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BlackZzzverrR [31]
2 years ago
11

1. What is the x-intercept for the equation -2x+5y =-10?​

Mathematics
2 answers:
kirill115 [55]2 years ago
6 0

Think about the axis for a moment. You have the y-axis and the x-axis. The y-axis crosses the x-axis at y=0. Consequently the graph must also cross the x-axis when its equation has its y-value set to 0.

Likewise the graph will cross the y-axis when x=0

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Solving your question

To find the x-intercept set y=0 giving

- 2x  + 5(0) =  - 10 \\  - 2x =  - 1 |?|

Multiply both sides by ( -1) giving

2x = 10

Divide both sides by 2 giving

\frac{2}{2}  \times x =  \frac{10}{2}  \\

But \frac{2}{2} = 1 \:   \\ giving

<h3>x =  \frac{10}{2} \\</h3>

<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>

vfiekz [6]2 years ago
5 0

Answer:

2x-5y=10 in slope intercept form is y=2/5x-2. The x intercept would be 5 and the y intercept would be -2. The slope is 2/5.

Step-by-step explanation:

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Kevin and his children went into a restaurant and he bought $31.50 worth of hotdogs and drinks. Each hotdog costs $4.50 and each
stich3 [128]

Answer:

<em>He bought 6 hotdogs and 2 drinks</em>

Step-by-step explanation:

<u>System of Equations</u>

Kevin and his children went into a restaurant and bought $31.50 worth of hotdogs and drinks. Each hotdog costs $4.50 and each drink costs $2.25.

To solve the system of equations, we'll call the variables:

x = number of hotdogs

y = number of drinks

The first condition yields the equation:

4.50x + 2.25y = 31.50          [1]

It's also known he bought 3 times as many hotdogs as drinks, thus:

x = 3y         [2}

Substituting [2] in [1]:

4.50(3y) + 2.25y = 31.50

Operating:

13.5y + 2.25y = 31.50

15.75y = 31.50

y = 31.50/15.75

y = 2

And

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5 0
2 years ago
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Paha777 [63]

Exact Form:

d

=

−

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d

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Decimal Form:

d

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0.07217269

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Equation at the end of step 1

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STEP
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Equation at the end of step
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Try to factor this multi-variable trinomial using trial and error

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