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qwelly [4]
3 years ago
14

Assuming z is positive, which of the following is equivalent to the expression (z3−−√7)8?

Mathematics
1 answer:
andreev551 [17]3 years ago
4 0

Answer:

b

Step-by-step explanation:

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In which number does the 5 have a value that is 1/10 the value of the 36253 in ?
Ostrovityanka [42]

Answer:

7250.2 i think

Step-by-step explanation:

Finding 110 of a number is the same as dividing it by 10 . To find a tenth of something simply multiply it by 110 and then simplify.

4 0
2 years ago
Help ill give brainiest <3 dont guess
Marizza181 [45]

Answer:

rectangular prism, 6 faces, 8 vertices

5 0
2 years ago
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42 of the 150 employees at Carlo's Car Repair wear contact lenses. What percent of the employees wear contact lenses?
antiseptic1488 [7]
\frac{42}{150} ÷ 2 = \frac{21}{75}

\frac{21}{75} ÷ 3 = \frac{7}{25}

\frac{42}{150}= \frac{7}{25}

Then, divide 7 by 25 because 25 is the divisor

7 ÷ 25 = 0.28

28% is the answer (:
6 0
3 years ago
I need help please
julsineya [31]

Answer:

-2x = 4 4 + -2x

Step-by-step explanation:

-4x - 2x 2x - 4x

7 0
3 years ago
Determine the points of intersection of the line y=2x+5 and the circle x²+y²=36
Vladimir79 [104]

The two intersection points are (-2.79,  -0.58) and (0.79,  6.58).

<h3>How to find the points of intersection?</h3>

Here we want to solve the system of equations:

y = 2x + 5

x² + y² = 36

To solve this, we need to replace the first equation into the second one:

x² + (2x + 5)² = 36

Now we can solve this for x:

x² + 4x² + 10x + 25 = 36

5x² + 10x - 11 = 0

This is a quadratic equation, to solve it we use the general formula:

x = \frac{-10 \pm \sqrt{10^2 - 4*5*(-11)} }{2*5} \\\\x = \frac{-10 \pm 17.9 }{10}

So we have two solutions for x:

x = (-10 - 17.9)/10 = -2.79

x = (-10 + 17.9)/10 = 0.79

To get the y-values of the solutions, we evaluate the linear equation in these values of x:

y = 2*(-2.79) + 5 = -0.58

y = 2*( 0.79) + 5 = 6.58

Then the two intersection points are (-2.79,  -0.58) and (0.79,  6.58).

If you want to learn more about intersection points:

brainly.com/question/17206319

#SPJ1

5 0
2 years ago
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