3 years ago

Can someone help me with these questions.

Mathematics

2 answers:

ivolga24 [154]3 years ago

8 0

X<_ 4
m>16
That is the answers.

ale4655 [162]3 years ago

7 0

Answer: 20. 4, 3, 2, 1...

21. 17....

Step-by-step explanation:

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In the equation 16x=128,is the value 8 a solution to this equation? Explain your reasoning by filling in the blanks.

GrogVix [38]

Answer:

yes

Step-by-step explanation:

The value 8 is the solution to the equation because plugging 8 into the equation in place of the unknown variable x like 16(8) will equal 128.

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2 years ago

How do you figure out the area of a triangle?

andrew11 [14]

General formula for area of triangle is $A=\frac{h_bb}{2}$ .

Where:

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$b$ is the length of base side of triangle.

Multiplying $h_b$ and $b$ results in rectangle, dividing that by 2 gives you area of a triangle.

Hope this helps.

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3 years ago

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zhannawk [14.2K]

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3 years ago

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GaryK [48]

Answer:

-1

Step-by-step explanation:

1+13=14

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3 years ago

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In triangle ABC, AB = 11 cm, BC = 9 cm and CA = 10 cm. Find the area of triangle ABC.

max2010maxim [7]

Answer:

Area = 42.43 square cm

Step-by-step explanation:

Using Heron's Formula :

$Area = \sqrt{s\times (s-a) \times (s-b) \times(s -c)} \ , \ where \ s \ =\ \frac{a+ b+ c}{2}$

Find Area :

$s = \frac{11 + 9 + 10 }{2} = \frac{30}{2} = 15$

$Area = \sqrt{15 \times ( 15 - 11 ) \times { (15 - 9 ) \times ( 15 -10)}\\\\$

$= \sqrt{15 \times 4 \times 6 \times 5}\\\\=\sqrt{1800}$

$= 42 . 43 \ cm^2$

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2 years ago