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3 years ago

You might need: What is the next term of the geometric sequence? -1/7, 4/7, -16/7

Mathematics

2 answers:

Kryger [21]3 years ago

5 0

A4= 64/7 a5=-256/7 a6=1024/7

andrey2020 [161]3 years ago

3 0

Answer:

64/7

Step-by-step explanation:

Hope this helps!

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Amanda's family is taking a road trip. Their car can travel no more than 352 miles without needing to refill the gas tank. They

Solnce55 [7]

From the solution to the inequality, the correct interpretation is that:

Amanda's family can drive 244 miles before they need to refill the gas tank.

The amount of miles they can still travel is modeled by the following <em>inequality</em>:

$108 + x \leq 352$

It is solved similarly to an equality, hence:

$x \leq 352 - 108$

$x \leq 244$

Then:

Amanda's family can drive 244 miles before they need to refill the gas tank.

You can learn more about inequalities at brainly.com/question/25629776

6 0

2 years ago

A smartphone costs $250. Sales tax is 5%. What is the total cost, including tax?

ludmilkaskok [199]

Answer:

ima guess $262.50

Step-by-step explanation:

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3 years ago

Give all solutions if the nonlinear system of equations, including those with no real complex components.

konstantin123 [22]

$\left\{\begin{array}{ccc}y=x^2+6x\\4x-y=-24\end{array}\right\\\\substitute:\\\\4x-(x^2+6x)=-24\\\\4x-x^2-6x+24=0\\\\-x^2-2x+24=0\\\\a=-1;\ b=-2;\ c=24\\\\\Delta=b^2-4ac$

$\Delta=(-2)^2-4\cdot(-1)\cdot24=4+96=100\\\\x_1=\frac{-b-\sqrt\Delta}{2a};\ x_2=\frac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt{100}=10\\\\x_1=\frac{2-10}{2\cdot(-1)}=\frac{-8}{-2}=4;\ x_2=\frac{2+10}{2\cdot(-1)}=\frac{12}{-2}=-6\\\\y_1=4^2+6\cdot4=16+24=40;\ y_2=(-6)^2+6\cdot(-6)=36-36=0\\\\Answer:\\x=4\ and\ y=40\ or\ x=-6\ and\ y=0$

4 0

3 years ago

Read 2 more answers

Kim is 5 years older than her brother Jack. If the sum of their ages is 21, find each of their ages.

yarga [219]

9514 1404 393

Answer:

Kim is 13
Jack is 8

Step-by-step explanation:

Let k represent Kim's age. Then Jack's age is k-5 and the total of their ages is ...

k + (k -5) = 21

2k = 26 . . . . . . . add 5, collect terms

k = 13 . . . . . . . . . divide by 2; Kim's age

k -5 = 8 . . . . . . . Jack's age

Kim is 13; Jack is 8.

7 0

3 years ago

I need help finding functions

velikii [3]

Answer:

y= 7
y= -3
y= -4
y= -8

Step-by-step explanation:

y= -5x+1

=-5.-1+1

Now you can do this method

3 0

3 years ago

You might need: What is the next term of the geometric sequence? -1/7, 4/7, -16/7​

You might need: What is the next term of the geometric sequence? -1/7, 4/7, -16/7