Yo if you can help me I'll give brainliest.

Yo If You Can Help Me I'll Give Brainliest.

Answers

Answer 1

Answer: x = 5; y = -5

[tex]\left \{ {{-7x-3y=-20} \atop {3x+6y=-15}} \right. \\\\<=>\left \{ {{-7x-3y=-20} \atop {x+2y=-5}} \right. \\\\<=>\left \{ {{-7(-5-2y)-3y=-20} \atop {x=-5-2y}} \right. \\\\<=>\left \{ {{35+14y-3y=-20} \atop {x=-5-2y}} \right. \\\\<=>\left \{ {{11y=-55} \atop {x=-5-2y}} \right. \\\\<=>\left \{ {{y=-5} \atop {x=5}} \right.[/tex]

Step-by-step explanation:

Answer 2

Answer:

x=5

y=-5

Step-by-step explanation:

Yo If You Can Help Me I'll Give Brainliest.

Related Questions

100PTS PLEASE GIVE EXPLANATION
(I really need help please)

2x + 6y= 12

X + 3y= 6


In solving the system of equations shown above, Sean showed the following steps:

Step 1: x = 6 – 3y

Step 2: 2(6-3y) + 6y = 12

Step 3: 12 – 6y + 6y = 12

Step 4: 12 = 12


Sean’s work is correct. However, there are no variables in Sean’s final step. What can he state as the solution of the system?

Answers

Answer:

The system has infinitely many solutions

Step-by-step explanation:

There are no variables left. And the final equation is correct.

It means the system is going to be correct for any value of variables. So there are infinitely many solutions

Answer:

Step-by-step explanation:

There are two equations in the question

[tex]2x+6y=12\ -->Equation\ 1\\\\x+3y=6\ -->Equation\ 2\\\\[/tex]

If we take 2 common from the first Equation it becomes,

[tex]2(x+3y)=12\\\\x+3y=12/6\\\\x+3y=6\\[/tex]

Now we can see that both the Equations are similar which means they would have the same graph.

Since both the equations have the same equation of line they have infinitely many solutions which means both the lines intersect at each and every point on the line, since both the lines are on top of each other.

We can also see that in Step 4 where 12 = 12 there are no variables in the equation which also means that the work is correct and Sean can say that the system of equations is consistent and dependent which means they have infinite number of solutions


Find the square root of -36.
A-6
B 6
C Cannot be done

Answers

Answer: C) Cannot be done

Taking the square root of a negative number is not possible unless you involve complex numbers. If your teacher has not introduced that topic yet, then you just simply say "cannot be done" or something along those lines.

Question 7
1 pts
Mike purchased a car worth $18,000 in the year 2008. It loses its value by 6% per
year. What is the value of the car in 2020? Round your answer to the nearest whole
dollar, and do not enter any decimals or commas.
$
Need some help

Answers

Answer:

I'm pretty sure that'd be 8567

1. Which of the following is a rational number? (4 points)
197, 198, 199, 100
197
198
199
V100

Answers

Answer:

[tex]the \: rational \: number \: is \: \sqrt{100} [/tex]

Step-by-step explanation:

The reason why

[tex] \sqrt{97} [/tex]

isn't a rational number is because, when simplified, it results in 9.848857802.... its decimal doesn't terminate(stop).

The reason why

[tex] \sqrt{98} [/tex]

isn't a rational number is because, when simplified, it results in 9.899494937.... it's decimal doesn't terminate(stop).

The reason why

[tex] \sqrt{99} [/tex]

isn't a rational number is because, when simplified, it results in 9.949874371.... it's decimal doesn't terminate(stop).

The reason why

[tex] \sqrt{100} [/tex]

is a rational number is because, when simplified, it results in 10, its decimal terminates (stops).

100 is rational because can be expressed as the quotient of two integers

Give an example of an equation that is a linear function. Explain why is is a linear

Answers

Answer:

For example, a common equation, y=mx+b y = m x + b

Step-by-step explanation:

is a linear function because it meets both criteria with x and y as variables and m and b as constants.

Acell phone weighs about 2.8x 10" pounds. Which value of n is most reasonable?
O1

Answers

Answer:

write in algorithm and draw a flowchart to calculate the factorial of a number (N). verify your results by a trace table by assuming N=5

. A customer at a store paid $42 for 4 pairs of pants and 3 shirts. At the same store, a
second customer paid $2 more for 1 pair of pants and 7 shirts. The price of each pain
of pants is the same, and the price of each shirt is the same.
-Which system of equations can be used to find the price in dollars of each pair of
pants, x, and each shirt, y?

