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3 years ago

With the trend on this scatter plot, how old would someone be who spends 50 minutes on homework per day?

Mathematics

2 answers:

devlian [24]3 years ago

5 0

I believe from looking at the scatter plot that the answer would be D. 14 years old

Pavel [41]3 years ago

4 0

If you are spend in t 50 minutes on homework your most likely 14 because of stats so your answer choice would be D.

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3 years ago

Sean b= 5,79; c= 10,4,el angulo A= 54,46°, el angulo C mide ?

Rzqust [24]

Answer:

$C \approx 91.732^{\circ}$

Step-by-step explanation:

(This exercise is presented in Spanish and for that reason explanation will be held in such language)

El lado restante se determina por la Ley del Coseno:

$a = \sqrt{b^{2}+c^{2}-2\cdot b\cdot c \cdot \cos A}$

$a = \sqrt{5.79^{2}+10.4^{2}-2\cdot (5.79)\cdot (10.4)\cdot \cos 54.46^{\circ}}$

$a \approx 8.466$

Finalmente, el angulo C se halla por medio de la misma ley:

$\cos C = - \frac{c^{2}-a^{2}-b^{2}}{2\cdot a \cdot b}$

$\cos C = -\frac{10.4^{2}-8.466^{2}-5.79^{2}}{2\cdot (8.466)\cdot (5.79)}$

$\cos C = -0.030$

$C \approx 91.732^{\circ}$

3 0

3 years ago

Classify each number below as a rational number or an irrational number. rational irrational

Vadim26 [7]

Rational
Irrational
Rational
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6 0

3 years ago

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Quadrilateral ABCD has coordinates A (3,5), B (5,2), C (8,4), D (6, 7).

siniylev [52]

Answer:

B. Square, because all four sides are congruent and adjacent sides are perpendicular

Step-by-step explanation:

A graph of your figure is below.

The figure is a square because

All four sides are congruent
Adjacent sides are perpendicular.

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3 years ago

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Fifteen times the square of a non-zero number is equal to 12 times the number. whats the number?

Fofino [41]

15x^2 = 12x
divide each side by x
15x = 12
now divide each side by 15
x = 12/15 or 4/5 which is also 0.8

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3 years ago