All categories

3 years ago

In the class of 35 students, there are 5 more boys than the girls. How many boys are in the class

Mathematics

1 answer:

never [62]3 years ago

7 0

Answer:

20 boys

Step-by-step explanation:

by subtracting 5, the boys would be equal to the girls, so there are 15 girls. 15+5=20

You might be interested in

Whats 2 1/3 - 1 3/4 in simplest form

Aleonysh [2.5K]

Answer:

7/12

Step-by-step explanation:

5 0

3 years ago

Is 49 greater than or less than 7.1

vladimir2022 [97]

Answer:

Greater

Step-by-step explanation:

just because

6 0

3 years ago

Read 2 more answers

A farmer sold 1/4 of his 1500 flock of sheep. how many sheep dd he sell?<br>

Alex787 [66]

Answer:

375 sheep.

Step-by-step explanation:

To find 1/4 of 1500, you must divide the number by the denominator of the fraction.

1500 ÷ 4 = 375

5 0

3 years ago

In a metal fabrication process, metal rods are produced to a specified target length of 15 feet. Suppose that the lengths are n

Leto [7]

Answer:

95% Confidence interval: (14.4537 ,15.1463)

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 15 feet

Sample mean, $\bar{x}$ = 14.8 feet

Sample size, n = 16

Alpha, α = 0.05

Sample standard deviation, σ = 0.65 feet

Degree of freedom = n - 1 = 15

95% Confidence interval:

$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 15 and}~\alpha_{0.05} = \pm 2.1314$

$14.8 \pm 2.1314(\dfrac{0.65}{\sqrt{16}} ) \\\\= 14.8 \pm 0.3463 = (14.4537 ,15.1463)$

is the required confidence interval for the true mean length of rods.

3 0

3 years ago

Read 2 more answers

The diagram below shows the contents of a jar from which you select marbles at random.

Diano4ka-milaya [45]

TWO SCREENSHOT BELOW FOR THE ANSWER

3 0

3 years ago