Rachel's cell phone company charges $0.10 per minute . She used 350 minutes last month and paid $84. Write and solve a linear equation to fins what her bill will be if she uses 300 minutes next month .

Answers

Answer 1

Answer: 300 min = $X
350 min = $84
now cross multiply
350 * x = 300*84
x = 25200/350
x = $72 Answer

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(2×² -×³-18×²-7÷(×+2)
i need solution and explanation

Answers

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

The quotient is equal to :

$- {x}^(2) - 14x + 28$

remainder :

$- 63$

Solution is in attachment ~

Answer:

${ \rm{( {2x}^(2) - {x}^(3) - 18 {x}^(2) - 7) / (x + 2) }}$

• now, (x + 2) is the factor.

• let's find the value of xfrom the factor:

${ \rm{x + 2 = 0}} \n { \underline{ \rm{ \: \: x = - 2 \: \: }}}$

• let's substitute for xinto the quotient:

${ \rm{f(x) = {2x}^(2) - {x}^(3) - {18x}^(2) - 7 }} \n \n { \rm{f( - 2) = 2 {( - 2)}^(2) - {( - 2)}^(3) - 18 {( - 2)}^(2) - 7 }} \n \n { \rm{f( - 2) = 8 +8 - 72 - 7}} \n \n { \boxed{ \boxed{ \pmb{answer \: \dashrightarrow \: \: {}^( - ) 63 \: \: }}}}$

Leann makes an average of 36 cookies per week. About how many cookies will she make in a year

Answers

Answer:

The answer is 1872 cookies.

Step-by-step explanation:

First we know that in one year there are 52.18 weeks or 52 weeks. You take that number of weeks and multiply it by 36.

If you multiply 36 by 52 you get 1872 cookies.

Or, if you multiply 52.18 by 36 you get 1878.48

Find the circumference and area of a circle with a diameter of 22 inches. Leave your answers in terms of pi. a. C = 11π; A = 44π
b. C = 22π; A = 44π
c. C = 11π; A = 121π
d. C = 22π; A = 121π

Answers

The answer for this will be letter d. C = 22π and A = 121π. This is computed using the formula of C= Dπ which is C = (22)π. On the other hand, the area of this circle is computed by using the formula A = πr^2. This is computed as follows:
A = πr^2
A = π (22/2)^2
A = π (11)^2
A = 121π

only chocolate and vanilla ice cream cones are sold at an ice cream store. In one day, the number of chocolate cones sold was 1 more than 4 times the number of vanilla cones sold. A total of 121 cones sold that day

Answers

I just had this question for homework too!

c = 4v + 1
v + c = 121

Now use substitution.

v + 4v + 1 = 121
5v + 1 = 121
5v = 120
v = 24

The answer is 24.

Here's the equation:
4x+1+x = 121. Where x is equal to the amount of vanilla cones.
5x + 1 = 121
5x = 120
x = 24
There were 24 vanilla and 97 chocolate.

Jayden gets a piece of candy for every 15 minutes he spends reading each day. The number of pieces of candy he receives each day is shown in the chart Monday = * * * Tuesday = * * Wednesday = * * * * * Thursday = Friday = * * * * If he spends 300 minutes reading during the week, how many pieces of candy did Jayden get on Thursday?

Answers

Answer:

20 peices

Step-by-step explanation:

A certain alloy contains 14.25% nickel. how much nickel is there in a piece weighing 375 pounds? round to the nearest hundredth.A.112.49
B.78.92
C.12.24
D.5344

Answers

A certain alloy contains 14.25% nickel, 0.533 nickel is there in a piece weighing 375 pounds. So the correct answer is D.

A certain alloy contains 14.25% nickel.

A piece weighing 375 pounds.

A percent is of 100: 14.25% = 0.1425

0.1425 x 375 = 0.534375

Therefore, 0.534375 nickel is there in a piece weighing 375 pounds.

Learn more about pounds here:

brainly.com/question/29108603

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A percent is of 100: 14.25% = .1425
.1425x375=
53.4375
Second place to the right of the decimal is the hundredths so: 53.44lb

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