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mina [271]
3 years ago
6

Combine like terms to create an equivalent expression. -1/2(-3y+10)

Mathematics
2 answers:
ivanzaharov [21]3 years ago
6 0

Answer:

3/2y - 5

Step-by-step explanation:

To do this question, we will need to use the distributive property. Multiplying the number outside of the terms in the parenthesis gives us:

-1/2(-3y+10) --> 3/2y - 5

andrew-mc [135]3 years ago
5 0

Answer:

3/2y -5

Step-by-step explanation:

-1/2 (-3y+10)

Distribute

-1/2* -3y + -1/2*10

3/2y -5

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(4 - x)(3+ 2x) = .................... ​
Norma-Jean [14]

Answer:

-2x^2+5x+12

Step-by-step explanation:

(4-x)(3+2x)

12-3x+8x-2x^2

12+5x-2x^2

-2x^2+5x+12

8 0
2 years ago
Suppose that a cyclist began a 364 mi ride across a state at the western edge of the​ state, at the same time that a car traveli
maw [93]
The car's average rate  is 43.7 mph. The bicycle's average rate is 12.3 mph.

To get this solution, let the bicycle's average rate be (x) and the car's average rate be (x + 31.4) mph. 

Distance= Speed x Time
364 = (x + x + 31.4) 6.5
364 = (2x + 31.4) 6.5
364/6.5 = 2x + 31.4
56 = 2x + 31.4
56 - 31.4 = 2x
24.6 = 2x
24.6/2 = x
12.3 = x

x = 12.3 mph     
x+31.4 = 43.7 mph
6 0
3 years ago
A parabola can be drawn given a focus of (0,−6) and a directrix of y=−2. Write the equation of the parabola in any form.
topjm [15]

Answer:

y = x^2 - 4

Step-by-step explanation:

The vertex of a parabola is exactly halfway between the focus and the directrix.  If the focus is at (0, -6) and the directrix is the line y = -2, then we do this to locate the vertex:  Draw a vertical line through (0, -6) also crossing the line y = -2.  The y value halfway between y = -6 and y = -2 is y = -4, and the vertex is thus (0, -4).

Using the vertex method, write out the equation of this parabola, starting with the general form y - k = (x-h)^2, where (h, k) is the vertex.  Here h = 0 and k = -4

We get:  y + 4 = (x - 0)^2, or y + 4 = x^2, or y = x^2 - 4.  As a check, let x = 0; y = -4, which is the y-coordinate of the vertex.

7 0
3 years ago
un propietario pide 8000 para pagar un proyecto de remodelación de una cocina los términos del préstamo son de 9.2% de interés a
laila [671]

Answer:

El propietario pagará una tasa de interés de 1472 € (736x2 años)

Step-by-step explanation:

8000 / 100 x 9.2 = 736€

736 x 2 = 1472 :)

7 0
2 years ago
Need help with geometry question
shtirl [24]
Answer:
X=17
Angle K=110 degrees
Angle L= 70 degrees
Angle M= 110 degrees
Angle N= 70 degrees


Explanation:
6x + 8 + 2x +36=180
8x + 44= 180
8x = 136
X = 17

6(17)+8
102+8
110

2(17)+ 36
34+36
70

110 + ? =180
180-110= 70

70 + ?=180
180-70=110
5 0
2 years ago
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