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tangare [24]
3 years ago
15

How do i solve for x and y 4x+y=8 x=5-y

Mathematics
1 answer:
vlada-n [284]3 years ago
8 0
Please brainless if it’s wrong please message me

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Will mark brainliest to best answer!
dsp73

Step-by-step explanation:

x is the independent variable

y is the dependent variable

3 0
3 years ago
The interior angles formed by the sides of a quadrilateral have measures that sum to 360°.
Svetach [21]

Let

angle 1=2x°

angle 2=2x°

angle 3=124°

angle 4=124°


we know that

The interior angles formed by the sides of a quadrilateral have measures that sum to 360°

so

angle 1+angle 2+angle 3+angle 4=360°

2x+2x+124+124=360\\ 4x+248=360\\ 4x=112\\ x=28degrees

therefore


the answer is

x=28degrees

4 0
3 years ago
Read 2 more answers
PLEASE ANSWER ASAP What is the solution of each proportion?
HACTEHA [7]
So first of all they are similar because they are in the same degree and the top and bottom of each one is equal, and so are the left and right. You need to set up a proportion of 10:3.12 and 5:1.2 because those are the sides that match up. They match because if you rotate the second figure to the right it would match the figure on the right. The only available answer then out of 10:3.12 and 5.12 is letter A. Hope this helps comment if you need any more help or it’s confusing.
6 0
3 years ago
Nine students made models of mars and its moons. The answer is 18. What’s the question?
VashaNatasha [74]

The answer would be "Nine students each make 2 models of Mars and its moons. How many models did they make in total?" Since the answer is 18 and there are 9 students (and also since 18 can be divided into 9), you can divide 18 and 9 to get 2. This makes sense because if each student makes 2 models (as stated), there'd be a total of 18 models (as stated in the question you gave). Hope this helped!


4 0
2 years ago
The graph of the function f(x)=−4(x−3)2+9 will be a parabola opening in which direction?
sesenic [268]

Answer:

downwards

Step-by-step explanation:

the equation of a parabola in vertex form is

f(x) = a(x - h)² + k

where (h, k ) are the coordinates of the vertex and a is a multiplier

• if a > 0 then parabola opens upwards

• if a < 0 then parabola opens downwards

for

f(x) = - 4(x - 3)² + 9 with a = - 4 < 0 , then

the parabola opens downwards

8 0
2 years ago
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