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Makovka662 [10]

1 year ago

15

What is the decimal value of 4/11

1 answer:

shepuryov [24]1 year ago

8 0

The decimal value of 4/11 is 0.36 repeating.

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1.) Johnny and Alex went on a fishing trip and caught 31 fish. Johnny caught one less than

marta [7]

Answer:

4x = 32. Where x = number Alex and 3x - 1 is the number caught by Johnny.

Step-by-step explanation:

Let the number of fish that Alex caught be x.

Then the number of fish Johnny caught is

3x - 1.

So 3x - 1 + x = 31

4x = 32.

5 0

2 years ago

Show that the equation x cubed + 8x = 30 has a solution between x = 2.2 and x =2.3 ?

tatuchka [14]

$x^3+8x=30\\
x^3+8x-30=0\\\\
2.2^3+8\cdot2.2-30=10.648+17.6-30=-1.752\\
2.3^3+8\cdot2.3-30=12.167+18.4-30=0.567
$

For $x=2.2$ the value of $x^3+8x-30$ is negative, and for $x=2.3$ the value is positive which means between $x=2.2$ and $x=2.3$ there is an x for which the value of $x^3+8x-30$ is equal to 0 and therefore there is a solution.

4 0

2 years ago

How many different ways can i select 2 of 6 candy bars?

Westkost [7]

You have 12 ways to select 2 of 6 candy bars.

8 0

2 years ago

Ilia_Sergeevich [38]

Problem 1 Answer: $x=10$

<u>Simplify both sides of the equation</u>

<u></u> $(2)(x)+(2)(-3)=14(Distribute)$ <u></u>

<u></u> $2x+-6=14$ <u></u>

<u></u> $2x-6=14$ <u></u>

<u></u>

<u>Add 6 to both sides</u>

$2x-6+6=14+6$

$2x=20$

<u></u>

<u>Divide both sides by 2</u>

<u></u> $2x/2=20/2$ <u></u>

<u></u> $x=10$ <u></u>

----------------------------------------------------------------

Problem 2 Answer: $x=-7$

<u></u>

<u>Simplify both sides of the equation</u>

<u></u> $(-5)(x)+(-5)(-1)=40(Distribute)$ <u></u>

<u></u> $-5x+5=40$ <u></u>

<u></u>

<u>Subtract 5 from both sides</u>

<u></u> $-5x+5-5=40-5$ <u></u>

<u></u> $-5x=35$ <u></u>

<u></u>

<u>Divide both sides by -5</u>

<u></u> $-5x/5=35/-5$ <u></u>

<u></u> $x=-7$ <u></u>

----------------------------------------------------------------

Problem 3 Answer: $x=-8$

<u></u>

<u>Simplify both sides of the equation</u>

<u></u> $(12)(x)+(12)(10)=24(Distribute)$ <u></u>

<u></u> $12x+120=24$ <u></u>

<u></u>

<u>Subtract 120 from both sides</u>

<u></u> $12x+120-120=24-120$ <u></u>

<u></u> $12x=-96$ <u></u>

<u></u>

<u>Divide both sides by 12</u>

<u></u> $12x/12=-96/12$ <u></u>

<u></u> $x=-8$ <u></u>

----------------------------------------------------------------

Problem 4 Answer: $x=-1/2$

<u></u>

<u>Move all terms to the left:</u>

<u></u> $2(x+6)-(11)=0$ <u></u>

<u></u>

<u>Multiply parentheses</u>

<u></u> $2x+12-11=0$ <u></u>

<u></u>

<u>Add all the numbers together, and all the variables</u>

<u></u> $2x+1=0$ <u></u>

<u></u>

<u>Move all terms containing x to the left, all other terms to the right</u>

<u></u> $2x=-1\\x=-1/2$ <u></u>

----------------------------------------------------------------

Problem 5 Answer: $x = 44$

3 0

2 years ago

Read 2 more answers

HELP ME OUT PLEASE URGENT

gizmo_the_mogwai [7]

I think its 10

Correct me if im wrong

But all u have to do is multiply 2.5 x 4=10

7 0

2 years ago