Answers

Answer:

A

Step-by-step explanation:

Evaluate the question and simplify

Answers

The answer is 11.

Step-by-step explanation:

19-25\19-15

44/4= 11

Зr - 7 = 11
What is the answer

Answers

Depends on what you’re looking for.

r=6

Help meh. plssss. I need thisssss. PLEASE.

Answers

Im pretty sure the unit rate would be 50 mph!

Answer:

50

Step-by-step explanation:

You look at the graph, when x is one it intercept in the middle of 75 and 25, and that is 50

The price of a bicycle was decreased by 40% to £96. What was the price before the decrease?The price of a computer was decreased by 20% to £420. What was the price before the decrease?

Answers

the first one would be $160 and the second one would be $525

what is decimals -4.8(5.3)

Answers

Answer:

-25.44

Step-by-step explanation:

Write the equation of the line that passes through the points (0, -3) and (-4,1).
Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal
line.

Answers

Step-by-step explanation:

I'm going to explain this in standard slope intercept form (y=mx+b) because it is easiest for this situation. I will also include converting it to point slope form. I will also show how to do straight into point slope form if you find that more helpful.

First thing is to identify difference in x and y in both points. From point 1 to point to, the x changes -4 and the y changes +4. We can rapresent this in rise over run fraction

[tex] \frac{4}{ - 4} = - 1[/tex]

So the slope is -1 because the slope is the simplified rise over run fraction.

Our next step is to find the y-intercept. This is easy because the first point is the y-intercept, so -3 is our y-intercept.

Now we know the equation.

[tex]y = - x - 3[/tex]

All we have to do now is convert it into point-slope form. So here is point slope form: y + y1 = m(x + x1). Y1 is the y-intercept and m is the slope.

[tex]y - 3 = - 1(x + x1)[/tex]

So x1 is the x intercept, so to find this you find the x value when y is 0. You can do this by using the standard form I've done because it is easiest.

[tex]0 = - x - 3 \\ x = - 3[/tex]

So when y is 0, then x is -3. Here is the complete point slope form of the line.

[tex]y - 3 = - 1(x - 3)[/tex]

-----------------------------------------------------

To put the line directly into point slope for you need to find the slope, y-intercept, and x-intercept and place the values in accordingly. If you aren't given the y-intercept and x-intercept straight away it can be difficult for some putting it directly in point slope form. That is why I recommend putting it into standard form then point-slope form.

Answer:

y=-1x-3

Step-by-step explanation:

First, you have to find the slope using the formula I attached. Using this formula, you will subtract the second y from the first y, which is 1-(-3) for this problem. That equals 4, so that will be the numerator of the slope. Next, you have to subtract the second x from the first x, which is -4-0 for this problem. That equals -4, so that will be the denominator for this slope. the fraction now is [tex]\frac{4}{-4}[/tex], which is -1. The slope is -1. The current equation looks like this: y=-1x+b. Now we can solve for b, or the y-intercept. To do this, you have to use the x and y of one of the coordinates, it doesn't matter which one, the answer will be the same. Use the first one, for example. The x is 0 and the y is -3, so the our equation to find b is -3=-1(0)+b, which is -3=0+b, which is -3=b, or b=-3. So now we know what b is. Now we have to two components we need to write the equation, the slope (-1) and the y-intercept (-3). Now we can write the equation. y=-1x+(-3), or y=-1x-3.

Plsss help I’ll give u brainlest and 10 points

Answers

It says 5 points bro

Consider this system of equations and the partial solution below.

6 x + 2 y = 6.
7 x + 3 y = 9.

Multiply the first equation by –3.
Multiply the second equation by 2.
Add the resulting system of equations.

Which terms will cancel when you add the resulting system of equations?

Answers

The first equation will turn into -18x -6y = -18, and the second equation will turn into 14x + 6y = 18. The y terms will cancel out when you add the equations together.

Answer:

A

Step-by-step explanation:

Simplify. Use a horizontal format.

(-2y2 - 4y - 11) + (4y2 - 4y)

Answers

-4y-11 that the answer hope it helps

What is the square root of 48?

Answers

Answer:

6.92

Step-by-step explanation:

Identify the correct definition of the term. Angle​

Answers

Answer:

In geometry, an angle can be defined as the figure formed by two rays meeting at a common end point. An angle is represented by the symbol ∠. ... Angles are measured in degrees, using a protractor.

Step-by-step explanation:

Oil prices are projected to increase by 75% by next May. A quart of oil currently costs $2.15. What is the projected cost of a gallon of oil next May? Round your answer to the nearest hundredth. After eating dinner at a restaurant, Sid's bill before tax is $62.00. The sales tax rate is 8%. Sid decides to leave a 15% tip for the waiter based on the pre-tax amount. How much money will Sid pay total, including tax and the tip?

