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inn [45]
3 years ago
9

Please explain these and answer correctly for brainly

Mathematics
2 answers:
Elena L [17]3 years ago
7 0
Here ya go. Best of luck!

Dominik [7]3 years ago
3 0

#3  3.4w-0.4w+4.6w+5=-7.6 8.2w+5=-7.6 8.2w=-7.6-5 8.2w=-12.6 W=-12.6÷8.2 W=-1.53658  I'm working on otherc2

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Solve 15 ≥ -3x or 2/5x ≥ -2. <br><br> A.) {x | x ≤ -5}<br> B.) {x | x ≥ -5}<br> C.) {all reals}
Lapatulllka [165]
15 \geq -3x\quad|:(-3)\qquad\vee\qquad  \dfrac{2}{5}x \geq -2\quad|\cdot5\\\\\\&#10;-5 \leq x\qquad\vee\qquad  2x \geq -10\quad|:2\\\\\\&#10;-5 \leq x\qquad\vee\qquad  x \geq -5\\\\\\x\geq -5\qquad\implies\qquad\boxed{\{x | x \geq -5\}}

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6 0
3 years ago
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Forty tickets are sold for a raffle with two prizes. You buy two tickets. What is the probability that you will win both prizes
tekilochka [14]
When you first pick a ticket, there are 2 winning tickets and 40 total tickets.  This means that there is a 2/40 chance of your ticket being a winning one.  This fraction can be reduced to 1/20.

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3 years ago
Sean bought a box of graham crackers for $3.99. He also bought 3 bags
leonid [27]
Answer:

$3.08

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You subtract 3.99 from 13.23 which equals 9.24. Because there are three bags of marshmallows, divide 9.24 by 3, which equals $3.08.
4 0
3 years ago
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Please Help! Brainliest answer! Thank you
alexandr1967 [171]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
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HURRY FIRST GETS BRAINLLEST The diagram below shows a circular pizza with a diameter of 14 inches. The pizza is in a square box
boyakko [2]

Answer:

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Step-by-step explanation

portion of square empty =  256 - 153.86 = 102.14cm^2

8 0
3 years ago
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