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AveGali [126]
2 years ago
10

For BOYS only, 12*12+13+78-90+56

Mathematics
2 answers:
Westkost [7]2 years ago
5 0

Answer:

201

Step-by-step explanation:

Agata [3.3K]2 years ago
3 0

Answer:

201

Step-by-step explanation:

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A firecracker shoots up from a hill 140 feet high, with an initial speed of 100 feet per second. Using the formula H(t) = −16t2
V125BC [204]
<span>H(t) = −16t^2 + vt + s

</span>
<span>H(t) = −16t^2 + 100t + 140

H(t) = 0 = </span><span>−16t^2 + 100t + 140

16t^2 - 100t -140 = 0

t = [100 +/- √ (100^2 -4(16)(-140) ) ] /(2(16))

t = 7.43 and t = - 1.18.

El que tiene sentido para la pregunta es t = 7.43 s.

Option B) 7 s (approximately)


</span>
6 0
3 years ago
Read 2 more answers
Reggie read a 400 page book. In 5 days .On the first day , he read 120 pages . each day after that , he read the same number. Of
forsale [732]
400x5 divided by 120
4 0
3 years ago
What is the value of x in the equation below?
sveta [45]

Answer: C

Step-by-step explanation:

1+2e^x+1=9

2e^x+1=9-1

e^x+1= 8/2

e^x+1 = 4

Here we can applicate the Ln:

ln e^x+1 = ln 4

Applicating the log property for exponent:

(x+1).ln e = ln 4

Ln e = 1, so:

x+1 = ln 4

x = ln 4-1

7 0
3 years ago
True or false: if a &gt; b then ac &gt; bc
Ket [755]

Answer: true

Step-by-step explanation:

6 0
2 years ago
Rolls are being prepared to go to grocery stores. Divide 72 rolls into 2 groups so the ratio is 3 to 5.
tekilochka [14]
To do this, nice it to add 3 and 5, then divide 72 by the result of sum 3 and 5. Finally multiply it by 3 and by 5 to get the result.
Lets do this
3+5=8
72:8=9 - number of rolls in 1 "unit" 
9*3=27  - first group
9*5=45  - second group
8 0
3 years ago
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