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GenaCL600 [577]
3 years ago
6

URGENT I NEED AN ANSWER!!! A water tank holds 657 gallons but is leaking at a rate of 4 gallons per week. A second water tank ho

lds 876 gallons but is leaking at a rate of 7 gallons per week. After how many weeks will the amount of water in the two tanks be the same?
Mathematics
1 answer:
DENIUS [597]3 years ago
6 0

Answer: 73 weeks

Step-by-step explanation:

Equations

657-4w=876-7w

Solve for w

w=73

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Mia cuts up a piece of wood 4 1/2m long into pieces measuring 3/4m long. How many pieces are there?
Oksana_A [137]

Answer:

6

Step-by-step explanation:

to find how many pieces we use division

we divide the main piece of wood size ÷ small sizes

4.5 ÷0.75 = 6 pieces

6 0
3 years ago
A company is printing both CD and vinyl versions of the same album. The machines that produce the CDs and vinyl albums can both
Sophie [7]

explanation:

A phonograph record (also known as a gramophone record, especially in British English), often simply record, is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove. The groove usually starts near the periphery and ends near the center of the disc. At first, the discs were commonly made from shellac; starting in the 1940s polyvinyl chloride became common, hence the name vinyl. In the mid-2000s, gradually, records made of any material began to be called vinyl records, or simply vinyl.

The phonograph disc record was the primary medium used for music reproduction throughout the 20th century. It had co-existed with the phonograph cylinder from the late 1880s and had effectively superseded it by around 1912. Records retained the largest market share even when new formats such as the compact cassette were mass-marketed. By the 1980s, digital media, in the form of the compact disc, had gained a larger market share, and the record left the mainstream in 1991.[1] Since the 1990s, records continue to be manufactured and sold on a smaller scale, and during the 1990s and early 2000s were especially used by disc jockeys (DJs) and released by artists in mostly dance music genres, and listened to by a growing niche market of audiophiles. The phonograph record has made a niche resurgence as a format for rock music in the early 21st century – 9.2 million records were sold in the US in 2014, a 260% increase since 2009.[2] Likewise, sales in the UK increased five-fold from 2009 to 2014.

                        hope it helps

7 0
4 years ago
The radius and circumference of several objects were measured.
Over [174]

A statement which best describes the strength of the correlation, and the causation between the variables is that: D. it is a strong positive correlation, and it is likely causal.

<h3>What is a positive correlation?</h3>

A positive correlation can be defined as a terminology that is used to described a scenario (situation) in which two variables move in the same direction and are in tandem.

This ultimately implies that, a positive correlation exist when two variables have a linear relationship or are in direct proportion. Hence, when one variable increases, the other increases as well, and vice-versa.

By critically observing the scatter plot (see attachment) which models the data in the given table, we can infer and logically deduce that the value on the y-axis (circumference) increases as the value on the x-axis (radius) increases, so this is a strong positive correlation.

Also, we know that there exist a direct relationship between the circumference of a circle and its radius, so this relationship is most likely causal.

In conclusion, a statement which best describes the strength of the correlation, and the causation between the variables is that it's a strong positive correlation, and it is likely causal.

Read more on positive correlation here: brainly.com/question/10644261

#SPJ1

3 0
2 years ago
What is the absolute value of 91?
Soloha48 [4]

Many people find this to be a complicated topic.
Please try to follow my steps as I solve the problem
and answer your question.  I'll go slow.

The absolute value of any number is
the same number with a positive sign.

The absolute value of  -91  is  +91 .

The absolute value of  +91  is  +91 .

Was there anything there that you couldn't follow ?

6 0
3 years ago
A = (5)<br> b = (3)<br> Work out 4a + b
malfutka [58]

Step-by-step explanation:

IF A=5, B=3

4*5+3=20+3

         =23

THE ANSWER IS 23

8 0
3 years ago
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