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ahrayia [7]
3 years ago
12

2(n+2n) what is it?i need help.

Mathematics
1 answer:
MrMuchimi3 years ago
7 0
Expand the equation which gives you
2n+4n
2n+4n=6n
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A 9-pack of coffee mugs costs $14.04. What is the unit price?
Nat2105 [25]

Answer:

\frac{14.4}{9}  = 1.6

8 0
3 years ago
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For the complex number z = 12 + i, what is Modifying above z with bar?
RoseWind [281]

Answer:

its A (12-i)

Step-by-step explanation:

got it right on edge 2020

5 0
3 years ago
Given right triangle ABC= with altitude BD drawn to hypotenuse AC. If AD=3 and, AC=27, what is the length of AB?
Kazeer [188]

Given:

In a right angle triangle ABC, altitude BD drawn to hypotenuse AC.

AD=3 and, AC=27.

To find:

The length of AB.

Solution:

Draw a figure by using the given information as shown below.

In triangle ABC and ADB,

\angle ABC\cong \angle ADB              (Right angles)

\angle BAC\cong \angle DAB              (Common angle)

\triangle ABC\sim \triangle ADB              (AA similarity postulate)

We know that the corresponding parts of congruent triangles are proportional. So,

\dfrac{AC}{AB}=\dfrac{AB}{AD}

After substituting the given values, we get

\dfrac{27}{AB}=\dfrac{AB}{3}

27\times 3=AB\times AB

81=AB^2

Taking square root on both sides, we get

\sqrt{81}=AB

9=AB

Therefore, the length of AB is 9 units.

8 0
3 years ago
(1 point) Let pp be the quartic (degree 4) polynomial that satisfies p(i)=2i,i=0,1,2,3,4. p(i)=2i,i=0,1,2,3,4. Then p(x)=p(x)= .
julia-pushkina [17]

Answer:

a = 1/3

b = -3

c = 26/3

d = -6

e = 0

Step-by-step explanation:

Given the quartic polynomial

p(x)=ax⁴+bx³+cx²+dx+e and

p(i) =2i when i=0,1,2,3,4

If i = 0:

p(0) = 2(0)

p(0) = 0

0 = 0+0+0+0+0++e

e = 0

When i = 1

p(1) = 2(1) = 2

2 = a(1)⁴+b(1)³+c(1)²+d(1)+e

2 = a+b+c+d+0

a+b+c+d = 0... (1)

When i = 2, p(2) = 2(2)

p(2) = 4

4 = a(2)⁴+b(2)³+c(2)²+d(2)+e

4 = 16a+8b+4c+2d+0

16a+8b+4c+2d = 4

8a+4b+2c+d = 2... (2)

When i = 3

p(3) = 8

8 = a(3)⁴+b(3)³+c(3)²+d(3)+0

8 = 81a+27b+9c+3d..(3)

When i = 4

p(4) =16

16 = a(4)⁴+b(4)³+c(4)²+d(4)+0

16 = 256a+64b+16c+4d

64a+16b+4c+d = 4...(4)

Solving equation 1 to 4 simultaneously.

Check the attachment for solution.

3 0
3 years ago
What’s the correct answer for this?
klasskru [66]

Answer:

75.02

Step-by-step explanation:

we need to find the height so we mark the height as (o)  since we only know the adjacent we will use tan.

So we will do tan/35 x o/100

to find o we need to multiply it

so O = 100 x tan35

O= 70.02

and we need to add the 5ft

so it will be 75.02 to the nearest decimal

8 0
3 years ago
Read 2 more answers
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