All categories

2 years ago

What is 3/4 plus 4 1/2

Mathematics

2 answers:

pochemuha2 years ago

8 0

Answer:

21/4

Step-by-step explanation:

4 1/2 is 9/2 is 18/4

18/4+3/4=21/4

kobusy [5.1K]2 years ago

7 0

Answer:

21/4

Ur welcome

You might be interested in

A trumpet player is currently standing in position (3, 2) on a gridded football field. Her bandleader

photoshop1234 [79]

Answer:

(1, 3)

Step-by-step explanation:

Current position (3,2)

Moving left of the x axis results in a decrease, so: 3 - 2 (As she is moving 2 units to the left)

Moving up results in a positive increase on the y axis, so: 2 + 1 (As she is moving one unit up)

3 0

3 years ago

Find the LCM<br> of 9 and 27.

Mnenie [13.5K]

Answer:

Step-by-step explanation:

The answer is 27, because 9 x 3 = 27 and the smallest number that is the same is 27.

Hope this helps!

6 0

2 years ago

Read 2 more answers

Dr. Ashby is studying the heart rate of adult men. Preliminary data suggests that the standard deviation of heart rates for adul

jok3333 [9.3K]

Answer:

n=42 adult men

Step-by-step explanation:

-The minimum sample size to get a desired margin of error, E is calculated using the formula:

$n\geq( \frac{z\sigma}{E})^2$

-Given that $\sigma=7.5, \ \ E=3\ , \ z_{0.005}=2.58$ , we can substitute to solve for n in the above formula:

$n\geq (\frac{z\sigma}{E})^2\\\\\therefore n=(\frac{z_{\alpha/2}\sigma}{E})^2\\\\=(\frac{2.58\times7.5}{3})^2\\\\=41.6025\approx42$

Hence, the desired minimum sample size, n is 42 adult men.

4 0

2 years ago

The regression equation for predicting number of speeding tickets (Y) from information about driver age (X) is Y = -.065(X) + 5.

ivolga24 [154]

Answer:

c. 4.27

Step-by-step explanation:

We have been given the regression equation of for predicting number of speeding tickets (Y) from information about driver age (X) as $Y=-0.065(X)+5.57$ .

To find the predicted number of tickets for a twenty-year-old, we will substitute $X=20$ in our given equation.

$Y=-0.065(20)+5.57$

$Y=-1.3+5.57$

$Y=4.27$

Therefore, the predicted number of tickets for a twenty-year-old would be 4.27 tickets.

6 0

3 years ago

Which of the following sets shows all the numbers from the set {1, 2, 3, 4} that are part of the solution to the inequality 7x +

gtnhenbr [62]

3 and 4 would both be corrent because one is smaller is 2 would make it equal

3 0

2 years ago