A. Helen is driving 65 mph
b. Matthew drove 310 miles
Answer:
706.5 ft²
Step-by-step explanation:
A. Width of the rectangle
The formula for the area of a rectangle is
A = lw
But, l = 3w, so,
A = (3w)w
= 3w² = 12
w² = 4 Divided each side by 3
w = 2 ft Took the square root of each side
B. Length of rectangle
l = 3w = 6 ft
C. Diameter of circle
d = 5l = 5 × 6 = 30 ft
D. Radius of circle
d = 2r
r = d/2 Divided each side by 2
r = 30/2 = 15 ft
E. Area of circle
A = πr² = 3.14 × 15² = 3.14 × 225 = 706.5 ft²
The area of the circle is 706.5 ft².
Complete Question
The complete is shown on the first uploaded image
Answer:
The correct option are option 2 and option 4
Step-by-step explanation:
From the question we are told that
The sample size is n = 12
The test statistics is ![t \approx 1.434](https://tex.z-dn.net/?f=t%20%5Capprox%201.434)
The level of significance is ![\alpha = 0.05](https://tex.z-dn.net/?f=%5Calpha%20%3D%200.05)
The rejection region is t>1.796
The null hypothesis ![H_o: \mu_d=0](https://tex.z-dn.net/?f=H_o%3A%20%5Cmu_d%3D0)
The alternative hypothesis is ![H_a : \mu_d >0](https://tex.z-dn.net/?f=H_a%20%3A%20%5Cmu_d%20%3E0)
From the given values we see that t < 1.796(i.e 1.434 < 1.796 ) which implies that t is not within the rejection region
Hence we fail to reject the null hypothesis
The conclusion is that there is insufficient evidence to suggest that that the husbands are significantly older than the wife.
Answer:
Can u mark brainelst plz?
Step-by-step explanation:
x
−
1 > 5
x > −
6
x + 1 ≥ 9
Answer:
Charlie spent 5$ per sandwich
Step-by-step explanation:
He ordered 6 sandwiches
6x5 =30
He spent 2$ on kids meal
30+2 = 32$
Hope this helped, if you want please mark branliest it would be appreciated