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3 years ago

56 - 75^-12 =

Mathematics

2 answers:

skad [1K]3 years ago

8 0

Answer:

Step-by-step explanation:

56 - 75^-12 = x

56 - 3.156929179 × 10^-13 = x

56 = x

lana [24]3 years ago

5 0

Its you will be found and the equation answer is 56

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Help me with this pls

masha68 [24]

Answer:

x=65

Step-by-step explanation:

90 degree angle

90-25= 65

8 0

3 years ago

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Determine if the two triangles are congruent. If they are, state how you know.

blondinia [14]

All are congruent. Congruent means identical in size or shape. the different markings on the two shapes show that they are congruent. I can’t fully see number 10 so I can’t say it that one is or not

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3 years ago

Identify the sequence graphed below and the average rate of change from n = 1 to n = 3. coordinate plane showing the point 1, 8,

jeyben [28]

Answer:

Sequence : $a_n=8(\frac{1}{2})^{n-1}$

Rate of change : -3

Step-by-step explanation:

It is given that the sequence represents by the points (1,8), (2,4), (4,1) and (5,0.5).

We know that the $a_n=k$ represent the point (n,k). So, we have

$a_1=8,a_2=4,a_4=1,a_5=0.5$

$\frac{a_2}{a_1}=\frac{4}{8}=\frac{1}{2}$

$\frac{a_5}{a_4}=\frac{0.5}{1}=\frac{1}{2}$

It is clear that the above sequence is a geometric sequence because it has common ratio $\frac{1}{2}$ .

First term : $a=8$

Common ratio : $r=\frac{1}{2}$

The nth term of a G.P. is

$a_n=ar^{n-1}$

$a_n=8(\frac{1}{2})^{n-1}$

Therefore, the required sequence is $a_n=8(\frac{1}{2})^{n-1}$ .

We need to find the average rate of change from n = 1 to n = 3.

$a_3=8(\frac{1}{2})^{3-1}=2$

$Slope=\dfrac{a_3-a_1}{3-1}$

$Slope=\dfrac{2-8}{2}$

$Slope=\dfrac{-6}{2}$

$Slope=-3$

Therefore, the average rate of change from n = 1 to n = 3 is -3.

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4 years ago

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topjm [15]

Answer:

x + 90 = 120

Step-by-step explanation:

the marked angles are vertically opposite angles and are congruent , then

4x = x + 90 ( subtract x from both sides )

3x = 90 ( divide both sides by 3 )

x = 30

then

x + 90 = 30 + 90 = 120

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2 years ago

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Which of the following is the fourth step in copying an angle?

cluponka [151]

Im pretty sure its B

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3 years ago