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3 years ago

If the current exchange rate is 1.35261 US dollars for each Euro, how many dollars would be exchanged for 285 Euro?

Mathematics

2 answers:

Ede4ka [16]3 years ago

6 0

1.35261 * 285 = 385.49385
So i believe 385.49? I might've done that wrong

makvit [3.9K]3 years ago

6 0

Answer: $378.7308\text{ US dollars}$

Step-by-step explanation:

Given: The current exchange rate is 1.35261 US dollars for each Euro.

i.e. One euro = 1.35261 US dollars

Then, $\text{285 Euro}=280\times 1.35261\text{ US dollars}$

$\Rightarrow \text{285 Euro}=378.7308\text{US dollars}$

Hence , the number of dollars would be exchanged for 285 Euro = $378.7308\text{US dollars}$

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3 years ago

Jake has a summer job as a photographer at an amusement park. He wants to save$3500 . He must choose whether to sell large photo

avanturin [10]

Question: Jake has a summer job as a photographer at an amusement park. He wants to save $3500 . He must choose whether to sell large photos or small photos. For each photo, he will earn the amounts shown in the table. How many of each kind of photo will he need to sell to reach his goal of $3500 ?

Answer: With the added information from the comments, Small Photos cost $12 and Large Photos cost $15.

We want to figure out how many photos of each size Jake will need to earn a total of $3500.

To figure out how many Small Photos Jake needs to sell, you can divide the amount he wants to save by the cost of the small photos:

On my calculator, 3500÷12 equals roughly 291.6666667. Realistically that number doesn't make sense in this context, so it's safe to round that to the nearest whole number, which would be 292. Selling 292 small photos will earn Jake $3504. It's okay that he's earned more than he wanted to save because it's safer to earn more instead of not earning the amount he needs. If we decided to stick with 291 small photos, Jake would have only earned $3492, which isn't enough.

In conclusion, Jake will need to sell 292 small photos.

To figure out how many Large Photos Jake needs to sell, the process is the same for the Small Photos. Again, you divide the amount Jake needs to save by the cost of the Large Photos:

3500÷15= 233.3333333 ... the threes keep repeating. As mentioned before, this number realistically doesn't make sense, so we must round again to the next whole number. That would be 234 Large Photos. By selling 234 Large Photos Jake will earn $3510 instead of $3495 if he had only sold 233 Large Photos.

(Hope this helps :). Please let me know if there's any confusion in my explanation)

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3 years ago

Pls help me

vitfil [10]

Answer:

-1/5

Step-by-step explanation:

slope can be found with the equation found in the image.

assign each coordinate with the according variable

x1 = 3 x2 = -7 y1 = 2 y2 = 4

and input the values accordingly.

4 - 2 / -7 - 3 PEMDAS (order of operations)

= 2/ -10 Simplify

= 1/ -5

=-1/5

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3 years ago

Use substitution to solve the system. 5X+3Y=22 Y=2X-11

Ad libitum [116K]

Answer:

See below:

Step-by-step explanation:

Hello! My name is Galaxy and I will be helping you today. I hope you are having a nice day.

We can solve this problem in two steps, Comprehending, and Solving/Checking our answers. I'll be starting off with Comprehending.

Comprehending

We can solve the problem with substitution by finding out what one variable is equal to in terms of the second variable.

This is what we would call System of Equations where we need to find the point where the lines hit.

We can do this either with Graphing, or Algebra. In this case, we need to use substitution, so it has to be Algebraically.

Now that we know how to solve it/what to do, we can start solving.

Solving

We can solve the problem by first replacing y with its correct value in terms of x. Since we know the two equations, we can begin solving.

$y=2x-11\\5x+3y=22$

We can solve it by inserting our y value into the y value of the second equation.

$5x+3(2x-11)=22\\5x+6x-33=22\\11x=22+33\\11x=55\\x=5$

Now that we know our x value, we can solve for y by inserting it into an equation.

$y=2(5)-11\\y=10-11\\y=-1$

Now that we have solved, we have gotten out point of (5,-1)

We can test this by inputting it into an equation. (Any of the latter).

$5(5)+3(-1)=22?\\25-3=22?\\22=22$

Now that we have checked our answer and it appears correct, we have gotten our answer of (5,-1).

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