

Step-by-step explanation:

x = number of wins

y = number of ties

y = 15 - x

48 = 5x + 2y

48 = 5x + 2(15 - x)

48 = 5x + 30 - 2x

48 = 3x + 30

18 = 3x

x = 6

3 0
2 years ago
Use the given numbers above the table in multiplying integers and to fill in the blanks inside the box.​
Jet001 [13]

Answer:

Step-by-step explanation:

1 × 5 = 5

(- 2) × (- 3) = 6

4 × (- 6) = - 24

I hope I've helped you.

8 0
2 years ago
Read 2 more answers
Just answer number 7 and 8
melamori03 [73]
We are given the equation:
F = 2.25+0.2(m-1)
where:
F is the fare
m is the number of miles.

In question 7, we are given that the fare (F) is equal to $6.05 and we need to get the number of miles. To do so, we will simply substitute with the fare in the given equation and solve for the number of miles (m) as follows:
F = 2.25 + 0.2(m-1)
6.05 = 2.25 + 0.2(m-1)
6.05-2.25 = 0.2(m-1)
3.8 = 0.2(m-1)
3.8/0.2 = m-1
19 = m-1
m = 19+1
m = 20 miles

Number 8 is exactly the same, but we will substitute F=7.65 and again solve for m
4 0
3 years ago
01:36:08
Angelina_Jolie [31]

Answer:

check online for more information

7 0
2 years ago
A circle has a radius of 12 and a center at (-7,4)<br> Find the equation of the circle
Eddi Din [679]
<span>The equation for the circle is

</span><span>(x+7)^2+(y-4)^2=12^2 </span>
4 0
3 years ago
Read 2 more answers
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