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matrenka [14]
4 years ago
9

Isabel spent 3/12 of each year on summer break from school. What is the total amount of time in 5 years.

Mathematics
2 answers:
Nookie1986 [14]4 years ago
8 0
11/4years outta school
mezya [45]4 years ago
4 0
1 1/4 years out of school
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The ratio of a map is 1:100
scoundrel [369]

the Answer might be ................800cm

5 0
3 years ago
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consider the linear function f(x) = 2x-4.if the line was translated 3 units up,what would the new equation be?
dexar [7]

Answer:

f(x)=2x-1

Step-by-step explanation:

If we have a linear function of the form  f(x)=ax-b,

  • Vertical translation of c units up means:

f(x) = ax - b + c

  • Vertical translation of d units down means:

f(x) = ax - b - d

  • Horizontal translation of c units right means:

f(x) = a(x-c) - b

  • Horizontal translation of d units left means:

f(x) = a(x+d) - b

These are the horizontal/vertical translation rules. For the function shown, we apply the first rule and it becomes:

f(x)=2x-4\\f(x)=2x-4+3\\f(x)=2x-1

This would be the new equation of the translated function.

5 0
4 years ago
Tyrod needs at least $820 to buy the computer he wants. He has already saved $330. He earns $50 per lawn that he cuts. What is t
Ksju [112]

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

The equation representing the given statement is ~

  • 50x + 330 \geqslant 820

The least number of lawns that he can cut and buy the computer is 10 lawns ~

\large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}

Total savings should be greater or equal to $ 820 in order to buy the computer,

And his total savinga is equal to ~

Money he saved + money got from cutting lawns.

let's assume the lawns cut by Tyrod be x,

Money earned by cutting lawns is equal to

  • total number of lawns cut × $50

  • 50x

total savings is equal to ~

  • 330 + 50x

hence,

  • 50x + 330 \geqslant 820

by solving for " x (number of lawns cut) " we get ~

  • 50x  \geqslant 820 - 330

  • 50x \geqslant 490

  • x  \geqslant 490 \div 50

  • x \geqslant 9.8

Hence, the least number of lawns he has to cut is the number that is greater than 9.8, which is

  • 10

6 0
2 years ago
A photo lab usually charges 1.45 per print to make a color print from a color transparency. During a special promotion, the char
Fiesta28 [93]

Answer:

\large \boxed{\math{\$24.05; < 9}}

Step-by-step explanation:

Let n = the number of prints

and C = the total cost.

At the regular price, the formula is

C = 1.45n

During the promotion, you must pay for the first nine prints: 9 × 1.45 = 13.05.

For anything over nine prints (n - 9), you must pay $13.05 plus the promotional cost of $1.10 for each print. The promotional formula is

C = 13.05 + 1.10(n - 9)  {n > 9}

1. Calculate the cost of 19 prints

\begin{array}{rcl}C & = & 13.05 + 1.10(19 - 9)\\ & = & 13.05 + 1.10 \times 10\\ & = & 13.05 + 11.00\\ & = &24.05\\\end{array}\\\text{The cost of 19 prints is $\large \boxed{\mathbf{\$24.05}}$}

2. What number of the prints is a waste of money?

During the promotion, buying fewer than nine prints would be a waste of money, because you would not be taking advantage of the promotional savings.

7 0
3 years ago
Write the equation of the line parallel to 3x-y=7 that passes through point (-5, -3)
IceJOKER [234]
<h2>Answer:</h2>

\boxed{y=3x+12}

<h2>Step-by-step explanation:</h2>

In this problem we know the equation of a line, which is:

3x-y=7

We also can write this equation as:

y=3x-7

This line has a slope m=3 which is also the slope of the line we are looking for because they're parallel. We also have a point (-5,-3). Therefore, we can write this equation as follows:

y-y_{0}=m(x-x_{0}) \\ \\ y-(-3)=3(x-(-5)) \\ \\ y+3=3(x+5) \\ \\ y+3=3x+15 \\ \\ \boxed{y=3x+12}

From the figures below, the line in red is 3x-y=7 while the line in blue is y=3x+12 and this line passes through the point (-5, -3)!

4 0
3 years ago
Read 2 more answers
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