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pentagon [3]
2 years ago
5

PLEASE HELP ME!!!

Mathematics
1 answer:
garik1379 [7]2 years ago
5 0

Answer:

The expression is not factorable with rational numbers.

Except if you made a typo in your equation and it's x^2-4x-12

calculation:

-6x2=12

-6+2=-4

Then the answer will be (x+2)(x-6)

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Q3
kkurt [141]

Answer:

Step-by-step explanation:

1000 g × (1 cm³)/(1.6 g) = 1000/1.6 cm³ = 625 cm³

:::::

250 g × (1 cm³)/(2.8 g) = 89.3 cm³

6 0
3 years ago
2X plus Y equals 7 <br> 3X minus 4Y equals five
Dvinal [7]
\left \{ {{2x+y=7\ \ | *4} \atop {3x-4y=5}} \right. \\\\ \left \{ {{8x+4y=28} \atop {3x-4y=5}} \right. \\+----\\Addition\ method\\\\&#10;11x=33\ \ \ | divide\ by\ 11\\&#10;x=3\\\\y=7-2x\\&#10;y=7-2*3=7-6=1\\\\Solution:\\ \left \{ {{y=1} \atop {x=3}} \right.
7 0
3 years ago
A child is crawling at a pace of 176 inches every 3.37 min. Provided that this child is able to maintain this same pace, how man
Mice21 [21]

The child crawled 18 meters in 823 seconds.

Given:

A child is crawling at a pace of 176 inches every 3.37 minutes.

To find:

The distance covered (in meters) by a child in 823 seconds.

Solution:

Distance covered by a child in 3.37 minutes = 176 inches

Distance covered by a child in a 1 minute =   \frac{176 inches}{3.37}

1 minute = 60 seconds

Distance covered by a child in 60 seconds =  \frac{176 inches}{3.37}

Distance covered by a child in a 1 second:

=\frac{176 inches}{3.37}\times \frac{1}{60}

Distance covered by a child in 823 seconds:

=\frac{176 inches}{3.37}\times \frac{1}{60}\times 823=716.36 inches

In 1 meter there are 39.37 inches.

1 meter=39.37 inches\\1 inches=\frac{1}{39.37} meters\\716.36 inches=\frac{716.36 inches}{39.37} m=18.1956 m\approx 18 m

The child crawled 18 meters in 823 seconds.

Learn more about the unitary method here:

brainly.com/question/19359186

brainly.com/question/20065206?referrer=searchResults

6 0
3 years ago
Please just help a girl out please
Gennadij [26K]

Answer:

C

Step-by-step explanation:

5 0
3 years ago
What are the multiples of 2?
charle [14.2K]

Answer:

Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24...

Step-by-step explanation:

Multiple of any number is a number which can be divided exactly by that number. The Multiples of a number are formed by multiplyng it with other numbers like 1,2,3,etc.

6 0
3 years ago
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