WILL GIVE BRAINIEST AND 30 POINTS!!!

Mathematics

2 answers:

Vladimir [108]3 years ago

5 0

45 + 7.80t ≤ 99.60

7.80t ≤ 54.60

t ≤ 7

They can rent a meeting room for no more than 7 hours.

katrin2010 [14]3 years ago

4 0

45 + 7.80t ≤ 99.60

7.80t ≤ 54.60

t ≤ 7

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Solve for x. 2 1/2 x−3/4(2x+5)=3/8

MAXImum [283]

First, convert all of the fractions to decimals:
2.5x - .75 (2x + 5) = .375
Then distribute the parenthesis:
2.5x - 1.5x + 3.75 = .375
Subtract the 1.5x:
1x + 3.75 = .375
Subtract 3.75 from both sides:
1x = -3.375
Convert back to fraction:
1x = -3 375/1000
Simplify:
X = -3 3/8

5 0

4 years ago

Suzy randomly picks marbles form a bag containing 13 identical marbles. how many possible outcomes are there of she selects 10 m

allsm [11]

Answer:

286 possible outcomes.

Step-by-step explanation:

We have been given total 13 identical marbles

We need to select 10 out of 13

We will use combination:

$^nC_r=\frac{n!}{r!(n-r)!}$