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barxatty [35]
4 years ago
15

Solution for 5y+2y = -24

Mathematics
2 answers:
Sindrei [870]4 years ago
8 0
7y=-24
y= -24/7
 You have to add the two vaiables and then divide to get the y by itself.
Rashid [163]4 years ago
7 0
Simplifying
5y+2y= -24

Combine Like Terms
Y
7y=-24

Solving
7y=-24

Solving for variable 'y'

Move all terms containing y to the left, all other terms to the right.

Divide each side by '7'
Y=-3.428571429

Answer

Y= -3.428571429
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04
lara [203]

Answer:

4a+5b

Step-by-step explanation:

Given:

Apple=£a

Banana=£b

Quantity of Apple=4

Quantity of banana=5

Find the cost of 4 apples and 5 bananas

Total cost=PaQa+PbQb

Where,

Pa=price of Apple

Qa=quantity of Apple

Pb=price of banana

Qb=quantity of banana

Total cost=PaQa+PbQb

=4*a+5*b

=4a+5b

5 0
4 years ago
Calvin bought 20 pencils at 0.45 each how many change did he get from a 10 dollar bill
ehidna [41]
To get the answer, multiple 20 by 0.45= $9 than subtract 9$ from $10 which equals $1.
4 0
3 years ago
Read 2 more answers
What is the midpoint of the segment shown below? (5,4) (5,-3)
Monica [59]

The midpoint is (5, ¹/₂).

<h3>Further explanation</h3>

The midpoint is the coordinates of a point right in the middle of a line segment or two endpoints.

The Midpoint Formula \boxed{\boxed{ \ M = \bigg( \frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2} \bigg) \ }}

So, abscissa and ordinate of the midpoint are the averages of both endpoints. i.e., (x₁, y₁) and (x₂, y₂).

Given (x₁, y₁) = (5, 4) and (x₂, y₂) = (5, -3).

Let's calculate the midpoint.

\boxed{ \ M = \bigg( \frac{5 + 5}{2}, \frac{4 + (-3)}{2} \bigg) \ }

\boxed{ \ M = \bigg( \frac{10}{2}, \frac{1}{2} \bigg) \ }

\boxed{ \ M = \bigg( 5, \frac{1}{2} \bigg) \ }

We get the midpoint between the two endpoints, that is, (5, ¹ / ₂).

<h3>Learn more</h3>
  1. Finding a line that is not parallel to either the x-axis or the y-axis and passes through a point brainly.com/question/4691222
  2. Finding the equation, in slope-intercept form, of the line that is parallel to the given line and passes through a point brainly.com/question/1473992
  3. A line segment is a piece of a line with two endpoints brainly.com/question/909890

Keywords: the midpoint, the line segment, endpoints, in the middle, between, average, abscissa and ordinate, the coordinates

5 0
3 years ago
What equation is the inverse of y=2x^2-8?
Fynjy0 [20]

Step-by-step explanation:

To get the inverse, swap the x- and y-variables, then solve for y. We should have the equation: x = 2y^2 - 8

Solving for y:    

y = 2x^{2} - 8    because  y + 8 = 2x^{2} or  x =\sqrt\frac{y +  8}{2}

So on interchanging the variable, we get the equation:

x = 2y^2 - 8

x + 8 = 2y^2

y = \sqrt\frac{x + 8}{2}

5 0
3 years ago
Find the point P on the line yequals=33x that is closest to the point (60 comma 0 )(60,0). What is the least distance between P
scoray [572]

Answer:

18\sqrt{10}$ units

Step-by-step explanation:

We are given the equation of the line y=3x and a point, say Q(60,0) outside of that line.

We want to find the point on the line y=3x which is closest to Q.

Let P(x,y) be the desired point. Since it is on the line y=3x, it must satisfy the line.

If x=a, y=3a, so the point P has the coordinates (a,3a).

Distance between point Q and P

=\sqrt{(60-a)^2+(0-3a)^2}\\D =\sqrt{10a^2-120a+3600}

To minimize D, we find its derivative

\dfrac{dD}{da}=\dfrac{10a-60}{\sqrt{10a^2-120a+3600} }\\$Setting \dfrac{dD}{da}=0\\10a-60=0\\10a=60\\a=6

Therefore, the y-coordinate for P is 3*6=18.

The point P=(6,18).

Next, we calculate the distance between P(6,18) and (60,0).

D =\sqrt{10(6)^2-120(6)+3600}\\=\sqrt{3240}\\=18\sqrt{10}$ units

8 0
4 years ago
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