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Bezzdna [24]
3 years ago
13

Someone help it’s urgentttt.

Mathematics
1 answer:
Molodets [167]3 years ago
4 0

Answer:

Step-by-step explanation:

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In a certain class 40% of students are girls and 20% of the girls wear glasses what percent of the children in the class a girl
Zielflug [23.3K]
Okay. 
40/100 students are girls.
20% of those 40 girls wear glasses. 
So that's 20/40.
20/100
4 0
3 years ago
Write each expression as an equivalent expression with a single logarithm. Assume xx, yy, and zz are positive real
Alekssandra [29.7K]

Answer:

\ln(\frac{xx + yy}{zz})^{\frac{1}{2}}

Step-by-step explanation:

Given:

1/2(ln(xx + yy) − ln(zz))

Now,

From the properties of log function,

1)  n × ln(x) = ln(xⁿ)

and,

2)  ln(A) - ln(B) = \ln\frac{A}{B}

applying the properties in the given equation

we get the above equation as:

\frac{1}{2}(\ln\frac{xx + yy}{zz})        

( using the property 2 we get (ln(xx + yy) − ln(zz) = \ln\frac{xx + yy}{zz}  

or

⇒ \ln(\frac{xx + yy}{zz})^{\frac{1}{2}}    ( using the property 1 i.e n × ln(x) = ln(xⁿ) )

expression as an equivalent expression with a single logarithm is \ln(\frac{xx + yy}{zz})^{\frac{1}{2}}

3 0
3 years ago
Simplify the expression:<br> 2h+7+6+2h2
Alekssandra [29.7K]
2h2+2h+13 I believe!!!!
8 0
3 years ago
Read 2 more answers
Plz help me this hard
anastassius [24]
So the graph shows a division problem. the green parts represent 1/4 of the rectangle. and that 1/4 has been cut into 5 parts. so i think it would be d.
4 0
3 years ago
What is the area of this parallelogram? the perimeter is 19
Assoli18 [71]

Answer:

its 22 <3

Step-by-step explanation:

a=bh

(area = base x height)

base = 5.5

height = 4

5.5 x 4 = 22 :)

6 0
3 years ago
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