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Sonbull [250]
3 years ago
9

Thanks for not helping me...

Mathematics
1 answer:
kogti [31]3 years ago
6 0

Answer:

Whats up

Step-by-step explanation:

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Last Tuesday was silly hat day at Molly's school. 90 students wore a silly hat and 810
Elan Coil [88]
There are a total of 900 students at Molly’s school. 810 is 90% of 900. 90% of students did not wear a silly hat.
5 0
2 years ago
A function is shown.<br><br> f(x)=−3⋅4x<br> What is the value of x when f(x) = −48?
galben [10]

Answer:

576

Step-by-step explanation:

Whenever you are solving these types of problems, you just put the value given in place of x. For this equation you would have done f(48)=-3·4(48)

6 0
3 years ago
A grocery store sells a bag of 4 oranges for $2.84. If arianna spent &amp;3.55 on oranges, how many did she buy?
iogann1982 [59]

Answer:

5 dollors i just tookthe test 4

Step-by-step explanation:

5 0
3 years ago
The height of Tower A is 720 feet more than Tower B. The two towers have a combined height of 1,982 feet. What are the heights o
Kobotan [32]
Okay so. 

We have two basic equations 

Tower A+ B+720    A is 720ft taller than B. 
Tower A+B= 1982     Combined height is 1982ft

Replace A with B+720 in 2nd equation and solve for B 

B+720+B=1982   Combine like terms 
2B+720=1982     Subtract 720 from both sides
2B=1262              Divide both sides by 2
B=1262/2 
B= 631ft 

We know that A=B+720 so you simply need to do that addition to have the height of both towers. 



4 0
3 years ago
The Richter scale is used for measuring the magnitude of an earthquake. The Richter magnitude is given R = 0.67log(0.37E) + 1.46
natka813 [3]

Answer:

7.9982

Step-by-step explanation:

-The function for an earthquake's magnitude is given by  R = 0.67log(0.37E) + 1.46

-E is energy in kwh.

#For 15,500,000,000 kilowatt hours the magnitude would be:

R = 0.67\ log(0.37E) + 1.46,\ \  E=15,500,000,000  \ kwh\\\\\therefore R=0.67 \ log(0.37\times 15,500,000,000)+1.46\\\\\\=7.9982

Hence, the earthquakes magnitude is 7.9982

7 0
3 years ago
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