2 years ago

Select the scenario that best matches the equation below: 2x + 5 = 25

1 answer:

7 0

Answer:

Jamie has 5 cards. his friend Bill gives him twice the number of cards he has. After this Jamie has 25 card total. I hope that this helps!!

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1. Renting a bicycle at a local Bike shop costs $30 for the first day and $10 for each additional day.

Elza [17]

(a) Create a chart of values and write an equation to find the total cost, C in terms of the number of days d.

C = 10d + 20

(b) Use the equation you created in Part (a) to find the cost of renting a bike for 5 days.

C = 10d + 20
C = 10(5) + 20= 50 + 20 = 70

$70 for 5 days

7 0

3 years ago

If (-3)^-5 =1/x, what is the value of x?

iragen [17]

$\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad 
a^{{{ n}}}\implies \cfrac{1}{a^{-{{ n}}}}\\\\
-------------------------------\\\\
%(-3)^-5 =1/x,
(-3)^{-5}=\cfrac{1}{x}\implies \cfrac{1}{(-3)^5}=\cfrac{1}{x}\implies 1\cdot x=(-3)^5\cdot 1\implies x=(-3)^5
\\\\\\
x=(-3)(-3)(-3)(-3)(-3)\implies x=-243$

7 0

2 years ago

Blediana read a total of 10 Harry Potter books over 5 months. After belonging to the book club for 6 months, how many books will

attashe74 [19]

Blediana would have read a total of 12 Harry Potter books in 6 months.
If she read 10 books in 5 months, that would be 2 books per month. 6 months would allow her to lead a total of 12 books.

4 0

3 years ago

Whats is the anwser to 469 plus 8346

NeX [460]

469 + 8346 = 8,815...is that what you needed to know?

3 0

3 years ago

Can someone please help me

arlik [135]

Answer:

It might be 2/3

Step-by-step explanation: