the telephone company purchased 95 yards of wire for $1235 in september. they plan on making a purchase of 285 yards in October. how much will the same wire cost then

Answers

Answer 1

Answer: ratio and propoertion

cost/amount is constant
1235/95=x/285
cross multiply or time both sides by (95 times 283)
351975=95x
divide oth sies by 95
3705=x

the cost is $3705

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Find last year's salary if, after a 5% pay raise, this year's salary is $38,325?

A=2x+6xz solve for x

Answers

x=a6z+2 !!!!!!!!!!!!

Is 7x+y+3=y a linear equation

Answers

Yes . I suggest Mathway for math questions :)

If Jennifer made a fruit juice using red and green grapes. Thirty percent of the grapes are green.If she used a total of 60 grapes , how many red grapes should she use?

Answers

$p\%=(p)/(100)\n\n30\%=(30)/(100)=0.30=0.3\n\n30\%\ of\ 60=0.3\cdot60=18\leftarrow\ number\ of\ green\ grapes\n\n60-18=\boxed{42}\leftarrow ANSWER$

Which of these is an example of a literal equation?A.3x – 4y
B.12 = 9 + 3x
C.6 + 30 = 62
D.ax – by = k

Answers

ANSWER

$ax-by=k$ is an example of literal equation.

EXPLANATION

A literal equation is an equation in which letters or variables are used to represent real values.

A literal equation consists of at least two letters or variables.

The first option consists of two variables but it is not an equation. It is just an expression.

The second option is not a literal equation because it consists of only one variable. This is just a linear equation in one variable. But a literal equation should have at least two variables or letters.

As for the third option, it does not even contain a variable or letter.

Choice D. represents a literal equation

What is equivalent to 49^3/4?

Answers

Simple...

this can't be simplified any further...thus..49 $(3)/(4)$ is your answer...

but ...

it can be converted into a decimal...

18.52 (rounded)

Thus, your answer.

Seven integers, x1, x2, x3, x4, x5, x6, and x7, are picked at random from the set of all integers between 10 and 110, inclusive. If each of these integers is divided by 7 and the 7 remainders are all added together, what would be the sum of the 7 remainders?

Answers

Answer:

0+1+2+3+4+5+6=21

Step-by-step explanation:

Since integers are given as x1, x2, x3, x4, x5, x6, and x7. This means they are consecutive integers divisible by 7.

Thus no matter which 7 consecutive integers are these, their reminders will always be in the order of 0,1,2,3,4,5 & 6.

So their sum will be 0+1+2+3+4+5+6=21.

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