3 years ago

I am in middle school

Mathematics

1 answer:

Mnenie [13.5K]3 years ago

7 0

Answer:

1. The 12 pack

2. Sargento cheese slices

Step-by-step explanation:

1.80×2=3.60

2.48/10 = .248 → .25

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The leg of an isosceles triangle has a length 2x+4 and the base has length 3x. The

ikadub [295]

Answer:

$Base = 57$

Step-by-step explanation:

Given

$Length = 2x + 4$

$Base = 3x$

$Perimeter = 141$

Required

Determine the length of the base

The perimeter of an isosceles triangle is:

$Perimeter = 2*Length + Base$

$141 = 2 (2x + 4) + 3x$

$141 = 4x + 8 + 3x$

Collect Like Terms

$4x + 3x = 141 - 8$

$7x = 133$

Divide both sides by 7

$x = 19$

To get the base, we substitute 19 for x in $Base = 3x$

$Base = 3 * 19$

$Base = 57$

4 0

3 years ago

A light plane flew from its home base to an airport 255 miles away. With a head wind, the trip took 1.7 hours. The return

ryzh [129]

The speed from home base to airport was:
$v=255miles/1.7h\ /:1.7\\v=150mph$
The speed from airport to home base was:
$v=255miles/1.5h\ /:1.5\\v=170mph$
Average speed of plane was:
$\frac{170mph+150mph}{2}=160mph$
Average speed of wind was:
$x\ -\ wind\ speed\ (mph)\\150+x=170-x\ /+x\\150+2x=170\ /-150\\2x=20\ /:2\\x=10$
Answer: Average speed of plane was 160mph and average speed of wind was 10mph.

I hope I helped :D

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4 years ago

Read 2 more answers

Hola me pueden ayudar con una ecuacion que no sea infinita para geogebra

Lunna [17]

<span>ena ecuacion es [x^2 = 4x]</span>

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3 years ago

The temperature on Monday in Alaska is -24?F. On Tuesday, the temperature rises 24?. What is the temperature on Tuesday, in degr

Phantasy [73]

0 degrees Fahrenheit

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