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4vir4ik [10]
3 years ago
8

Bailey got a 75% on a quiz. They got 15 questions

Mathematics
1 answer:
Marina86 [1]3 years ago
8 0

Answer:

20

Step-by-step explanation:

1/4 of 20 is 75

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Which weighs more 5 ounces or 150 grams
Karo-lina-s [1.5K]
150 grams weigh more than 5 ounces
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3 years ago
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The population of a local species of bees can be found using an infinite geometric series where a1=860 and the common ratio is 1
erma4kov [3.2K]
a_1=860
a_2=\dfrac{a_1}5
a_3=\dfrac{a_2}5=\dfrac{a_1}{5^2}
\vdots
a_n=\dfrac{a_{n-1}}5=\dfrac{a_{n-2}}{5^2}=\cdots=\dfrac{a_1}{5^{n-1}}

The kth partial sum is

\displaystyle S_k=\sum_{n=1}^ka_n=\sum_{n=1}^k\frac{a_1}{5^{n-1}}
S_k=a_1\left(1+\dfrac15+\dfrac1{5^2}+\cdots+\dfrac1{5^{k-2}}+\dfrac1{5^{k-1}}
\dfrac15S_k=a_1\left(\dfrac15+\dfrac1{5^2}+\dfrac1{5^3}+\cdots+\dfrac1{5^{k-1}}+\dfrac1{5^k}\right)

\implies S_k-\dfrac15S_k=a_1\left(1-\dfrac1{5^k}\right)
\dfrac45 S_k=860\left(1-\dfrac1{5^k}\right)
S_k=1075-\dfrac{1075}{5^k}

As k\to\infty, we're left with

\displaystyle\sum_{n=1}^\infty a_n=\lim_{k\to\infty}\left(1075-\frac{1075}{5^k}\right)=1075

which is the upper limit to the population of the bees.
4 0
3 years ago
PLEASE HELP I WILL GIVE BRAINLIEST Complete the frequency table: Method of Travel to School Walk/Bike Bus Car Row totals Under a
frozen [14]

Answer:

11%

Step-by-step explanation:

1. Fill out the table with the correct numbers.

2. After you fillout the numbers, you should notice that under the column car and in the first row, there should be the number 18.

3. We know the total number of students under the age of 15 is 165.

4. To find the percent:

       18/165 * 100

               = 11%

3 0
4 years ago
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a line with a slope of 1/10 passes through the point (0, 9). What is the equation in slope intercept form?
Nimfa-mama [501]

Answer:

y=1/10x+9

Step-by-step explanation:

i think, sorry if its wrong

8 0
3 years ago
Please help 20 points⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️
xz_007 [3.2K]

Answer:

BC equals 5

Step-by-step explanation:

they are parallel to each other making them equal sides

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