Answers

Answer:

The oil will cost 3.76.

Sid paid 76.26.

Step-by-step explanation:

2.15 * 0.75 = 1.61

1.61 + 2.13 = 3.76

62*0.15 = 9.30

62*0.08 = 4.96

Answer this question and if right ill make branilliest

Answers

Answer:

I think that removing (1, 3) would make the most sense

Answer:

(1,3)

Step-by-step explanation:

Because (1,-2) and (1,3) have the same x value, they do not pass verticle line test, so it is not a function.

1/2 x = 14
What is x

Answers

Answer:28

Source:trust me bro

Answer:

1/2 x 28 =14       X=28

Step-by-step explanation:

find the missing side
C=

Answers

Answer:

C = 10

Step-by-step explanation:

[tex]A^{2}[/tex] + [tex]B^{2}[/tex] = [tex]C^{2}[/tex]

[tex]6^{2}[/tex] + [tex]8^{2}[/tex] = 100

[tex]\sqrt{100}[/tex] = 10

Please answer this I just need the slope.

Answers

Answer:

slope is 2/3x-2

Step-by-step explanation:

Answer:

the slope of the line is 2/3 so in y=mx+b format you would get y = 2/3x+(-2) or y=2/3x-2

to find it you have to see how many over and how many up you have to go until you hit the line at a specific reaccuring pattern. then you do rise over run (or up over side) to get the slope.

Step-by-step explanation:

i hope this helps :))

How do I figure this out?

Answers

I think it is permutation because I asked Siri what it meant and she said...

identify the measurements of the missing angles

Answers

Answer:

-4 + 12x = 80

11x + 3 = 80

Step-by-step explanation:

-4 + 12x

-4 + 12 (7)

-4 + 84

80

11x + 3

11 (7) + 3

77 + 3

80

Simplify the following expression:
-10w + 3 + 12j

Answers

Answer:

=12j−10w+3

Step-by-step explanation:

Naomi's square bedroom has an area of 90 square feet. What is
the length of one of the walls? Round to the nearest tenth if
necessary.
A) 9.0 feet
B) 9.5 feet
C) 22.5 feet
D) 45.0 feet

Answers

Answer:

9.5 feet

Step-by-step explanation:

According to the question

The equation is

x²=90

x=√90

x=3√10 or 9.5

Answer:

9.5 Ft

Step-by-step explanation:

:)

Which of the following tables could possibly
represent the graph?
х
y
-2
-4
A)
B)
х
-2
-1
-1
-1
WOWOK
0
2
1 5
х
Y
1
3
.X
0
1
2
3
4
C)
2
1
D)
3
3
10
g(x)
17 | 24 | 31
38
4
-3

Answers

Answer:

D.)

Step-by-step explanation:

The graph is decreasing from left to right therefore as the x values increases the y values are decreasing. You can also say that the graph has a negative slope.

i need help asap !!​

Answers

Answer:

Solving the expression  [tex]\frac{\sqrt[3]{7} }{\sqrt[5]{7} }[/tex] we get [tex]\mathbf{7^{\frac{2}{15}}}[/tex]

Option D is correct option.

Step-by-step explanation:

We need to solve the expression: [tex]\frac{\sqrt[3]{7} }{\sqrt[5]{7} }[/tex]

We know that

[tex]\sqrt[3]{x}=x^{\frac{1}{3}[/tex] and [tex]\sqrt[5]{x}=x^{\frac{1}{5}[/tex]

Using above rule:

[tex]\frac{\sqrt[3]{7} }{\sqrt[5]{7} }\\=\frac{7^{\frac{1}{3}}}{7^{\frac{1}{5}}}[/tex]

Now, we know the exponent rule if bases are same and divided then exponents are subtracted i.e:  [tex]\frac{a^m}{a^n}=a^{m-n}[/tex]

Using the exponent rule

[tex]=7^{\frac{1}{3}-\frac{1}{5} }\\Simplifying\:exponents\\=7^{\frac{5-3}{15}}\\=7^{\frac{1*5-1*3}{15}}\\=7^{\frac{2}{15}}[/tex]

So, solving the expression  [tex]\frac{\sqrt[3]{7} }{\sqrt[5]{7} }[/tex] we get [tex]\mathbf{7^{\frac{2}{15}}}[/tex]

Option D is correct option.

95°



55°
please fast give me correct ans with full process i will mark u as brainlist ​

Answers

Answer:

Step-by-step explanation:

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