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joja [24]
3 years ago
12

Explain in words how to find -4 times -1.5 on a number line in words

Mathematics
1 answer:
borishaifa [10]3 years ago
5 0
Since both numbers are negative we know that the product will be positive and when something is time 1.5 that is the same as a 50% increase so that is adding half of the original number (4) so the final answer is 6 (4+(half of 4))=6
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Geometry help please!!
Nostrana [21]

Answer: 13

Step-by-step explanation:

Equilateral triangle means that all sides are equal

Soo

3x + 1 must be equal to 5x - 9

3x + 1 = 5x - 9

-2x = -10

x = 5

Substitute x as 5 into either side value

3(5) + 1 = 15 + 1 = 16

So, all sides equal 16

Which means that y + 3 also equals 16

y + 3 = 16

y = 13

7 0
2 years ago
How do you solve this problem? population proportion is to be estimated from a sample of 400 with a sample proportion of 0.1. Ap
Ivan

Answer:

(0.0706, 0.1294)

Step-by-step explanation:

Confidence interval of a proportion is:

CI = p ± CV × SE

where p is the proportion,

CV is the critical value (z score or t score),

and SE is the standard error.

The sample is large enough to estimate as normal.  For 95% confidence level, CV = z = 1.96.

Standard error for a proportion is:

SE = √(pq/n)

SE = √(0.1 × 0.9 / 400)

SE = 0.015

The confidence interval is:

CI = 0.1 ± (1.96)(0.015)

CI = (0.0706, 0.1294)

Round as needed.

6 0
3 years ago
El contratista encargado de construir el
andrezito [222]

El perímetro del lote tiene una medida de 130 · p - 12 unidades.

<h3>¿Cuál es la longitud del cerco perimetral para un lote?</h3>

El perímetro es la suma de las longitudes de los lados de una figura, un rectángulo tiene cuatro lados, dos pares de lados iguales. En consecuencia, el perímetro del lote es el siguiente:

s = 2 · w + 2 · l

Donde:

  • w - Ancho del lote.
  • l - Largo del lote.
  • s - Perímetro del lote.

Si sabemos que w = 25 · p - 8 y l = 40 · p + 2, entonces el perímetro del lote es:

s = 2 · (25 · p - 8) + 2 · (40 · p + 2)

s = 50 · p - 16 + 80 · p + 4

s = 130 · p - 12

El perímetro tiene una medida de 130 · p - 12 unidades.

<h3>Observación</h3>

No se ha podido encontrar una figura o imagen asociada al enunciado del problema. Sin embargo, se puede inferir que el lote tiene una forma rectangular debido a las medidas utilizadas. En consecuencia, asumimos que la medida del ancho es igual a 25 · p - 8 unidades y del largo es igual a 40 · p + 2 unidades.

Para aprender más sobre perímetros: brainly.com/question/17127243

#SPJ1

7 0
1 year ago
The perimeter of a rectangular garden is 50 feet. Its width is 10 feet. What is the length of the garden?
luda_lava [24]

Hey there! The equation for perimeter is 2L x 2W, or L + L + W + W.

If P is 50, and it's W is 10, then we can do 2(10) + 2L = 50. This, simplified, becomes 20 + 2L = 50. Subtract 20 on both sides, and you're left with 30.

The equation now becomes 2L = 30. Divide both sides by 2, and you're left with L = 15.

4 0
3 years ago
The two lines graphed on the coordinate grid each represent an equation. Which ordered pair represents a solution to both equati
IrinaVladis [17]

Answer:

(4,-3)

Step-by-step explanation:

The intersection of the 2 lines is the solution of the system of equations. The lines intersect at the point (4,-3), so that ordered pair is the solution.

8 0
3 years ago
Read 2 more answers
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