Determine if the following system of equations has no solutions, infinitely many
solutions or exactly one solution.
-5x + y = -2
20x – 4y = 8

Answer:

Quadrant ||

Step-by-step explanation:

Look at the png below it may help you.

Answer:

I think second one is the ans

The constant of proportionality for the amount of flour to sugar in this recipe is 2.

If Kareem uses 3.5 cups of sugar, he will need 7 cups of flour.

Two variables are said to be proportional if an increase in one variable leads to an increase in another variable and vice versa.

Let y represent the cups of flour and x represent the cups of sugar. Hence:

3.5 cups of flour for every 1.75 cups of sugar:

y ∝ x

y = kx

k is the constant of proportionality

3.5  = 1.75k

k = 2

y= 2x

If Kareem uses 3.5 cups of sugar, he will need:

y = 2x = 2(3.5) = 7

The constant of proportionality for the amount of flour to sugar in this recipe is 2.

If Kareem uses 3.5 cups of sugar, he will need 7 cups of flour.

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Answer:

Step-by-step explanation:

If slope of two lines are equal, then they are parallel lines.

If product of the slope of two lines is (-1), then they are perpendicular lines.

C) y = x + 2

Slope m1 = 1

y = -x + 3

Slope m2 = -1

m1 * m2 = 1 * (-1) = -1

These are perpendicular lines.

D) y = 3x + 2

Slope = m1 = 3

y = 3x - 2

Slope = m2 = 3

Slopes are equal. So, they are parallel lines.

E)y= 3

This line is parallel to x -axis.

x = 4

This line is parallel to y-axis.

So, both lines are perpendicular to each other.

F) y = x + 8

slope m1  = 1

y = -x + 3

Slope = m2 = -1

M1 * m2 = 1 * (-1) = -1

So, These are perpendicular lines

Step-by-step explanation:

You use the formula BODMAS and then you simply the brackets first

(7+4x)=11x

And then you group using like terms which is

-4 - 42 +11x - 6x and then you get ur answer

Answer:

to get you answer you would have to add 1 1/2 and 2 1/4, then your equation would be 60 ÷ 3 3/4 , then whatever your total is, multiply that by 40 and that would be your answer

The amount of milk and flour (x) that he needs to make 40 cookies will be 5/2 cups.

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.

James uses 1 1/2 cups of milk and 2 1/4 cups of flour for his favorite cookie recipe. This makes 60 cookies.

The amount of milk and flour will be

⇒ 1  1/2 + 2  1/4

⇒ 3/2 + 9/4

⇒ 15/4

Then the amount of milk and flour (x) that he needs to make 40 cookies will be

x / (15/4) = 40 / 60

x = 5/2 cups

The amount of milk and flour (x) that he needs to make 40 cookies will be 5/2 cups.

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Answer:

[tex]x = \sqrt{6} [/tex]

Step-by-step explanation:

2(x^2 - 6) = - 3x^2 + 18

2x^2 - 12 = - 3x^2 + 18

5x^2 - 12 = 18

5x^2 = 30

x^2 = 6

x = square root (6)

Answer: i needed pointsss srry

Step-by-step explanation:

Answer:

3x +9 + 3x + 3x +8 = 3x + 3x + 4x + 6

9x + 17 = 10x + 6

x = 11

AB 42

BC 41

AC 33

PQ 33

QR 33

PR 50

Answer:

x = 11

Step-by-step explanation:

if the perimeters are equal then:

the perimeter of the first triangle : 3x + 9 + 3x + 3x + 8 = 9x + 17

the perimeter of the second triangle : 3x + 3x + 4x + 6 = 10x + 6 and

9x + 17 = 10x + 6 export like terms to the same side of the equation

17 - 6 = 10x - 9x

11 = x

we can find the lengths by replacing x with 11 in given expressions.

Answer:

10 feet

Step-by-step explanation:

Let the length and the age of the sea turtle be L inches and A years old respectively.

