Solve the simultaneous equations
4x + 2y = 23
3x - 2y = 5

Step-by-step explanation:

afsoon the process in the picture hope you understood.

Answer:

x= 3

Step-by-step explanation:

6x + 15 - 2 = 3x + 18

4x +15 = 3x + 18

4x -3x = 18-15

x = 3

Answer:

a)  x=24/k

b)  x=24/3

    x=8

Step-by-step explanation:

Quotient meant division and you are trying to find the quotient (x) so you divide 24 by 3 to get 8

Answer:

Step-by-step explanation:

There is a missing operator in the second equation.

If the equation is 4x - 8y = 4, then the system is dependent. The second equation is a non-zero multiple of the first.

[tex]x = v + 5[/tex]

[tex]x - 5 = v + 5 - 5[/tex]

[tex]x - 5 = v[/tex]

[tex]v = x - 5[/tex]

Answer:

x=5

Step-by-step explanation:

add 3 to both sides of the equation: -3+3=0 12+3=15 simplified: 6x=3x+15 then subtract 3x from both sides of the equation. simplified: 3x=15

then divide both sides by 3. simplified: x=5

Answer:

You are correct!! The table does show that she makes 25 dollars in 1 hour.

Am i suppose to answer it because you already said the answer is A. Well, You're right.

And Thank you!

Answer:

C. 13 unit

Step-by-step explanation:

I got right

Answer:

step 1. (g(12) - g(8))/12 - 8

step 2. (12(4)^(12 - 8) - 12(4)^(8 - 8))/4

step 3. 12(256) - 12)/4

step 4. 765.

Answer:

$1,052

Step-by-step explanation:

.................

Answer: 1,052

Step-by-step explanation: Okay so she has $54.50 saved right now and she wants to save $33.25 each week for the next 30 weeks so we're multiplying. 33.25x30= 997.5 plus the money she has right now is 997.5+54.50= 1,052

Answer:

(-3, 2)

Step-by-step explanation:

Answer:

No

Step-by-step explanation:

Step 1: Understand the inequality

The inequality 0.35x + 0.99y + 0.59 ≤ 3 contains 2 variables 'x' and 'y'.  We can see the 'x' is multiplied by 0.35 which is the price of a sticker which means 'x' represents how many stickers Linda is buying.  The 'y' is multiplied by 0.99 which is the price of a eraser which means 'y' is how many erasers Linda is buying.  We ignore the 0.59 as that's the price for a pencil but Linda doesn't buy a pencil

Step 2: Sub in the values

[tex]0.35(3)+0.99(2)<3\\1.05+1.98<3\\3.03<3[/tex]

Step 3: Interpret the answer

Because the equality isn't true we can conlude Linda doesn't have the money to buy 3 stickers and 2 erasers

Answer:

no

Step-by-step explanation:

0.35x3=$1.05

0.99x2=$1.98

add $0.59+$1.98+$1.05

=$3.62

Answer:

[tex]y=\frac{5+8x}{10} , x=x[/tex]

Step-by-step explanation:

y-0.8x=0.5

y*10-0.8x*10=0.5*10

10y-8x=5

10y-8x+8x=5+8x

10y/10=5/10+8x/10

y=5+8x/10

5*5+8x/10-2.5

8x+5/2-2.5=4x

y=5+8x/10, x=x

Answer:

6.966

Step-by-step explanation:

•Mark how many you have in the d.p

•If there is two or more add them up

•Multiply like normal given numbers

•Write where the decimal point is to be

Hope that helps

The answer you are looking for is 6.966. You multiply the numbers as normal, the place the decimal based off of how many numbers are behind the 2 decimal points given. 1.29 has 2 numbers behind the decimal, and 5.4 has 1. 1 + 2 = 3, so from the right of the last number on the right side, you move the decimal 3 places.

Here's an image to show you how I solved the problem.

I hope this helps!!

Answer:

2

Step-by-step explanation:

im not sure is this is correct but I put

21÷6=3.5

7÷3.5=2

Answer:

The rate of the current is 2 mph.

