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3 years ago

What is this 2x-5+22=?

2 answers:

7 0

<h2><u>Answer:</u></h2><h2><u></u> $\boxed{\boxed{\sf{2x+17}}}$ <u></u></h2><h2><u></u></h2><h2><u>Solution Steps:</u></h2>

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$-5+22=17$

<em> - You could also solve this by flipping the numbers around and subtracting 22 - 5, Which still gives you 17. </em>

<u />

So your answer is $\bold{(2x+17)}$ .

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skelet666 [1.2K]3 years ago

5 0

Answer: 2x+17

Step-by-step explanation: add -5 and 22

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The height, h, in feet of a rock above the ground is given by the equation h = -16t^2 + 24t + 16, where t is the time in seconds

boyakko [2]

The rock will hit the ground at 2 seconds.

Explanation:

Given that the height, h, in feet of a rock above the ground is given by the equation $h=-16t^2+24t+16$ , where t is the time in seconds after the rock is thrown.

We need to determine the time at which the rock will hit the ground.

To determine the time, let us equate the height h = 0 in the equation $h=-16t^2+24t+16$ , we get,

$0=-16t^2+24t+16$

Switch sides, we have,

$-16 t^{2}+24 t+16=0$

Let us solve the equation using the quadratic formula.

Thus, we have,

$t=\frac{-24 \pm \sqrt{24^{2}-4(-16) 16}}{2(-16)}$

Simplifying, we get,

$t=\frac{-24 \pm \sqrt{576+1024}}{-32}$

$t=\frac{-24 \pm \sqrt{1600}}{-32}$

$t=\frac{-24 \pm 40}{-32}$

Hence, the two values of t are

$t=\frac{-24 + 40}{-32}$ and $t=\frac{-24 -40}{-32}$

Simplifying the values, we get,

$t=\frac{16}{-32}$ and $t=\frac{-64}{-32}$

Dividing, we get,

$t=-\frac{1}{2}$ and $t=2$

Since, t cannot negative values, we have,

$t=2$

Thus, the rock will hit the ground at 2 seconds.

8 0

3 years ago

Two times the greater of two consecutive integers is 9 less than three times the lesser integer. What are the integers?

blondinia [14]

Let the two integers be x and x + 1, then
2(x + 1) + 9 = 3x
2x + 2 + 9 = 3x
3x - 2x = 11
x = 11

Therefore, the integers are 11 and 12.

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4 years ago

a single carton of juice cost $4.20. A special offer pack of 3 cartons cost $9.45. Jace bought a special offer instead of 3 sing

Ostrovityanka [42]

The 3 pack cost $9.45

3 single cartons would have cost: 3 x 4.20 = $12.60

Difference in cost: 12.60 - 9.45 = $3.15

Percent savings : 3.15/ 9.45 = 0.3333

0.333 x 109 = 33.33%

Round the answer as needed

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3 years ago

What is the difference?<br><br> 52 – 13 =<br><br> 29<br> 39<br> 41<br> 65

mylen [45]

Answer:

52-13 = 39

Step-by-step explanation:

This is simple, next time use a calculator and calculate yourself

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3 years ago

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Tom has twice as many marbles as luke. together they have 39 marbles. how many marbles does tom have?

irga5000 [103]

Tom has 26 marbles total.

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