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vazorg [7]
3 years ago
9

Not sure how to do #20

Mathematics
1 answer:
Kipish [7]3 years ago
3 0
0.00125 is your answer person
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Brennan ate 2 1/4 apples.Then he ate another 1 2/4 apples the next day.How many apples did Brennan eat altogether?Write in simpl
juin [17]

Answer:

UwU your welcome!

Step-by-step explanation:

Convert the mixed fractions to a decimal. 2 1/4 is 2.25 1 2/4 is 1.5 2. Add them up. 3. 3.75 as a decimal or 3 3/4 as a mixed fraction or 15/4 as a improper fraction.

5 0
3 years ago
Determine The number of solutions 3(x-4)=2x+6
Trava [24]

Answer:

The answer will be listed below.

Step-by-step explanation:

First of all, you want x to by itself, so distribute the three to both x and negative 4 so you'll get 3x-12=2x+6.

Now, subtract 2x from both sides and add 12 to both sides and you'll get an answer of x=19. From that, you are able conclude that this equation has one solution.

3 0
3 years ago
Find the time required for an object to cool from 280°F to 220°F by evaluating the following where t is time in minutes. (Round
blsea [12.9K]

9514 1404 393

Answer:

  5.8496 min

Step-by-step explanation:

  \displaystyle t=\frac{10}{\ln{2}}\int_{220}^{280}{\frac{1}{T-100}}\,dT=\frac{10(\ln{(280-100)}-\ln{(220-100)})}{\ln{2}}=\frac{10\ln{(3/2)}}{\ln{2}}\\\\\boxed{t\approx5.8496\quad\text{min}}

__

Modern calculators can perform integration with high accuracy. This one gives the same result.

4 0
3 years ago
a 40-foot ladder leans outside against a the cafeteria. The ladder’s base is 20 feet from the cafeteria. To the nearest degree,
eimsori [14]

Answer:

60 degrees.

Step-by-step explanation:

We use trigonometry of a right angled triangle:

Adjacent side = 20 ft, Hypotenuse = 40 ft.

cos x = adjacent / hypotenuse = 20/40 = 1/2

x = 60 degrees.

4 0
3 years ago
X=2y+1 solve for y<br><br> Can someone solve this for me. I’m lowkey slow
saveliy_v [14]
X=2y+1
x-1=2y
y=x/2-1/2
7 0
3 years ago
Read 2 more answers
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