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3 years ago

How do you simplify 12 + 15 ÷ 3 × 6 – 4 step by step?

Mathematics

1 answer:

tatuchka [14]3 years ago

6 0

Seperate the questions 12+15=25 ÷ by 3×6= 18-4= the answer

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An altitude is drawn from the vertex of an isosceles triangle, forming a right angle and two congruent triangles. As a result, t

Juli2301 [7.4K]

Answer:

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Step-by-step explanation:

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3 years ago

PLEASE HELP ILL MARK BRAILIEST! A rectangle has an area of 4 square meters. The width is 1/5 meter. What is the length of the re

Lesechka [4]

Step-by-step explanation:

1/5 x 20 = 4

6 0

3 years ago

Find the solutions for a triangle with a = 16, c =12, and B = 63º.

maks197457 [2]

Answer:

b. A = 71.6°; C = 45.40°; b =15.0

Step-by-step explanation:

The missing values can be found with the help of the Law of Cosine and properties of triangles:

Side b (Law of Cosine)

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

$b = \sqrt{16^{2}+12^{2}-2\cdot (16)\cdot (12) \cdot \cos 63^{\circ}}$

$b \approx 15.022$

Angle A (Law of Cosine)

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

$\cos A = - \frac{16^{2}-15.022^{2}-12^{2}}{2\cdot (15.022)\cdot (12)}$

$\cos A = 0.315$

$A= \cos^{-1} 0.315$

$A \approx 71.639^{\circ}$

Angle C (Sum of internal angles in triangles)

$C = 180^{\circ} - 63^{\circ} - 71.639^{\circ}$

$C = 45.361^{\circ}$

Hence, the right answer is B.

6 0

3 years ago

The vertex is (4,y) because ? pls help

gulaghasi [49]

Answer:

Step-by-step explanation:

because I no and nono and y

6 0

3 years ago

If AM = x + 8 and MB= 6x – 2, find MB.

IrinaK [193]

Answer:

Step-by-step explanation:

Firstly, AM=x+8

or, A=x+8-M......eqn (i)

MB=6x-2

or, B=6x-2-M......eqn (ii)

Now,

from eqn (i) and (ii)

x+8-M=6x-2-M

or, 8+2=6x-x-M+M

or, 10=5x

or, 10÷5=x

therefore, x=2

Again,

MB=6x-2

=6×2-2

=12-2

=10

is it correct

please mark me as BRAINLIEST

8 0

2 years ago