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inysia [295]
3 years ago
15

8. Jocelyn paid to enter the amusement park and lost her receipt! She knows that one ride would

Mathematics
1 answer:
zzz [600]3 years ago
5 0

Answer:

a) $19.5

b) Next = Now + 19.5

c) y = 19.5x+24.5

Step-by-step explanation:

m=y2-y1/x2-x1

m=83-24.5/4-1

m=58.5/3

m=19.5

b) Next = Now + 19.5

c) y = 19.5x+24.5

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We have 50 video gamers who share information about their favorite games. 20 people say that Borderlands II is their favorite ga
stealth61 [152]

Answer:

2 people

Step-by-step explanation:

Total number of people (n) = 50

Borderlands II (B) = 20

Fortnite (F) = 33

Minecraft (M) = 19

Borderlands and Fortnite (B&F) = 15

Borderlands and Minecraft (B&M)= 10

All games (B&M&F) = 5

The number of people that claimed more than one game as their favorite (X) is given by:

X=M+B+F-n\\X=19+20+33-50\\X=22\ people

Those people can be divided in B&F only, B&M only, M&F only and B&M&F:

X=(B\&M-B\&M\&F)+(B\&F-B\&M\&F)+(M\&F-B\&M\&F)+B\&M\&F\\X=B\&M+B\&F+M\&F-2*B\&M\&F\\22=10+15+M\&F-2*5\\M\&F=7\ people

7 people claimed that Minecraft and Fortnite were their favorites however, 5 of those people claimed all of the games as their favorite. Therefore, only 2 people declared Minecraft and Fortnite (exclusively) as their favorites.

7 0
3 years ago
Read 2 more answers
Please help me with this math problem!
Mice21 [21]
W=x
L=2x+17

Double everything since we need to lengths and two widths to find the perimeter

2x+17+2x+17+x+x = 76
Combine like terms

6x+34=76
Solve for x
First step is subtract 34 from both sides

6x=42
Next you divide both sides by 6 in order to get x by itself

X=7

Now you plug in 7 into the x’s in length and width

W=7 cm
L=31 cm

THE WIDTH IS 31 CM

Check:

7+7+31+31 = 76 cm
It equals 76 cm just like the problem said so therefore it is right.

7 0
3 years ago
PLZZZ help with this its pretty simple!
AURORKA [14]

Answer:

Three terms, which makes this expression a trinomial.

5x²-4x -12

Step-by-step explanation:

(5x + 6)(x-2)

5x² -10x + 6x -12

5x²-4x -12

4 0
2 years ago
Read 2 more answers
Let f(x)=10x-10 find the value of (f o f ^-1)(-10)
polet [3.4K]

Answer:

Step-by-step explanation:

let y=f(x)

y=10x-10

flip x and y

x=10y-10

10 y=x+10

y=\frac{1}{10}x+1\\f^{-1}(x)=\frac{1}{10}x+1\\(fof^{-1}{x})=f(f^{-1}(x))=f(\frac{1}{10} x+1)=10(\frac{1}{10} x+1)-10=x+10-10=x\\(fof^{-1})(-10)=-10

6 0
3 years ago
How would you prove this using a flow chart?
Genrish500 [490]

\triangle BCA\sim\triangle DEA\ (AA)\\\text{therefore the ratios of the lengths of their corresponding sides are equal}\\\\\dfrac{BC}{AC}=\dfrac{DE}{AE}\ \ \ |\text{cross multiply}\\\\BC\cdot AE=AC\cdot DE\ \ \ \ |:BC\\\\AE=\dfrac{AC\cdot DE}{BC}\ \ \ \ |:AC\\\\\dfrac{AE}{AC}=\dfrac{DE}{BC}\to\dfrac{DE}{BC}=\dfrac{AE}{AC}

6 0
3 years ago
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