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Alinara [238K]
3 years ago
7

H. 15% of 80 is what number?

Mathematics
2 answers:
vichka [17]3 years ago
5 0

Answer:

12

Step-by-step explanation:

umka21 [38]3 years ago
4 0

\text{Find 15\% of 80}\\\\\text{To find this, multiply 80 by 0.15}\\\\80\cdot0.15=12\\\\\boxed{12}

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Georgia spent 150 minutes on her Maths homework last week.
vladimir2022 [97]

Answer:

last week = 150 minutes

this week = 162 minutes

changes = 162-150

= 12 minutes

percentage of changes = (12/150) × 100

= 8%

6 0
3 years ago
Arturo, Pedro y Jorge son hermanos y duermen en la misma habitación. Su padre compró pintura para que entre los tres pinten su c
mr Goodwill [35]

Answer:

Tanto Pedro como Jorge deberán pintar 1/4 de la habitación cada uno.

Step-by-step explanation:

Dado que el cuarto entero es igual a 1, y que Arturo por ser el mayor de los hermanos tiene que pintar 1/2 de él, la parte que falta pintar es igual a 1/2 restante.

De ese 1/2, los hermanos menores, Pedro y Jorge, deben pintar dicha fracción en partes iguales. Por lo tanto, dado que (1/2) / 2 es igual a 1/4, la fracción que tanto Pedro como Jorge deberán pintar es de 1/4 de la habitación.

4 0
3 years ago
Read 2 more answers
A line passes through the points (–3, –4) and (6, 2). What number is the x-intercept?
LuckyWell [14K]

Answer:

<h2>D. 3</h2>

Step-by-step explanation:

\bold{METHOD\ 1}

\text{The formula of a slope:}\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\text{x-intercept:}\ (x,\ 0).\\\\\text{Susbtitute the coordinates of the points to the formula of a slope}\\\\(-3,\ -4),\ (6,\ 2),\ (x,\ 0):\\\\m=\dfrac{2-(-4)}{6-(-3)}=\dfrac{2+4}{6+3}=\dfrac{6}{9}=\dfrac{6:3}{9:3}=\dfrac{2}{3}\\\\m=\dfrac{0-2}{x-6}=\dfrac{-2}{x-6}\\\\\text{Therefore we have the equation:}\\\\\dfrac{-2}{x-6}=\dfrac{2}{3}\qquad\text{cross multiply}\\\\2(x-6)=(-2)(3)\\\\2(x-6)=-6\qquad\text{divide both sides by 2}\\\\x-6=-3\qquad\text{add 6 to both sides}\\\\x=3

\bold{METHOD\ 2}\\\\\text{Look at the picture.}

Mark points in the coordinate system.

Lead a line through these points.

Read x-intercept.

5 0
2 years ago
Read 2 more answers
How many 1/3 are in 3/4
maksim [4K]
3 i believe.because well 3 yeah
8 0
3 years ago
Read 2 more answers
Find the length of the hypotenuse of a right triangle whose legs are 5 and √2.
Blizzard [7]

Answer:

\sqrt{27}

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

let h represent the hypotenuse, then

h² = 5² + (\sqrt{2} )² = 25 + 2 = 27 ( take the square root of both sides )

h = \sqrt{27} ← exact value

6 0
3 years ago
Read 2 more answers
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