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vovikov84 [41]
3 years ago
14

Please help !!! Don’t understand this math problem

Mathematics
1 answer:
Scrat [10]3 years ago
8 0

Answer:

31.4

Step-by-step explanation:

10 x 3.14 ( pi) =31.4in2

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49 POINTS!!!!!!!!
belka [17]
The answer is II and III, which is the last choice from above.  This is because the symbol "less than (or equal to)" indicated a conjunction, which means we have to take into account that the absolute value can be less than or equal to 15, and greater than or equal to -15.  This solution set falls in between the two values, hence, the conjunction.
3 0
3 years ago
Which of these is a true statement
KengaRu [80]
The true statement is d, d may cause f.

Explanation:
Strong correlation doesn't always mean causation. For example, there is correlation between time and distance. Time doesn't cause the distance. If time added, the distance is much longer. From the example above, correlation doesn't always mean causation. But for any other example, like, heat has strong correlation with ice melts. The heat is the cause for ice to melt, This correlation might be causation. 
5 0
3 years ago
Read 2 more answers
Some people advise that in very cold​ weather, you should keep the gas tank in your car more than half full. Lou​'s car had 6.2
zlopas [31]

Answer:

It will cost Lou $28.86 to fill the tank

Step-by-step explanation:

Lou's tank holds 14 gallons.  It has 6.2 gallons in it.  

14- 6.2  = 7.8

Lou can put in 7.8 gallons to fill it.

7.8 gallons and $3.70

7.8 * 3.7 = $28.86

It will cost Lou $28.86 to fill the tank

4 0
3 years ago
The sales tax for an item was $23.40 and it cost $390 before tax.<br> Find the sales tax rate.
tatyana61 [14]

\huge \bf༆ Answer ༄

Sales tax on the item is ~

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \$23.40

Cost of the item is ~

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \$390

sale tax rate is ~

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: \dfrac{ \$23.40}{ \$390}  \times 100

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: 0.06 \times 100

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: 6  \%

Therefore, the sales tax rate is 6 %

7 0
3 years ago
Andy's Rental Car charges an initial fee of $20 plus an additional $30 per day to rent a car. Buddy's Rental Car charges an init
dybincka [34]
First, Make 2 equations to show each company in which "x" equals the number of days:

Andy's Rental Car = 20 + (30x)
Buddy's Rental Car = 36 + (28x)

Set it up like this:

20 + (30x) = 36 + (28x)

Now, solve for x by simplifying both sides of the equation and then isolating the variable.

x = 8

8 Days



7 0
3 years ago
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