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raketka [301]
3 years ago
10

1. 8x + 5 and 10x-3 Simplify the expression

Mathematics
2 answers:
V125BC [204]3 years ago
6 0

Answer:

x=4

Step-by-step explanation:

8x+5=10x-3

    +3.      +3

8x+8=10x

-8.      -8

8=2x

/2. /2

x=4

malfutka [58]3 years ago
3 0
Answer Simplified: x=4

Have a Good Day! I make your answers simple
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Please help me solve this
seropon [69]

9514 1404 393

Answer:

  103°

Step-by-step explanation:

The law of sines tells you ...

  sin(C)/c = sin(A)/a

  sin(C) = (c/a)sin(A)

  C = arcsin(c/a·sin(A)) = arcsin(37/19·sin(30°)) ≈ 180° -76.8° ≈ 103°

Obtuse angle C is about 103°.

5 0
3 years ago
1. Using the slope-intercept form of a line, find the equation of the line with slope and y-intercept –2. Then graph the line on
solmaris [256]
To find the x-intercept, throw in 0 for y:



So the x-intercept is (2,0).

To find the y-intercept, throw in 0 for x:



So the y-intercept is .
8 0
3 years ago
Is this equation linear: 2x+5xy-3=0
Lina20 [59]

What is linear equation?

An equation between two variables that gives a straight line when plotted on a graph.

2x + 5xy - 3 = 0

x (2 + 5y) -3 = 0

x ( 2 + 5y ) = 3

2 + 5y = 3 / x

5y = (3/x) - 2

y = ( (3/x) - 2) / 5

According to the graph i don't think it's a linear equation.

3 0
3 years ago
Emilio throws a marshmallow into the air from his balcony. The height of the marshmallow (in feet) is represented by the equatio
Reika [66]

Answer:

The maximum height of the marshmallow is 49 feet.

Step-by-step explanation:

The vertex form of a parabola is

y=a(x-h)^2+k           .... (1)

Where, (h,k) is vertex of the parabola is a is constant.

The given function is

h=-16(t-14)^2+49              ..... (2)

Where, h is height of the marshmallow (in feet) and t is the time (in seconds) after he throws the marshmallow.

From equation (1) and (2), we get

a=-16,h=14,k=49

The value of a is -16, which is less than 0. So, the given function is a downward parabola.

The vertex of a downward parabola is the point of maxima.

The value of h is 14 and the value of k is 49. So, the vertex of the parabola is (14,49). It means the maximum height of the marshmallow is 49 feet in 14 seconds.

Therefore the maximum height of the marshmallow is 49 feet.

7 0
4 years ago
Order the following expressions by their values from least to greatest.<br> Please help me!
kolezko [41]

Answer:

L, K, J

Step-by-step explanation:

hope this helps :)

3 0
3 years ago
Read 2 more answers
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