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sineoko [7]
3 years ago
5

Plot the complex number 2 + 91 on the axes below.

Mathematics
1 answer:
Vinil7 [7]3 years ago
3 0

Answer:

d

Step-by-step explanation:

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Draw a quuck picture to solve. write the difference. 43-17 in tens and ones
Kamila [148]
It would be 26 or two sticks to represent the tens and 6 cubes to represent the ones. Hope this helps!!
6 0
4 years ago
Lisa used 10 centimeters of tape to wrap 5 presents. How many presents did Lisa wrap if she used 34 centimeters of tape? Assume
3241004551 [841]

Answer:

17 presents

Step-by-step explanation:

      5 presents = 10 cm tape

No. of presents = 34 cm  × (5 presents/10 cm)

No. of presents = 17 presents

6 0
3 years ago
The triangle and the trapezoid have the same area. Base b2 is twice the length of base b1. What are the lenghts of the bases of
Sati [7]

Answer:

<h2>The lengths of the bases of the trapezoid:</h2><h2>42/h cm and 84/h cm.</h2>

Step-by-step explanation:

The formula of an area of a triangle:

A=\dfrac{bh}{2}

<em>b</em><em> </em>- base

<em>h</em> - height

We have <em>b = 21cm, h = 6cm</em>.

Substitute:

A=\dfrac{(21)(6)}{2}=63\ cm^2

The formula of an area of a trapezoid:

A=\dfrac{b_1+b_2}{2}\cdot h

<em>b₁, b₂</em> - bases

<em>h</em><em> - </em>height

We have <em>b₁ = 2b₂</em>, therefore <em>b₁ + b₂ = 2b₂ + b₂ = 3b₂</em>.

The area of a triangle and the area of a trapezoid are the same.

Therefore

\dfrac{3b_2}{2}\cdot h=63         <em>multiply both sides by 2</em>

3b_2h=126          <em>divide both sides by 3</em>

b_2h=42         <em>divide both sides by h</em>

b_2=\dfrac{42}{h}

b_1=2b_2\to b_1=2\cdot\dfrac{42}{h}=\dfrac{84}{h}

8 0
3 years ago
Read 2 more answers
If sin theta = 4/5 and theta is in quadrant 2, the value of cot theta is
trasher [3.6K]

Answer:

Cot(theta) = - 0.75 or -3/4

Step-by-step explanation:

The hypotenuse is 5

The y value is 4

We need to find the corresponding x value.

x^2 + y^2 = z^2

X = ?

y = 4

z = 5

x^2 + 4^2 = 5^2

x^2 + 16 = 25

x^2 = 9

Now in this case, you are in quadrant 2, so the x value is - 3

sqrt(x^2) = sqrt(9)

x = - 3

The cot value is the adjacent (x value) / the opposite ( y ) value

Cot(theta) = -3/4

cot(theta) = -0.75

8 0
3 years ago
Read 2 more answers
Find the value of the question mark
pogonyaev

Answer:

<em>4.88</em>

Step-by-step explanation:

4 0
3 years ago
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