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Anna007 [38]
2 years ago
6

Solve:...PLS DON SPAM

Mathematics
1 answer:
MrRissso [65]2 years ago
7 0
4
)
10(x+6)+8(x−3)=5(5x−4)

2 Expand.
10
x
+
60
+
8
x
−
24
=
25
x
−
20
10x+60+8x−24=25x−20

3 Simplify
10
x
+
60
+
8
x
−
24
10x+60+8x−24 to
18
x
+
36
18x+36.
18
x
+
36
=
25
x
−
20
18x+36=25x−20

4 Subtract
18
x
18x from both sides.
36
=
25
x
−
20
−
18
x
36=25x−20−18x

5 Simplify
25
x
−
20
−
18
x
25x−20−18x to
7
x
−
20
7x−20.
36
=
7
x
−
20
36=7x−20

6 Add
20
20 to both sides.
36
+
20
=
7
x
36+20=7x

7 Simplify
36
+
20
36+20 to
56
56.
56
=
7
x
56=7x

8 Divide both sides by
7
7.
56
7
=
x
7
56
​
=x

9 Simplify
56
7
7
56
​
to
8
8.
8
=
x
8=x

10 Switch sides.
x
=
8
x=8


Your answer is

X=8
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The diameter of circle P has endpoints A(-1, 5) and B(4, -3). Use the midpoint formula to find the coordinates of the center of
ICE Princess25 [194]

Answer: P ( 3/2, - 1 )

Step-by-step explanation: the formulae that defines the midpoint of a line is given below as

x = (x2 + x1)/2 and y = (y2 + y1)/2

Where x and y are the coordinates of the mid point.

Point A is (-1, 5) hence x1 = - 1 and y1 = 5

Point B is (4, -3) hence x2= 4 and y2 = - 3

For x coordinate, we have that 4 + (-1)/2 = 4 - 1/ 2 = 3/2

For y coordinate, we have that - 3 + 5 / 2 = - 2/2 = - 1

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4 0
3 years ago
The graph represents a quadratic function. Write the function in vertex form.
Luba_88 [7]

Answer:

y=3(x+3)^2-8

Step-by-step explanation:

Vertex form:

y=a(x-h)^2+k

h=-3, k=-8

y=a(x+3)^2-8

sub (-4,-5)

-5=a(-4+3)^2-8

a=3

y=3(x+3)^2-8

8 0
3 years ago
Length of QM=???????
pogonyaev

Answer:

QM = 7 cm

Step-by-step explanation:

Tangents to a circle from an external point are congruent.

The perimeter (P) is the sum of the sides of the triangle, that is

PL + LQ + QM + MR + RN + NP = 42

6 + LQ + QM + 8 + 8 + 6 = 42

LQ + QM + 28 = 42 ( subtract 28 from both sides )

LQ + QM = 14

Since LQ = QM , then

QM = 7

6 0
2 years ago
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