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Ulleksa [173]
3 years ago
11

In a class of 23 students, 6 are female and 12 have an A in the class. There are 4

Mathematics
2 answers:
Goshia [24]3 years ago
7 0

Answer:

12.............................. answer

IrinaVladis [17]3 years ago
6 0

Answer:

\frac{6}{23}

Step-by-step explanation:

simple

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Type The missing number that makes these fractions equal: 4/?=2/8
natka813 [3]

Answer:

16

Step-by-step explanation:

2/8 is = to 1/4

4/16 is = to 1/4

GIVE ME BRAINLIESTTTTT

4 0
3 years ago
Brandon is paid 150% of his regular hourly rate for overtime hours. He is paid \$45.00 an hour for overtime hoursWhat is his reg
Ne4ueva [31]

Answer:

Regular hourly rate for Brandon is $30

Step-by-step explanation:

Let the payment for regular hours be $x

given that

Brandon is paid 150% of his regular hourly rate for overtime hours

payment for overtime hours = 150% of payment for regular hours

payment for overtime hours = 150/100 * x = 3x/2

Given that He is paid \$45.00 an hour for overtime hours

thus,

3x/2 = 45

=> x = 45*2/3 = 30

Thus,  regular hourly rate for Brandon is $30

3 0
3 years ago
the variable Z1 and Z2 are defined as z1 equals 6i+3i and z2 equals 10 + 8i which expression is equivalent to Z1Z2
Alexxx [7]
If you multiply the two numbers, you will have 36 + 78i.
*I assumed you had a typo in the first expression, it is generally written as 6 + 3i. If you meant, 6i + 3i, it should have been just 9i.

To find this product, we use the foil method.

(6 + 3i)(10 + 8i)
60 + 48i + 30i + 24i^2
60 + 78i + 24(-1)
34 + 78i
8 0
3 years ago
Let 3z=(2w-5)^3. If dw/dt =1/3, find dz/dt when z=9
jekas [21]

3<em>z</em> = (2<em>w</em> - 5)³

When <em>z</em> = 9, we have

27 = (2<em>w</em> - 5)³   →   3 = 2<em>w</em> - 5   →   <em>w</em> = 4

Differentiate both sides with respect to <em>t</em> :

3 d<em>z</em>/d<em>t</em> = 3 (2<em>w</em> - 5)² d<em>w</em>/d<em>t</em>

d<em>z</em>/d<em>t</em> = (2<em>w</em> - 5)² d<em>w</em>/d<em>t</em>

Plug in everything you know and solve for d<em>z</em>/d<em>t</em> :

d<em>z</em>/d<em>t</em> = 3² • (1/3)

d<em>z</em>/d<em>t</em> = 3

5 0
3 years ago
Determine the type and number of solutions of 4x^2-5x+1=0
MA_775_DIABLO [31]

4x^2-5x=-1

\sqrt{4x^2-5x} = \sqrt{-1}4x^2-5x+1=0

4x+2.24x=1

6.24x=1

x= 0.16025641025641025641025641025641


7 0
3 years ago
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