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jeyben [28]
3 years ago
7

-3x-3y=3 and y=5x-17

Mathematics
1 answer:
Vesna [10]3 years ago
5 0
The answer for this question is "y = -5/3 and x = 8/3"
You might be interested in
A family uses 12,986. 64 Swiss francs per year to pay a mortgage that requires US dollars. Approximately how much, in US dollars
lukranit [14]

Unit conversion is a way of converting some common units into another without changing their real value. The amount that is paid by the family in mortgage per month is equal to $1200.

<h3>What is Units conversion?</h3>

Unit conversion is a way of converting some common units into another without changing their real value. for, example, 1 centimetre is equal to 10 mm, though the real measurement is still the same the units and numerical values have been changed.

As it is given to us that the family uses 12,986.64 Swiss francs per year to pay a mortgage. Therefore, the amount that is paid by the family in mortgage per month can be written as,

\text{Mortgage for a month} = \dfrac{\text{Mortgage of the family for a complete year}}{\text{Number of Months}}\\\\\\\text{Mortgage for a month} = \dfrac{\rm 12,986.64\ Swiss\ francs}{12} = 1082.22\rm \ Swiss\ francs

Thus, the family needs to pay 1082.22 swiss francs every month in the mortgage.

Now, it is mentioned in the problem that 1 Swiss franc = 1.11 US dollars, therefore, 1082.22 swiss francs when converted to US dollars will be equal to,

\rm 1\ Swiss\ francs = \$1.11 \\\\1082.22\ Swiss\ francs = 1082.22 \times 1.11 = \$1,201.26 \approx \$1,200

Hence, the amount that is paid by the family in mortgage per month is equal to $1200.

Learn more about Units conversion:

brainly.com/question/4736731

8 0
3 years ago
PLEASE HELP........ PLEASEE
Sonbull [250]
The equation is linear
5 0
3 years ago
Read 2 more answers
I will award 50 points and brainliest to the best proof with explanation :D
lisov135 [29]

Step-by-step explanation:

(You might need to draw the triangle on a piece of paper to follow)

First I tried to find the height in terms of<em> a</em>.  

If you draw the height in, the triangle is cut in half. That half triangle is a right triangle.  

Using the Pythagoras theorem you can find out the height. Since you know that the hypotenuse is also <em>a </em>(because it's an equilateral triangle) the equation would be:

(a/2)² + h² = a²

Assuming that h = height

(It's a/2 because when you cut the triangle in half, the base of the right triangle became a/2)

This equation is simplified:

a²/4 + h² = a²

a² + 4h = 4a²

4h = 3a²

h² = 3a²/4

Now, remeber that everything is squared so it should be

h = a√3/2

Now we have the height. To get the area we need to multiply it by the base, which is <em>a, </em>and then divide it by 2<em>.</em>

a√3/2 × a ÷ 2

a²√3/2 ÷ 2

a²√3/4

And there you go. Thats the area.

6 0
3 years ago
Read 2 more answers
Four less than a number is 385
zvonat [6]

Answer:

n-4=385. The answer is 389

8 0
3 years ago
Read 2 more answers
Factor the linear expression 16p- 24 using the greatest common factor of
horsena [70]
The Answer should be A
8 0
4 years ago
Read 2 more answers
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