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2 years ago

Help please. I'm stuck.

Mathematics

1 answer:

sweet-ann [11.9K]2 years ago

3 0

Answer:

Step-by-step explanation:

Each bracelet takes 28+10 = 38 elastic bands. If you have 600 bands, you can make ...

600/38 = 15 30/38 . . . bracelets

You can make 15 complete bracelets.

You will have 30 elastic bands left over.

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Which compound inequality could be represented by the graph

Ierofanga [76]

Answer:

$x\leq 3$ or $x\geq -1$

Step-by-step explanation:

Verify the solution of each case

case 1) we have

$-4\leq x\leq 4$

Divide the compound inequality into two inequalities

$x\leq 4$ ---> solution is the interval (-∞,4]

$-4\leq x$ ---> solution is the interval [-4,∞)

The solution of the compound inequality is

[-4,∞) ∩ (-∞,4] ----> [-4,4]

case 2) we have

$-2\leq x\leq -1$

Divide the compound inequality into two inequalities

$x\leq -1$ ---> solution is the interval (-∞,-1]

$-2\leq x$ ---> solution is the interval [-2,∞)

The solution of the compound inequality is

[-2,∞) ∩ (-∞,-1] ----> [-2,-1]

case 3) we have

$x\leq -1$ ---> solution is the interval (-∞,-1]

$x\geq 0$ ---> solution is the interval [0,∞)

The solution of the compound inequality is ----> (-∞,-1] ∪ [0,∞)

case 4) we have

$x\leq 3$ ---> solution is the interval (-∞,3]

$x\geq -1$ ---> solution is the interval [-1,∞)

The solution of the compound inequality is

(-∞,3] ∪ [-1,∞) ---->(-∞,∞)

8 0

3 years ago

In a recent awards ceremony, the age of the winner for best actor was 35 and the age of the winner for best actress was 54. For

Arada [10]

Answer:

The actress has the more extreme age because

Step-by-step explanation:

Given

Male Athletes:

$x = 35$

$\=x = 42.1$

$SD = 6.6$

Female Athletes

$x = 54$

$\=x = 34.3$

$SD = 10.1$

Required

Determine which athlete had more extreme age

To do this, we simply calculate the standard z score using

$z = \frac{x - \=x}{SD}$

For the actor:

$z = \frac{35 - 42.1}{6.6}$

$z = \frac{-7.1}{6.6}$

$z = 1.0758$

For the actress:

$z = \frac{54 - 34.3}{10.1}$

$z = \frac{19.7}{10.1}$

$z = 1.950$

Comparing both z values;

The actress has the more extreme age because

It has a positive z value
Its z value is greater than that of the actor

6 0

3 years ago

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Mazyrski [523]

Answer:

QT and ST

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Step-by-step explanation:

There are 2 of the answer choice that are correct. QT and ST, RS and SW.

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Answer:

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Step-by-step explanation:

45 so it would be reduced by 25%

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Step-by-step explanation:

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