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emmainna [20.7K]
3 years ago
6

I really need help on this question!!!

Mathematics
2 answers:
Artyom0805 [142]3 years ago
7 0

Answer:

The pencil was invented in 1795

Step-by-step explanation:

When the question says "177 years before ... 1972", it implies that we have to subtract 177 from 1972 to find when the pencil was invented.

1972 - 177 = 1795

I hope you find this helpful. :)

Marysya12 [62]3 years ago
6 0

Answer: 1795.

Step-by-step explanation:

The statement states that it was invented "177 years before".

It also states the year the video game was invented which is 1972.

1972-177=1795.

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Use substitution to determine if the solution is correct (PINK HIGHLIGHTED ONE!!!)
mart [117]

Answer:

It is not correct.

Step-by-step explanation:

If you plug 4 in for x, you get -2*4+5=13. This simplifies to: -8+5=13. This is an untrue statement since -8+5 is actually -3, not 13.

Hope this is helpful! :)

4 0
3 years ago
Read 2 more answers
A small junior college had an enrollment of 7,843 students in the year 1990 and 8,793 students in the year 2000. Let x=0 represe
abruzzese [7]

Correct answer is: (0,7843) and (10,8793)

Solution:-

Given that a junior college has an enrollment of 7843 students in 1990 and 8793 students in year 2000.

We have to write this data as (x,y) .

Where x= years after 1990 and y=number of students enrolled.

Since in 1990, 7843 students enrolled, x = 1990-1990=0

And y=7843.

Hence one ordered pair is (0,7843).

Let us find the years after 1990 for 2000 = 2000-1990 =10

Hence another ordered pair is (10,8793).

4 0
3 years ago
The measure of one angle is 80 degrees. What is the measure of its supplement? A 80 degrees B 100 degrees C 10 degrees D I don't
ArbitrLikvidat [17]

Answer:

B. 100 degrees

Step-by-step explanation:

5 0
3 years ago
Tiffany’s allowance is reduced $1.25 every time she forgets to clean her room.
snow_tiger [21]

Answer:

$8.75 is your answer.

Step-by-step explanation:

What you do is you multiply 1.25 by 7.

<em>1.25 x 7 = $8.75</em>

$8.75 is your answer.

4 0
3 years ago
Write an equation that represents the line.
emmasim [6.3K]

Answer:

y = -2x - 3

Step-by-step explanation:

The y-intercept is b = -3.

We read the slope off the graph.

m = -2/1 = -2

y = mx + b

y = -2x - 3

7 0
1 year ago
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