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Karo-lina-s [1.5K]

4 years ago

11

How can the quotient for problem 2 help you find the quotient for problem 3 ? Problem 2:5 divided by 20 =4 & problem 3: 4 di

vided by 20= 5

1 answer:

ozzi4 years ago

8 0

It helps you because it's the same fact family

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Katie solved the equation by completing the square. X2+12x−7=0 which equation shows one of the steps katie could have taken to c

sdas [7]

solution:

$x^{2}+12x-7=0\\add 7 to both side of the equation\\x^{2}-12x=7\\to creat a trinomial square on the left side of the equation.\\find a value that is equal to the square of b and the cofficent of x.\\(\frac{b}{2})^2=(-6)^2\\add the term to each side of the equation\\x^2-12x+(-6)^2=7+(-6)\\x^2-12x+36=43\\(x-6)^2=43\\solve the equation for x.\\$ $take the square root of each side of the equation to the set up the solution x,\\(x-6)^2.\frac{1}{2}=\pm \sqrt{43}\\x-6=\pm \sqrt{43}\\x=6\pm \sqrt{43}$

4 0

3 years ago

Read 2 more answers

Convert 4(pi)/3 to degrees.

hoa [83]

Radian to degree conversion.
4(pi)/3 degrees= 4(pi)/3 × 180/pi radians

As pi radians= 180 degrees
Dividing both sides by pi :
pi / pi radian= 180/pi degrees
1 radian=180/pi degrees

4 × pi /3 × 180/ pi
pi and pi gets cancelled.
180/3= 60
4× 60
=240 degrees
Answer is option C.

8 0

3 years ago

Read 2 more answers

In ΔEFG, the measure of ∠G=90°, the measure of ∠F=38°, and FG = 6.7 feet. Find the length of EF to the nearest tenth of a foot.

Verizon [17]

Answer:

8.5

Step-by-step explanation:

4 0

3 years ago

What is 87,200,000 written in scientific notation?

Elan Coil [88]

Answer:

8.72 • 10^7

Step-by-step explanation:

3 0

4 years ago

Read 2 more answers

Dividing my dog’s age by 4 and adding 6 is the same as dividing my dog’s age by 8 and adding 8.

sergiy2304 [10]

Answer:

16

Step-by-step explanation:

a = age

$\frac{a}{4} + 6 = \frac{a}{8} + 8$
you will multiply by 8 now
$2a + 48 = a + 64$
now move a's with a's and the numbers that don't have a variable with each other
$2a - a = 64 - 48$
now subtract
$a = 16$
I hope it helps you!

4 0

3 years ago