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telo118 [61]
3 years ago
13

Malia found the margin of error for the percent of lengths of 100 willow leaves greater than 5 cm. If she increases her sample t

o 400, how will this affect her margin of error?
Group of answer choices

A. It will not change the margin of error.

B. It will double the margin of error.

C. It will reduce the margin of error by one-half.

D. It will reduce the margin of error by one-fourth.
Mathematics
1 answer:
marissa [1.9K]3 years ago
8 0
I believe option B will be correct
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svetlana [45]

Answer:

17 ft

Step-by-step explanation:

The triangle on the bottom left is a right triangle.

a² + b² = c²

(8 ft)² + (15 ft)² = (RQ)²

64 ft² + 225 ft² = (RQ)²

(RQ)² = 289 ft²

RQ = 17 ft

4 0
2 years ago
What should you pay attention to when using credit?
Oxana [17]

Answer:

All of the Above.

Step-by-step explanation:

Monthly Payments is similar to length of time. Interest rate is the amount you pay back on a monthly scale.

4 0
3 years ago
Read 2 more answers
Is this correct if not can someone give me the answer I will mark u brilliant
Mila [183]

Answer: the first one is 735.75

the second one is 69

Step-by-step explanation:

THEY ARE BOTH CORRECT!

4 0
3 years ago
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identify the initial amount,a,and the growth factor,b,in each exponential function.Break b into (1+r)where r is the rate of grow
Alla [95]

Given function : y=1.05(1.46)^x

We need to identify a " initial amount", b "growth factor", r " rate of growth".

We know, exponential growth formula

y=a(b)^x, where a is initial amount, b is growth factor. On comparing with given function let us find values of a and b.

y=1.05(1.46)^x ⇔ y=a(b)^x.

We can see a= 1.05 and b = 1.46.

Now, b=1+r.

Therefore, 1+r =1.46.

Subtracting 1 from both sides, we get

1+r-1 =1.46-1

r = 0.46.

On converting 0.46 into percentage, we get

0.46 × 100 = 46.

Therefore, intial amount a = a= 1.05 , growth factor b = 1.46, and the rate of growth r= 46%.

5 0
3 years ago
Nat sews a triangle on an apron. The three sides of the triangle measure 3 inches, 4 inches, and 5 inches. Which best represents
maria [59]

Answer:

Is a scalene right triangle

Step-by-step explanation:

Classify the triangle

By the interior angles

Applying the Pythagoras Theorem

c^{2}=a^{2} +b^{2}

substitute the values

5^{2}=3^{2} +4^{2}

25=25 ------> is true

therefore

Is a right triangle

By the length sides

The triangle has three unequal sides

therefore

Is a scalene triangle

4 0
3 years ago
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