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Finger [1]
3 years ago
8

Write -4i+(1/4-5i)-(-3/4+8i)+17i as a complex number in the standard form

Mathematics
1 answer:
Ann [662]3 years ago
8 0

Answer:

  1

Step-by-step explanation:

Eliminate parentheses using the distributive property.

  = -4i +1/4 -5i +3/4 -8i +17i

  = (1/4 +3/4) +i(-4 -5 -8 +17)

  = 1 + 0i

  = 1

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A bake sale has 3 cakes for sale. Each cake was cut into 4 slices. Each slice was sold for $9. What was the total amount earned
Vaselesa [24]
Answer: Total amount is 108 because 9 times 4 is 36. So 36+36+36=108
6 0
3 years ago
A triangle has two side lenths of 1 and 16 what is the largest possible whole-number length of the third side?
Afina-wow [57]

Answer:

16

Step-by-step explanation:

Given that:

Length of two sides of the triangle = 1 and 16 ;

The largest possible whole-number length of the third side would be ;

Recall from triangle inequality theorem; the length of any two sides of a triangle is greater than the third side. Therefore. The largest possible whole number value the third side could have is:

Assume the third side is the largest :

Then, the third side must be less than the sum of the other two sides ;

Third side < (16 + 1)

Third side < 17

Therefore, the closest whole number lesser than the sum of the other two sides is (17 - 1) = 16

6 0
3 years ago
The little Mexican restaurant sells only two kinds of beef burritos mucho beef sandwich Lucho beef last week the restaurant orde
Finger [1]

Answer:

Cost of a single Mucho beef burrito: \$5.5

Cost of a double Mucho beef burrito: \$6.5

Step-by-step explanation:

<h3> The exercise is: "The Little Mexican restaurant sells only two kinds of beef burritos: Mucho beef and Mucho Mucho beef. Last week in the restaurant sold 16 orders of the single Mucho variety and 22 orders of the double Mucho. If the restaurant sold $231 Worth of beef burritos last week and the single neutral kind cost $1 Less than the double Mucho, how much did each type of burrito cost?"</h3>

Let be "x" the the cost in dollars of a single Mucho beef burrito and "y" the cost in dollars of a double Mucho burrito.

Set a system of equations:

\left \{ {{16x+22y=231} \atop {x=y-1}} \right.

To solve this system you can apply the Substitution Method:

1. Substitute the second equation into the first equation and solve for "y":

16(y-1)+22y=231\\\\16y-16+22y=231\\\\38y=231+16\\\\y=\frac{247}{38}\\\\y=6.5

2. Substitute the value of "y" into the second equation and evaluate in order to find the value of "x":

x=6.5-1\\\\x=5.5

5 0
3 years ago
Can someone help pls?
stira [4]

You have in total 5 pets and you have $22.00 To spend what you do is divide . Like this  

6 0
3 years ago
Read 2 more answers
18 is 240% of what? basic percent equation ...?
pshichka [43]
18 = (240/100) x what;
what = 18 x (100/240);
what = 1800/240;
what = 7.5;
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3 years ago
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