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devlian [24]
3 years ago
10

HELP QUICK!!! 5x2+30x+45/(x+3)^2

Mathematics
1 answer:
Ronch [10]3 years ago
5 0
The answer is in the red part but the work is everything on top.

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Assume that
JulsSmile [24]

Answer:

D - It is impossible to make a judgment with the given information.

Step-by-step explanation:

The fact that 1200 births were randomly selected and only 599 of such picks are girls does not give enough information on whether the birth is significantly high, low or neither. We must have other information to test for significance of the births proportion.

All we know is that;

Proportion of girls birth (p) = 599/1200 = 0.499. And by default, the proportion of male births (q) will be 1-p = 1-0.499 = 0.501.

If we examine the proportion closely, there seems to be no significant difference in the birth proportion.

Having said this, we cannot really imply that, the number of girls is significantly high. Or the number of girls is neither significantly low nor significantly high. Or the number of girls is significantly low.

The best subjective submission will be that, <em>there is no significant difference between girls birth and males birth.</em> The question of high or low (an alternative hypothesis) requires some further statistical test and this question does not provide further details.

8 0
3 years ago
IS IT (A , B ) CAN SOMEONE HELP PLEASE !!!!!!!!!!!!!!!!!
andriy [413]

Answer: 1% is your answer

It's (1/100) * 100 or 1% is the percentage strength of a 1:100 solution.

Step-by-step explanation:

l NOTE:

l To change ratio strength to percent strength, it is

sometimes convenient to "convert" the last two zeros in

a ratio strength to a percent sign (%),

l change the remaining ratio to a common fraction, and

then to a decimal fraction in expressing percent.

l Examples:

l 1:100 =1/1% = 1%

l 1:200 = ½% = 0.5%

l 3:500 = 3/5% = 0.6%

l 1:2500 = l/25% = 0.04%

l 1:10,000 = 1/100% = 0.01%

8 0
2 years ago
What is the solution to -1-7? + 4 5 6 9 10 2 -10-9-8-7 6-5- 4 -3-2 1 -8 O 6 6 O8​
Amiraneli [1.4K]
I believe the answer is -1
4 0
3 years ago
I need the answer ASAP!!
Lorico [155]
O=orange
a=apple

equation 1
3o+a=$1.86
a=$1.86-3o

use a=$1.86-3o in equation 2

equation 2 
2o+3a=$2.15
2o+3($1.86-3o)=$2.15
2o+$5.58-9o=$2.15
$5.58-7o=$2.15
$5.58=$2.15+7o
$3.43=7o
$0.49=o

then use $0.49=o for equation 1.

equation 1

3($0.49)+a=$1.86
$1.47+a=$1.86
a=$0.39

so an apple is $0.39.

8 0
3 years ago
BRAINLIEST
Drupady [299]

Answer:

1.) x=6  

2.)n=13

Step-by-step explanation:

1.)

-4x-3=-6x+9

−4x=−6x+9+3

−4x+6x=12

2x=12

x=12/2

<u>Answer:</u> <u>x=6 </u>

<u></u>

2.)

41-2n=2+n

41=2+n+2n

41=2+3n

41−2=3n

39=3n

39/3=n

13=n

<u>Answer:</u> <u>n=13 </u>

5 0
3 years ago
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