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3 years ago

Can someone help me with this? giving brainliest to correct answer!

Mathematics

1 answer:

Reika [66]3 years ago

4 0

Answer:

see explanation

Step-by-step explanation:

(a)

x + y = 15 → (1)

(b)

xy - yx = 27 ( take into account the place value of the digits )

10x + y - (10y + x) = 27

10x + y - 10y - x = 27

9x - 9y = 27 → (2)

(c)

Multiply (1) by 9

9x + 9y = 135 → (3)

Add (2) and (3) term by term to eliminate y

18x = 162 ( divide both sides by 18 )

x = 9

Substitute x = 9 into (1)

9 + y = 15 ( subtract 9 from both sides )

y = 6

Thus the original number = (9 × 10) + 6 = 90 + 6 = 96

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Bumek [7]

Answer:

Step-by-step explanation:

(C)

5 0

3 years ago

Help me plssss!!!!!!

ella [17]

Answer:

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7 0

3 years ago

The table below shows the linear relationship between the number of people at a picnic and the total cost of the picnic.

8_murik_8 [283]

The true statements are:

The independent variable is the number of people.
The rate of change is $8.67 per person.
As the number of people increases, the total cost of the picnic increases.

<h3>What are the true statements?</h3>

The independent variable is the variable that determines the value of the dependent variable. There is a positive relationship between the number of people at the picnic and the total cost. This is because it can be seen as the number of people at the picnic increases, the total cost changes.

Rate of change = total cost / number of people

$52 / 6 = $8.67

To learn more about independent variables, please check: brainly.com/question/26287880

#SPJ1

3 0

2 years ago

A real estate agent sells a house for $92,000. She receives a 6% commission on the sale of the house. How much did she earn on t

Lena [83]

$5,520.00 there ya go

5 0

2 years ago

I added a screenshot of my question

Anastasy [175]

<h2>Answer:</h2>

$y=\frac{1}{3}x+4$

<h2>Explanation:</h2>

Slope-intercept form:

What the variables mean:

Y=the y axis

m=the slope

x=the x-axis

b=the y intercept (the point on the line that crosses the y-axis)

To Calculate the Slope:

1. Find any 2 points on the line

2. The number of units the second point is above the first is the numerator

3. The number of units the second point is to the right of the first is a denominator

(Please see the picture attached)

$y=\frac{1}{3}x+b$

To Find the Y-Intercept:

1. Find the point on the line that crosses the y-axis

(Please see the picture attached)

$y=\frac{1}{3}x+4$

5 0

3 years ago