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DerKrebs [107]
3 years ago
13

Can u help me plz now

Mathematics
1 answer:
Elenna [48]3 years ago
3 0

Answer:

1 1/5 miles per hour

Step-by-step explanation:

3/5 = 0.60

1/2= 0.5 hr

0.60 * 2 = 1.2

1.2 mph = 1 1/5

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Chloe asked students in her school band these two questions.
Maksim231197 [3]

Answer:

Question 1: Statistical

Question 2: Not Statistical

Step-by-step explanation:

Given

Question 1 and 2

Required

Are they statistical questions?

A question is said to be statistical if it can be answered through data collection and if there are variances in the collected data.

Using this yardstick, we can say that (1) is a statistical question because the frequency at which the band perform in a week can be determined by gathering data of their past practice.

This can not be said of (2) because (2) has not been done yet, there is no available data to make predictions and lastly, the variance of an unavailable data can not be determined.

6 0
3 years ago
Celebs family room has dimensions of 3 7/8 length and 5 1/4 width. What is the area?
lara31 [8.8K]
To find the area, use length times width.

3\frac{7}{8} · 5 \frac{1}{4}

Convert the mixed numbers into improper fractions.

\frac{31}{8} · \frac{21}{4} = \frac{651}{32}

\frac{651}{32} = 20.34 units²
6 0
3 years ago
Read 2 more answers
Lucy is a dressmaker she sews 4/7 of a dress in 3/4 hour. At this rate, how many dresses Lucy sew in one hour
professor190 [17]
(4/7)/(3/4) = x/1
cross multiply
3/4x = 4/7
x = 4/7 * 4/3
x = 16/21 <===
5 0
4 years ago
Read 2 more answers
A ball is dropped from the ground. T represents the time in seconds. To find the time you can you the equation Y= -16t^2 +44t. H
bagirrra123 [75]

Answer:

2.75 seconds.

Step-by-step explanation:

We have been given that a ball is dropped from the ground. T represents the time in seconds.

To find the time when the ball was in air, we will equate height of ball with 0 and solve for t.  

-16t^2+44t=0

Upon dividing both sides by 4, we will get:

-4t^2+11t=0

-t(4t-11)=0

-t=0\text{ (or) }(4t-11)=0

t=0\text{ (or) }4t-11=0

t=0\text{ (or) }4t=11

t=0\text{ (or) }t=\frac{11}{4}

t=0\text{ (or) }t=2.75

Since our given function is a downward opening parabola, so ball will be in air between both t-intercepts.

Since the ball touches the ground at 2.75 seconds, therefore, the ball would be in air for approximately 2.75 seconds.

4 0
3 years ago
Write the area of the rectangle at right as a sum
Oduvanchick [21]

Answer:

I-85

Step-by-step explanation:

4 0
4 years ago
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