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3 years ago

14

5. A local flower shop sells a dozen roses for

1 answer:

Alexeev081 [22]3 years ago

8 0

Answer is below

B

12.85*5=64.25

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so my equation is x^2-30x=-125. i already completed the square but what does it mean when i have to add (b/2)^2

Blizzard [7]

Answer:

mh

Step-by-step explanation:

mfhnyjjjjjjjjjjjjjjjj

7 0

3 years ago

For f(x) = 4x+1 and g(x) =x^2-5 find (f times g) (4)<br><br> apex

Dafna11 [192]

Answer:

$(f o g)(4) = 45$

Step-by-step explanation:

<u>Step 1:-</u>

Given f(x) = 4 x+1 and g(x) =x^2-5

$(f o g )(x) = f(g(x))$

Given

$(f 0 g)(4)=f(g(4))$

$f(g(4))=f(4^{2}-5)=f(11)$

$f(11)=4(11)+1 = 45$

Therefore $(f o g)(4) = 45$

6 0

2 years ago

The measure of an interor angle of a regular polygon is given. Find the number of sides in the polygon.

EleoNora [17]

Let side be n

#1

$\\ \sf\longmapsto 120n=(n-2)180$

$\\ \sf\longmapsto 120n=180n-360$

$\\ \sf\longmapsto -60n=-360$

$\\ \sf\longmapsto n=6$

#2

$\\ \sf\longmapsto 160n=(n-2)180$

$\\ \sf\longmapsto 160n=180n-240$

$\\ \sf\longmapsto -20n=-240$

$\\ \sf\longmapsto n=12$

#3

$\\ \sf\longmapsto 144n=(n-2)180$

$\\ \sf\longmapsto 144n=180n-360$

$\\ \sf\longmapsto -36n=-360$

$\\ \sf\longmapsto n=10$

6 0

2 years ago

A police officer claims that the proportion of accidents that occur in the daytime (versus nighttime) at a certain intersection

Roman55 [17]

Answer: -1.78

Step-by-step explanation:

As per given description, we have

Population proportion : $p=0.35$

Sample size : n= 500

Sample proportion : $\hat{p}=\dfrac{156}{500}=0.312$

Test statistic for population proportion :-

$z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}\\\\\\=\dfrac{0.312-0.35}{\sqrt{\dfrac{0.35(1-0.35)}{500}}}\\\\=-1.78146747757\ \ \text{(Simplified)}\\\\\approx-1.78$

Hence, the test statistic for this hypothesis test for a proportion= -1.78

3 0

3 years ago

Can someone please help? A ferris wheel is drawn on a coordinate plane so that the first car is located at the point (0,10).

Ugo [173]

Answer:

(10,0)

Step-by-step explanation:

When it comes to rotations by 90 degrees or 270 degrees, you just have to switch the order of x- and y- coordinates. Then find the sign by considering which quadrant will it be. In this case, it is originally on the positive y-axis and now it would be +ve x-axis.

5 0

3 years ago