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faust18 [17]
3 years ago
7

Simplify 8.9 – 1.4x + (–6.5x) + 3.4

Mathematics
1 answer:
Aleks [24]3 years ago
8 0

Answer:

-7.9x+12.3

Step-by-step explanation:

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A culture of bacteria has an initial population of 41000 bacteria and doubles every 5 hours. Using the formula P t = P 0 ⋅ 2 t d
Crazy boy [7]

Answer:

Population of bacteria in culture after 14 hours is 285541.

Step-by-step explanation:

We are given with P_{t} =P_{0}(2)^{\frac{d}{t}}

Here initial population is 41000 , t=5 and d=14

Plug in these values into the formula

P_{14} =41000(2)^{\frac{14}{5} }

Simplify

P_{14}= 41000(2)^{2.8}

     =41000(6.9644)

     =285540.5847...

To the nearest whole number is 285541.

3 0
3 years ago
∠C and ​ ∠D ​ are vertical angles with m∠C=−x+26 and m∠D=2x−10 . What is m∠D ? Enter your answer in the box.
Musya8 [376]
-x+26=2x-10
+x +10  +x +10
36+3x
divde by 3
12=x

m∠D=2(12)-10
        =24-10
        =14
8 0
3 years ago
Read 2 more answers
Please help me answer it
Neko [114]
So for number 3, so for every 15 he earns, he saves 6 so
15:6=5:2

then he earns 75 and saves x
5 times what=75
5 times 15=75

2 times 15=30
so the ration is 75:30
he saved $30


then

write a real life proportion
so rob has a pattern to make,
for every 5 blue tiles, he puts down, he must put down 7 green tiles,
he needs to fill a sqare area that is 12 feet in legnth and width
each tile is 1 foot
how many blue tiles will he need
so 5+7=12
area=12 times 12
area=144
so the number of tiles is 144
so blue=5/12
so 144 times 5/12=60 blue tiles
3 0
3 years ago
Translate the phrase into a numerical expression. One hundred devided by the quantity three times five
tester [92]

Answer:

\dfrac{100}{3 \times 5}

Step-by-step explanation:

\dfrac{100}{3 \times 5}

6 0
2 years ago
Solve the given number problem.
Evgesh-ka [11]
I would say -26 because -22, -24, -26=-72
6 0
3 years ago
Read 2 more answers
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