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quester [9]
2 years ago
5

A group of 5 friends is out to diner. Each of the friends is going to order the dinner special, and they have a coupon for $10 o

ff the entire bill. Which equation can be used to find the total cost of all the dinners after the coupon is applied?
Choices: 10d-5=c
5d+10=c
10d+5=c
5d-10=c
Mathematics
2 answers:
Andreas93 [3]2 years ago
6 0

Answer:

I believe the last one is correct

~if this is correct, plz mark brainliest thx!~

Step-by-step explanation:

Fantom [35]2 years ago
5 0
10d-5=c
Should be your answer
10d
(D=dollars)
Off the bill which means subtraction
And 5 for the friends then c as your variable
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If DE =11 and CE =27, what is CD?
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Answer:

16

Step-by-step explanation:

Subtract DE from CE and you will get the value of CD

27 - 11 = 16

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3 years ago
Solve this problem. -16r=272
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Answer:

-17

Step-by-step explanation:

-16r=272

16r=-272

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X=6 Z=8 so X:Z =. 6/8 So 2 goes into both 6 and 8 so divide numerator and denominator by 2 which = 3/4
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Find the recursive rule, explicit rule, and f(20)
DiKsa [7]

Answer:

Recursive:

f(1)=35, f(n)=f(n-1)+10

Explicit:

f(n)=35+10(n-1)

And the 20th term is 225.

Step-by-step explanation:

We have the sequence:

35, 45, 55, 65.

Notice that each subsequent term is 10 more than the previous term.

Therefore, our common difference is (+)10.

Recursive Rule:

The standard format for the recursive rule is:

f(n)=a, f(n)=f(n-1)+d

Where a is the initial term and d is the common difference.

From our sequence, we know that a the initial term is 35.

And as determined, our common difference d is 10.

Substitute. Hence, our recursive rule is:

f(1)=35, f(n)=f(n-1)+10

Explicit Rule:

The standard format for the explicit rule is:

f(n)=a+d(n-1)

Where a is the initial term and d is the common difference. So, let’s substitute 35 for a and 10 for d. Hence, our explicit formula is:

f(n)=35+10(n-1)

Now, let’s find the 20th term. We will utilize the explicit rule since the recursive rule can get tedious. Substitute 20 for n because we would like to 20th term. Thus:

f(20)=35+10(20-1)

Evaluate:

\begin{aligned} f(20)&=35+10(19) \\ f(20)&=35+190 \\ f(20)&=225 \end{aligned}

Hence, the 20th term is 225.

5 0
2 years ago
The volume of a cube is 27 cubic yards. Find the side length.
IceJOKER [234]

Since all sides of a cube are equal...,

Let one side length of a cube be (z)

;Volume = z × z × z

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; 27 = z^3....where we then say that..,

; z(side length) = cube root of (27)

; Hence..., Side Length = 3 yards

4 0
2 years ago
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