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3 years ago

PLZ HURRY

2 answers:

8 0

It would be 600 miles in 24 hours if it continues to fly at the same speed cause every 2 hours the distance goes up by 50.

Alchen [17]3 years ago

7 0

Answer:

In short the answer is B

Step-by-step explanation:

just took the actual test and i got it right:)

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4) FRIDAY: An unknown quantity which is represented by a letter or a symbol is called _____

lukranit [14]

Answer:

A Variable

Step-by-step explanation:

Variables are used to mark an unknown value. Common math problems ask you to solve for it.

For example in 5x+23=45, 'x' is the variable.

A constant is a number without a variable.

Brainilest Appreciated.

8 0

3 years ago

Use the function below to find f(4). F(x) = 3x

Sonja [21]

Since F(X) = 3^X,

F(4) = 3^4 = 81

5 0

3 years ago

Read 2 more answers

)) A group of cyclists went bike riding during a 7-day vacation. They biked 129 miles in the

shtirl [24]

Answer:

41 miles a day

Step-by-step explanation:

293 - 129 = 164

164 / 4 = 41

5 0

2 years ago

Read 2 more answers

Help me out really quick is 18/28 passing? thx again

ioda

Answer: If you got 18 points out of 28 that would be like a 64 (D)

Step-by-step explanation:

8 0

3 years ago

A total of 1 232 students have taken a course in Spanish, 879 have taken a course in French, and 114 have taken a course in Russ

ElenaW [278]

Answer:

$n(S\cap F \cap R)=7$

Step-by-step explanation:

The Universal Set, n(U)=2092

$n(S)=1232\\n(F)=879\\n(R)=114$

$n(S\cap R)=23\\n(S\cap F)=103\\n(F\cap R)=14$

Let the number who take all three subjects, $n(S\cap F \cap R)=x$

Note that in the Venn Diagram, we have subtracted $n(S\cap F \cap R)=x$ from each of the intersection of two sets.

The next step is to determine the number of students who study only each of the courses.

$n(S\:only)=1232-[103-x+x+23-x]=1106+x\\n(F\: only)=879-[103-x+x+14-x]=762+x\\n(R\:only)=114-[23-x+x+14-x]=77+x$

These values are substituted in the second Venn diagram

Adding up all the values

2092=[1106+x]+[103-x]+x+[23-x]+[762+x]+[14-x]+[77+x]

2092=2085+x

x=2092-2085

x=7

The number of students who have taken courses in all three subjects, $n(S\cap F \cap R)=7$

3 0

3 years ago