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3 years ago

Find the area of the trapezoid

Mathematics

1 answer:

Vladimir79 [104]3 years ago

7 0

Area = 1/2 x (a+b) x h

= 1/2 x ( 5+ 13) x 17
=1/2 x 18 x 17
= 153cm. (a and b are the two parallel lines. H is height.)

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Eight greater than twice the number

Lady_Fox [76]

X times 2 plus 8 (hope this helps cuz I don't know what it asking)

Step-by-step explanation:

X times 2 plus 8

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3 years ago

Choose either yes or no to tell if each of the following represents 0.87.

enot [183]

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3 years ago

A complex number z_1z 1 z, start subscript, 1, end subscript has a magnitude |z_1|=6∣z 1 ∣=6vertical bar, z, start subscript

aliina [53]

Answer:

The answer is " $\bold{9.19- 9.19\ i}$ "

Step-by-step explanation:

When the value of $z_1$ has the following properties:

$\to |z_1| =13$

$\theta = 315^{\circ} \\\\ = 1.75 \pi\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ _{where} \ \ (\pi = 180^{\circ})$

Calculating the value of $z_1$ :

$= 13 \times [ \cos(1.75 \pi ) + i \sin(1.75 \pi) ] \\\\= 13 \times[\cos(1.75 \pi - 2\pi ) + \ i \sin(1.75 \pi - 2\pi )]\\ \\= 13 \times [\cos(-0.25 \pi ) +\ i \sin(-0.25 \pi) ]\\\\= 13 \times [0.707106781 - 0.707106781]\\\\ =9.19 - 9.19\ i \\\\$

3 0

3 years ago

The table below represents a function. Which of the following equations could be its function rule? x y 0 0 1 -3 3 -9 -2 6 y = y

alexandr1967 [171]

Answer:

y=-3x

Step-by-step explanation:

6 0

3 years ago

A company wants to select 1 project from a set of 4 possible projects. Which of the following constraints ensures that only 1 wi

Elza [17]

Given:

A company wants to select 1 project from a set of 4 possible projects.

Consider the options are:

a. $X_1+X_2+X_3+X_4=1$

b. $X_1+X_2+X_3+X_4\leq 1$

c. $X_1+X_2+X_3+X_4\geq 1$

d. $X_1+X_2+X_3+X_4\geq 0$

To find:

The constraints that ensures only 1 will be selected.

Solution:

It is given that the company wants to select 1 project from a set of 4 possible projects. It means the sum of selected projects must be equal to 1.

$X_1+X_2+X_3+X_4=1$

Therefore, the correct option is (a).

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3 years ago