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lubasha [3.4K]
3 years ago
9

A model airplane has a scale of 2 in: 9 yards. If the wing span of the model airplane is 18 inches, how many yards is the actual

wing span?
Mathematics
1 answer:
mote1985 [20]3 years ago
8 0

Answer:

81 yards

Step-by-step explanation:

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A particular pizza store models their pizza sales based on their price. They find that at the original price of $5 per slice, they will sell approximately 20 slices. But for $2 per slice, they will sell approximately 50 slices. The rate of change is 10 slices per dollar. can i have the brainliest

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3a-4b=12 what does a solve?
leonid [27]

Answer:

a = 4 + -1.333333333b

Step-by-step explanation:

Simplifying

3a + 4b = 12

Solving

3a + 4b = 12

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-4b' to each side of the equation.

3a + 4b + -4b = 12 + -4b

Combine like terms: 4b + -4b = 0

3a + 0 = 12 + -4b

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Divide each side by '3'.

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Simplifying

a = 4 + -1.333333333b

8 0
2 years ago
Ja'kniya and Alayjah are shopping at the Apple Store. Ja'kniya bought 4 screensavers and 3 Otterboxes for $29. Alayjah bought 6
Katarina [22]

Answer:  Each screensaver costs $2 and each Otterbox costs $7.

Step-by-step explanation:

Let x = Cost of each screensaver and y = cost of each Otterbox.

As per given, 4x+3y=29       (i)

6x +2y = 26  (ii)

Divide both sides of (i) by 2 and the multiply it by 3 on sides , we get

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Eliminate (i) from (iii) , we get

5x = 10

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Put value of x in (i), we get

4(2)+3y=29

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⇒ 3y= 21

⇒ y =7 [Divide both sides by 7]

Hence, Each screensaver costs $2 and each Otterbox costs $7.

7 0
2 years ago
Help, please show how to find x, thank you
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Notice the tickmark on the angles, those angles are equal to each other.

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therefore, the larger triangle, is similar with smaller-inscribed triangle by AA.

what the dickens does that mean?

\bf \cfrac{large}{small}\qquad \cfrac{4+5}{4}=\cfrac{5+x}{5}\implies \cfrac{9}{4}=\cfrac{5+x}{5}\implies 45=20+4x
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25=4x\implies \cfrac{25}{4}=x\implies 6\frac{1}{4}=x
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The perimeter of a rectangular garage is 28 m it is 5 m wide how long is it
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