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Lerok [7]
2 years ago
5

How do you solve for x?

Mathematics
1 answer:
den301095 [7]2 years ago
3 0
What? can u show a pic of the question
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5 ( x + 10 ) = 30 solve for x
Vlada [557]

Answer:

x = -4

Step-by-step explanation:

Give Me brainllest

5 0
2 years ago
Read 2 more answers
Rashid is paid by the hour. He earned $50 for a 4-hour workday. How much does he earn for a 5 1/2- hours work day
Tom [10]
<span>Use a proportion:
x/(5 1/2) = 50/4
--------
x = (11/2)(50/4)

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x = 550/8
----
x = $68.75</span>
5 0
2 years ago
29. Which of the following expressions will result in a real answer after being simplified? Select all that apply.
nexus9112 [7]

Answer: A, B, C, and E

Step-by-step explanation:

If both sides are real numbers, then the product will be a real number.

If in at least one of the sides we have a complex number, then the product will be real if:

The other number is zero.

The other number is the conjugate of the first.

This is when:

Suppose we have a number:

z = a + b*i

The conjugate will be:

w = a - b*i

And the product between them is:

(a + b*i)*(a - b*i) = a^2 + a*b*i - a*b*i + b^2 = a^2 + b^2

Then the options that will have a real answer are:

A. (4+5i)(4-5i) = 4^2 + 5^2 = 16 + 25 = 41

B. (4 + 91)*(41 - 9) = 3040

C. (3 + 2*i)*(3 -2*i) = 3^2 + 2^2 = 9 + 4 = 13

E. (312 + 7i)*(312 - 7i) = 312^2 + 7^2 = 97,393

5 0
2 years ago
A lawyer drives from her home, located 3 miles east and 5 miles north of the town courthouse, to her office, located 6 miles wes
vekshin1
This is more of a physics question. Basically you have to separate all the given values into x- and y- coordinates. You are given the home (3 miles East)(5 miles up), so the 3 miles would be on the x axis and the 6 miles on the 6 axis

Given that, you can determine the total displacement of the house from the town using Pythagorean’s theorem. You then do the same with the office and then add your 2 resultant answers together.

The home will be square root 34 miles away from the town, and the office will be square root 85 miles. Adding these together, the answer would be

15,05 miles
Meaning that the lawyers home is 15,05 miles from her office (home to office would be in a south western direction)
5 0
3 years ago
Ax + By = -C solve for x
RoseWind [281]

Answer:

C=−Ax−By

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

3 0
2 years ago
Read 2 more answers
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