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Makovka662 [10]
3 years ago
13

Pls help thanks i need this ty ty

Mathematics
1 answer:
Maurinko [17]3 years ago
4 0

Answer:

31

Step-by-step explanation:

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HELP ME!!!! giving 40 points and brainliest!!!!
kykrilka [37]

Answer:

Step-by-step explanation:

17.7+8.3+13.0+2090=24.805g

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2 years ago
Evaluate the expression.<br><br> (1.5)2(1.5)<br> −2⋅(1.5)4
aleksklad [387]
Is this (1.5)2(1.5) / -2(1.5)4?  or is it (1.5)2(1.5) - 2(1.5)4?

First option:
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Second option
4.5-12 = -7.5
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3 years ago
Write algebraically:seven times the sum of a number and three is at most 23??<br>​
Lena [83]

Answer:

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Step-by-step explanation:

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2 years ago
Rewrite 2/5 + 5/12 with a common denominator.
RoseWind [281]

Answer:60 is the common denominator

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4 0
3 years ago
Read 2 more answers
The temperature has been going down at a constant rate.In 4 hours it went down 12 degrees.Which expression best shows the temper
fomenos

Answer:

<u>t = t₀ - 3n</u>

Step-by-step explanation:

Let t be the temperature and t₀ be the initial temperature of the day

Let n be the number of hours after the initial temperature ( t₀) was registered

Let -3 be the constant of change of temperature ( In 4 hours it went down 12 degrees)

Now, let's write down the expression that shows the temperature change each hour, this way:

t = t₀ - 3n

After 2 hours

t = t₀ - 3 * 2 = t₀ - 6

After 5 hours

t = t₀ - 3 * 5 = t₀ - 15

After 3 hours and 30 minutes

t = t₀ - 3 * 3.5 = t₀ - 10.5

5 0
3 years ago
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