Step-by-step explanation:

When the boat travels upstream we have:

[tex] v_{T_{1}} = v_{b} - v_{c} [/tex]                      

[tex] \frac{x_{1}}{t_{1}} = v_{b} - v_{c} [/tex]    

Where:

[tex] v_{T}[/tex]: is the total speed

[tex]v_{b}[/tex]: is the speed of the boat = 10 mph

[tex]v_{c}[/tex]: is the speed of the current

x: is the distance

t: is the time

And when the boat travel downstream we have:

[tex]v_{T_{2}} = v_{b} + v_{c}[/tex]        

[tex] \frac{x_{2}}{t_{2}} = v_{b} + v_{c} [/tex]                              

Since the boat takes 4 hours longer to travel 48 miles going upstream than it does to travel 24 miles going downstream we have:

[tex] \frac{x_{1}}{t + 4} = v_{b} - v_{c} [/tex]   (1)

[tex] \frac{x_{2}}{t} = v_{b} + v_{c} [/tex]   (2)

By adding equation (1) with (2):

[tex] \frac{x_{1}}{t + 4} + \frac{x_{2}}{t} = 2v_{b} [/tex]

[tex] tx_{1} + (t+4)x_{2} - 2v_{b}t(t+4) = 0 [/tex]

[tex] 48t + 24(t+4) - 2*10t(t+4) = 0 [/tex]

By solving the above equation for t we have:

t = 2 h      

Now, by entering "t" into equation (2) we have:

[tex] \frac{24 miles}{2 h} = 10 mph + v_{c} [/tex]  

[tex] v_{c} = 2 mph [/tex]

Therefore, the rate of the current is 2 mph.

I hope it helps you!  

Answer:

10

Step-by-step explanation:

10-10=0

Answer:

the answer is -15

Step-by-step explanation:

Answer:

The volume of a sphere with 6 inch radius is 36(pi) cubic inches or approximately 110 cubic inches.

Step-by-step explanation:

Answer: 110

Step-by-step explanation:

100% true i think

Answer:

17 inches

Step-by-step explanation:

it's 17 because x² = 15² + 8²

then x² = 225+64 which is x² = 289 so now you have to do the square root on both side x= 289

x= 17

Answer:

x3 y1

Step-by-step explanation:

ABCD reflects over [tex]X-[/tex] axis.

Then translated to [tex](x+[6],y+[-1])[/tex].

A single or multiple changes in a geometrical shape or figure is called Geometrical Transformation.

A geometrical transformation in which a geometrical figure changes his position to his mirror image about some point or line or axis is called Reflection.

We can see in the given figure that ABCD becomes EHGF after reflecting over [tex]X-[/tex] axis.

So now A became the point E.

We can see in the figure that the coordinates of A were [tex](-5,2)[/tex]

And now the coordinates of E are [tex](1,1)[/tex]

So, [tex](-5+[6],2+[-1])=(1,1)[/tex]

Hence the transformation is [tex](x+[6],y+[-1])[/tex].

Learn more about Geometric Transformation here -

https://brainly.com/question/24394842

#SPJ2

Answer:

32 + n =44.29

Step-by-step explanation:

the sum of 32 and n means add n to 32 or 32 + n

Answer:

2 and 1

Step-by-step explanation:

2 + 1 = 3

2 - 1 = 1

Answer:

the first and third one

Step-by-step explanation:

those are obtuse triangles because they open wide

x = 239

y = 146

Step-by-step explanation:

Let two numbers be x and y

x + y = 385. ------------equation (1)

x - y = 93. ------------equation (2)

from (1) and (2)

x = 239 and y = 146

Answer: Choice B

Pick any row to find that y/x is equal to 1/4

For example, in the second row we can immediately see that y/x = 1/4 since x = 4 and y = 1 pair up together. The other two rows involve a bit more work, but you should find the result simplifies to 1/4 as well.

Answer:

Step-by-step explanation:

A ratio would mean that for every x number of adults there are a y number of children and the total in this scenario would need to total the 15 individuals in the bus. Therefore, since there has to be more adults than children then any of the following three ratios would be valid.

10 adults :: 5 children

14 adults :: 1 children

5 adults :: 3 children

All three of these ratios add up to be the 15 total individuals in the bus and also fit the requirement that there are more adults tan children.

Answer:

60x + 30 = y | Honestly not sure if it's right but I wanted to help anyways!

Step-by-step explanation:

Given:

[tex]f(x)=2x[/tex]

[tex]g(x)=f(x)+4[/tex]

To find:

The y-intercept of g(x).

Solution:

We have,

[tex]g(x)=f(x)+4[/tex]

Putting [tex]f(x)=2x[/tex], we get

[tex]g(x)=2x+4[/tex]

Substitute x=0 to find the y-intercept of g(x).

[tex]g(0)=2(0)+4[/tex]

[tex]g(0)=0+4[/tex]

[tex]g(0)=4[/tex]

Therefore, the y-intercept of g(x) is at point (0,4). So, the y-intercept of g(x) is 4.

Answer:

370.85

Step-by-step explanation:

Answer:

45 maybe

Step-by-step explanation:

it is a right angle . just divide by 2

Answer:

c) 0.04 is the answer

I would be happy if you give brainliest