MATHEMATICS HIGH SCHOOL

Line k has a slope of 2/3. If line m is parallel to line k, then it has a slope of -2/3 -3/2 2/3

Answers

Answer 1

Answer: 2/3

Explanation;
Parallel lines have equal gradients.

Answer 2

Answer:

Answer:

2/3

Step-by-step explanation:

Hope this helps

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What is the radius of a circle with circumference 22m? Instructions: Solve Each Problem. Round to the nearest tenth, If necessary. Use 3.14

Answers

The radius of a circle: r = ?
C = 22 m
C = 2 r π
r = C /( 2 π )
r = 22 / ( 2 · 3.14 )
r = 22 / 6.28
Answer:
r = 3.5 m

Choose the two equations you would use to solve the absolute value equation below. Then solve the two equations.|2x + 5| = 3

Answers

First equation: 2x+5=3
Second equation: 2x+5=-3
Solution for first equation:
2x+5=3
subtract 5
2x=-2
divide by 2
x=-1
Solution for second equation:
2x+5=-3
subtract 5
2x=-8
divide by 2
x=-4

$Formula\ for\ absolute\ value\n\n|a|=a,\ for\ a \geq 0\n or\n|a|=-a,\ for\ a<0\n\n|2x+5|=3\n\n2x+5=3\ \ \ \ or\ \ \ \ 2x+5=-3\n\n2x=-2\ \ \ \ or\ \ \ \ 2x=-8\n\nx=-1\ \ \ \ or\ \ \ \ x=-4$

Solve photo question, please.

Answers

x>-2
any point to the right of x=-2 is a solution

y<2x+7
to find, plot 2 points by subsitution
when x=0, y=7
when x=1, y=9
plot the points (0,7) and (1,9)

the point is (-1,4)

draw a line through them
then try a point to see which side to shade on
is 0,0 in that shaded reigon?
no
shade below

look at shaded reigon

Answer:

x>-2

Step-by-step explanation:

Suppose a parabola has vertex (–4, 7) and also passes through the point (–3, 8). Write the equation of the parabola in vertex form.

Answers

The equation for a parabola can also be written in the "vertex form":
$y = a (x-h) ^ 2 + k$
Where,
the vertex of the parabola is the point (h, k).
The value of a is the term that accompanies x ^ 2
Substituting values we have:
$y = a (x - (- 4)) ^ 2 + 7$
Rewriting we have:
$y = a (x + 4) ^ 2 + 7$
For the point (-3, 8) we have:
$8 = a (-3 + 4) ^ 2 + 7$
From here, we clear the value of a:
$8 = a (1) ^ 2 + 7 8 = a + 7 a = 8 - 7 a = 1$
Then, the equation is given by:
$y = (x + 4) ^ 2 + 7$
Answer:
The equation of the parabola in vertex form is:
$y = (x + 4) ^ 2 + 7$

y=a(x-h)^2 +k
in the vertex (h, k) given that vertex (-4, 7)
we get y=(x-(-4))^2 +7
y=(x+4)^2 +7
hope it helps

Number 1 please ITS URGENT HELP PLSPLS

Answers

Answer:

The area of B is 8 cm²

Step-by-step explanation:

From the diagram, we can tell that the scale factor is 2 because the length of A is 6 cm and the length of B is 12 cm so the scale factor is 2. Since diagram A's area is 4 cm², all we need to do is multiply the diagram A's area by 2. That gives diagram B's area which is 8 cm²

Compare 1⁄2 with 3⁄4 using ( <, >, =).

Answers

1/2< 3/4
Think of it as decimals
1/2 is .50 and 3/4 is .75
Hope this Helps :)

As you can see above, 3/4 is larger than 1/4. The larger the numerator, the larger the fraction. so >

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