Since its length is directly proportional to its age,

L= kA, where k is an unknown constant.

Let's find the value of the constant k.

L= kA

When L= 3, A= 2,

3= k(2)

2k= 3

k= 3 ÷2

[tex]k = \frac{3}{2} [/tex]

Substitute the value of k back into the equation:

[tex]L = \frac{3}{2} A[/tex]

When A= 80,

[tex]L = \frac{3}{2} (80)[/tex]

L= 120

Length of sea turtle

= 120 inches

= (120 ÷12) feet

= 10 feet

Answer:

A line segment is 20 units long. The line segment is translated up 6 units and left 8 units. The length of the resulting line segment is 20 units because translations do not change the length.

Answer:

3

Step-by-step explanation:

The opposite of -3 is 3.

Answer:

The orange line is the actual answer because it is moving at constant velocity

Step-by-step explanation:

Answer:

x=8

Step-by-step explanation:

1.5x = 12

Divide each side by 1.5

1.5x/1.5 = 12/1.5

x =8

x = 8

Step-by-step explanation:

[tex]\begin{aligned}\tt 1.5x&=12\\\tt\frac{3}{2}x&=\tt 12\to(\times~2)\\\tt 3x&=\tt 24\\\tt x&=\tt\frac{24}{3}\\\tt x&=\tt 8\end{aligned}[/tex]

Answer:

wag na natin balikan si ex kalimutan na natin yun

Answer:

the answer is 3.14 when u solve it

Answer:

6/7 is your answer

Step-by-step explanation:

10+2+2 is 14 and that's your total number of cards. then you add the blue cards and the yellow cards to get your answer and reduce.

Answer:

x=131°

Step-by-step explanation:

180°-49°=131°

<x is corressoping to the the angle next to <49°, so if you were to move it up there, it would be a linear pair or supplmentary angles, which equal 180°.

Answer:

[tex]{ \tt{ \hookrightarrow \: 5y = 5x - 10}}[/tex]

• divide the whole equation by 5

[tex]{ \tt{ \frac{5y}{5} = \frac{5x}{5} - \frac{10}{5} }} \\ \\ { \boxed{ \rm{y = x - 2}}}[/tex]

Answer:

so here the value.

y =5 and. 10 = x

so the value of x is 10

and value of 5 is y

Answer:

y = 4x + 4

y = rise/run + y-intercept

The equation that would be used to solve the function is (x+5)^2 = 17

Given the quadratic equation -x^2 + 10x -8 = 0

This can also be written as:

-x^2 + 10x -8  = 0

x^2 - 10x + 8 = 0

x^ 2- 10x  = -8

The coefficient of x is -10

Half of the coefficient of -10 = -10/2 = -5

Square the result = 5^2 = 25

Add 25 to both sides of the equation

x^2 - 10x + 25 = -8 + 25

x^2 - 10x + 25 = 17

(x+5)^2 = 17

Hence the equation that would be used to solve the function is (x+5)^2 = 17

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Answer:

Step-by-step explanation:

Open the parenthesis:

Answer:

984 × 225 = 221400

Step-by-step explanation:

Answer:

$24.75

Step-by-step explanation:

Discount = Original Price x Discount %/100

Discount = 165 × 15/100

Discount = 165 x 0.15

You save = $24.75

Final Price = Original Price - Discount

Final Price = 165 - 24.75

Final Price = $140.25

Answer:

3 cups of milk are required for each cup of flour.

Answer:

3 cups of milk

Step-by-step explanation:

1 cup divided by a 1/2 cup is 2.

1 1/2 cups multiplied by 2 is 3 cups.

Answer:

3. -3/2

4. 3/2

5. 5/3

6. 7/3

7. -6/2 or -3

8. 7/3

Step-by-step explanation:

Rise over run. (∆Y/∆X)

Answer:

3. -3/2

4. 3/2

5. 5/3

6. 7/3

7. -6/2 or -3

8. 7/3

Step-by-step explanation:

count up then over sideway y/x