3 years ago

How do I use this help

Mathematics

2 answers:

Umnica [9.8K]3 years ago

8 0

Answer:

what

Step-by-step explanation:

is that you want to use

Free_Kalibri [48]3 years ago

6 0

Answer:

just ask any question!!!!!!!!!!!!

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Hi plz help, if you can ill mark you 5 starz! :)

Stella [2.4K]

Answer:

79 hours

Step-by-step explanation:

(5×1 )(5 1/2 ×3 )(6×4 )(6 1/2 × 3)( 7×2)= 79 hours

5 0

3 years ago

The ratio of two numbers is 2:3 and the sum of their cubes is 945,what are the two numbers. let the 1st no be=2x and 2nd=3x (2x)

MatroZZZ [7]

Answer:

<h3> The first number is <u>6</u>, the second number is <u>9</u></h3>

Step-by-step explanation:

a:b = 2:3

a = 2x - first number

b = 3x - second number

a³ + b³ = 945

$(2x)^3 + (3x)^3=945\\\\8x^3 +27x^3=945\\\\35x^3 = 945\\\\x^3=945:35\\\\x^3=27\\\\ x^3=3^3\\\\x=3\\\\\\a=2\cdot3 = 6\\\\b=3\cdot3=9$

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3 years ago

Annie earns $7.50 per hour working after school. She needs at least $185 for a stereo system. Write an inequality that describes

Lyrx [107]

Answer:

7.50x=185

Step-by-step explanation:

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3 years ago

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The temperature increased 12°F between 9 AM and noon. It decreased 9°F ° between noon and 6 PM.

bixtya [17]

Answer:

Step-by-step explanation:

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3 years ago

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Find the value of each variable.<br> y =<br> z =

Alik [6]

Answer:

z=70 degrees y=117 degrees

Step-by-step explanation:

To find angle z, you have to know that when two sides are against each other, they have to equal 180 degrees so 180-110 is equal to 70. Therefore z is equal to 70 degrees. To find y, you have to know that a quadrilateral's total degrees is equal to 360 degrees. Therefore, you have to do 360-93-80-70 which is equal to 117 degrees. Therefore y is equal to 117 degrees.

If this answer has helped you, please mark it as brainliest

4 0

3 years ago