Answer:
B. x+60+90=180
Step-by-step explanation:
You selected the right choice yay!!
A line will always equal 180 and we are given three things that must equal 180. Also, what is on the top is the same as the bottom so x applies.
x+60+90=180
To make it easier, lets say Justin = J, Eva = E, and Emma = M. Then, J = E + 7.50 M = J -12 J + E + M = 63 You can substitute for M in the third equation using the second equation, and you get: J + E + J - 12 = 63 Clean it up a little bit and you get: 2J + E = 75 You know J = E + 7.50, so substitute that for J and you get: 2(E + 7.50) + E = 75 2E + 15 + E = 75 3E + 15 = 75 3E = 60 E = 20 ; meaning that Eva has $20. Justin has $7.50 more than Eva, so he has $27.50. Emma has $12 less than Justin, so Emma has $15.50. Double check your answer by making sure they all add up to 63, which they do.
<h2>
Answer:</h2>
The dollar price of the Japanese toy is: $ 4.
<h2>
Step-by-step explanation:</h2>
Exchange rate--
It the value of currency of one country in term's of the currency of the other country.
Here it is given that:
The yen per dollar exchange rate is 5.
This means that:
5 yen= $ 1
This means that:
(5×4) yen=$ (1×4)
i.e.
20 yen=$ 4
Now the cost of Japanese toy is: 20 yen
<em>Hence, the cost of the Japanese toy in dollars is: $ 4.</em>
Answer:
When x=-1, y=3; when y=7, x=1; the y-intercept is 5; the x-intercept is 2.5; the slope is 2; the lines' equation is y=2x+5
Step-by-step explanation:
The first two answers can be easily interpreted by looking at the graph. For the next two, remember, the x-intercept is the point where the line touches the x-axis and the y-intercept is the point where the line touches the y-axis. For question e, the slope can be calculated by plugging the two coordinates from the first two questions, (-1,3) and (1,7), into the formula 
or by using the graph to count the slope. The equation of the line is written in slope-intercept form, y=mx+b. Here, m is the slope and b is the y-intercept. Plug in these values that you already found while answering the previous questions and you have the answer.
Answer:
The right answer is 125.6
