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avanturin [10]
3 years ago
11

2x + 5y = 17 what is x what is y

Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0

Answer:

x = (17 - 5y)/2

y = (17 - 2x)/5

Step-by-step explanation:

nothing else can be done here.

if you are looking for actual numbers as solution, then you have forgotten to put something important here.

to solve a system with 2 variables we need 2 equations. it cannot be solved with only 1 equation.

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What is the sum of -7 and 3? <br> A. -4 <br> B. -3 <br> C. 3 <br> D. 4
lions [1.4K]

Answer:

-4

Step-by-step explanation:

Using a number line can help solve this problem

-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 1

To add a positive number to a negative one, we are going to move that number of spaces to the right (We are adding positive 3 to negative 7, so we are moving 3 spaces to the right)

-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 1

               ^ We start here at negative 7

-10 -9 -8 <em>-7</em><em> </em>-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 1

                   ^    ^   ^  Then move three to the right

-10 -9 -8 -7 -6 -5 <u>-4</u> -3 -2 -1 0 1 2 3 4 5 6 7 8 9 1

So -4 is our answer

3 0
3 years ago
Read 2 more answers
There are 16 cats and 14 dogs in a local animal shelter.
nevsk [136]
The answer would be D because it is comparing cats and dogs in the shelter. I assume you made a typo saying neiborhood instead of shelter. Hope this helps you










4 0
4 years ago
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Please answer this question?​
Svetlanka [38]

Answer:

<u>Answer</u><u>:</u><u> </u><u>(</u><u>a</u><u>)</u><u>. </u><u>2</u><u>9</u><u>0</u><u>°</u>

{ \tt{a + 40 \degree + 30\degree = 360\degree}} \\  \\ { \tt{a  + 70\degree = 360\degree}} \\  \\ { \tt{a = 360\degree - 70\degree }} \\  \\  { \boxed{ \tt{ \:  \: a = 290\degree}}}

7 0
3 years ago
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Please help urgently
Reika [66]

Answer:

<u>2</u>

Step-by-step explanation:

Take two points which lie on the line :

  • (0, 1)
  • (1, 3)

Gradient (slope) formula :

  • m = y₂ - y₁ / x₂ - x₁
  • m = 3 - 1 / 1 - 0
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5 0
2 years ago
Tuesday’s Hugh temperature was 4 degrees less than Monday’s high temperature
zavuch27 [327]

Answer:

Y= X - 4

Step-by-step explanation:

X = mondays temp

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