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3 years ago

Just trying to get through this test I would really appreciate some help

Mathematics

1 answer:

jeka943 years ago

8 0

Answer:

its D

Step-by-step explanation:

because if you look it say because how many charms it have is how much it cost

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Question 13(Multiple Choice Worth 1 points) (8.03 LC) A set of equations is given below: Equation C: y = 7x + 12 Equation D: y =

Vlad [161]

Answer: I believe it would be no solution

Step-by-step explanation

3 0

3 years ago

Write the equation of the parabola in vertex form. Vertex (2,1), point (3, -4)

Ket [755]

Answer:

U=1-5(x-2)^2

Step-by-step explanation:

The equation of the parabola with vertex (h,k) is y=a(−h+x)2+k

Thus, the equation of the parabola is y=a(x−2)2+1

To find a, use the fact that the parabola passes through the point (3,−4): −4=a+1

Solving this equation, we get that a=−5

Thus, the equation of the parabola is y=1−5(x−2)^2

6 0

4 years ago

Which graph shows a system of equations with no solutions?

podryga [215]

Graph of Parallel lines shows a system of equations with no solutions

Step-by-step explanation:

Consider a set of equations

$7x - 2y = 16\\21x + 6y =24$

If we solve this both equations using any one of the solving method, (Substitution method) then we will get

$7x-2y=16\\7x=16+2y\\x=\frac{16+2y}{7}$

substituting the following x in 2nd equation (21x + 6y = 24) We get

$21(\frac{16+2y}{7} )+6y=24\\3(16+2y)+6y=24\\48+6y+6y=24\\12y=24-48\\y=-\frac{24}{12} \\y=-2$

Put y= -2 in x equation

$x=\frac{16+2(-2)}{7}\\ x=\frac{16-4}{7}\\\x=\frac{12}{7} \\x=1.71$

Comparing these (x,y) values we can understand that they never meet at a point

4 0

3 years ago

70% of a school budget is spent on teachers, 10% on other staff, and the rest on energy and resources. A Write the ratio of the

Vesna [10]

A) 70:10:20 = 7:1:2
b) 20/100 = 2/10 = 1/5

7 0

3 years ago

PLZ ANSWER! ILL GIVE YOU BRAINIEST IF YOU ANSWER IN 2

V125BC [204]

Answer:

-4;-4

Step-by-step explanation:

these would be the coords because each of the lines represents 2 units

6 0

3 years ago