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dexar [7]
3 years ago
14

Hector planted 185 flowery in two days there were five volunteers including Hector who each planter about the same Number of flo

wers about how many flowers did they plant
Mathematics
1 answer:
exis [7]3 years ago
6 0
<span>you take 185 and divide it by 5. Then you take your answer from there, 37, and that would be your answer if you were trying to find out how many flowers each volunteer planted over the two days. If you want to know how many flowers each volunteer planted each day, you would divide 37 by two. Then your answer is that each planter planted 18 to 19 flowers each day, since you can't plant 18.5 flowers each day!</span>
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Simplify 125×t-⁴/5-³×625×t-⁸​
barxatty [35]

Answer:

Step-by-step explanation:

\frac{a^{m}}{a^{n}}=a^{m-n}\\\\a^{m}*a^{n}=a^{m+n}\\\\\frac{125t^{-4}}{5^{-3}}*625*t^{-8}\\\\=\frac{5^{3}t^{-4}}{5^{-3}}*5^{4}*t^{-8}\\\\=5^{3-[-3]+4}*t^{-4-8}\\\\=5^{3+3+4}t^{-12}\\\\=5^{10}t^{-12}\\\\=\frac{5^{10}}{t^{12}}

6 0
3 years ago
Several years​ ago, 39​% of parents who had children in grades​ K-12 were satisfied with the quality of education the students r
BaLLatris [955]
<h2>Answer with explanation:</h2>

Let p be the population proportion  of parents who had children in grades​ K-12 were satisfied with the quality of education the students receive.

Given : Several years​ ago, 39​% of parents who had children in grades​ K-12 were satisfied with the quality of education the students receive.

Set hypothesis to test :

H_0: p=0.39\\\\H_a :p\neq0.39

Sample size : n= 1055

Sample proportion : \hat{p}=\dfrac{466}{1055}=0.441706161137\approx0.44

Critical value for 95% confidence : z_{\alpha/2}=1.96

Confidence interval : \hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}

0.44\pm (1.96)\sqrt{\dfrac{0.39(1-0.39)}{1055}}\\\\0.44\pm0.0299536805135\\\\0.44\pm0.03\\\\=(0.44-0.03, 0.44+0.03)\\\\=(0.41,\ 0.47)

Since , Confidence interval does not contain 0.39.

It means we reject the null hypothesis.

We conclude that 95​% confidence interval represents evidence that​ parents' attitudes toward the quality of education have changed.

8 0
4 years ago
The perimeter of a rectangle is 20xm. the length is 6cm longer than the width. what are the length and width of the rectangle?
aleksley [76]
Let width be x 

length= 6+x 

p=2(l+w) 
20=2(6+x+x) 
10=2x+6 
10-6=2x 
4=2x 
x=4/2
x=2 

Therefore the width is 2 cm and length is (6+2)= 8 cm 

Hope I helped :) 
3 0
3 years ago
Read 2 more answers
What two numbers multiply to get -140 but add to get -4
dalvyx [7]
In order to get -140, one number has to be negative and one number has to be positive.  And these two numbers when added together give you a -4, which means the greater of these numbers has to be negative.

Try guess and check strategy by listing possible factor combinations for -140 and see which one works!
4 0
4 years ago
How to do -4x+5y+6z?
Gala2k [10]

Answer:

There are no like terms to therefore the answer is -4x+5y+6z

3 0
3 years ago
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