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shepuryov [24]
3 years ago
10

PLS HELP NOW ! WILL MARK BRAINLIEST AND 5 STARS

Mathematics
1 answer:
Paraphin [41]3 years ago
8 0

Answer:

x = 45/4

Step-by-step explanation:

2x - 3/4 + x = 2x + 3/2 + 9

- 3/4 + x = 3/2 + 9

- 3/4 + x = 21/2

x = 21/2 + 3/4

x = 45/4

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In 1988, a certain model of car cost $17000. What would be the cost of that car in 2017 dollars?
baherus [9]

Answer:

$66,092.50

Step-by-step explanation:

In 1988, the car cost $17,000

Annual inflation over this period was 3.54% from 1988 to 2017

After adjusted for inflation, $17,000.00 in 1978 is equal to $66,092.50 in 2017

Therefore, the cost of that car in 2017 is closest to $66,092.50

5 0
3 years ago
Write the related pairs as ordered pairs.
NikAS [45]
If what.. we need to know what it is
7 0
3 years ago
The number 85 is decreased to 83. What is the percentage by which the
Readme [11.4K]

Answer:

~ 2.3%

Step-by-step explanation:

A percentage is a amount divided by the total.

2/85 (2 is the amount decreased) 0.02352941176470588235294117647059‬

That makes around 0.023.

That multiplied by 100 is 2.3 and that makes the percentage.

So yeah.

5 0
2 years ago
I need help pleaseeeee
Maksim231197 [3]

Answer:

D)

Step-by-step explanation:

49 degrees + 86 degrees = 135 degrees

line QT=180 degrees

135 degrees + 45 degrees = 180 degrees

8 0
2 years ago
A circle with radius 142.5 has an arc with a 24 degree angle. What is the length of the arc?
MissTica

Answer:  59.690260418206

The result is approximate. Round that value however you need to.

===========================================================

Explanation:

For a circle with radius r = 142.5, the full distance around the edge (aka perimeter aka circumference) is found by using the formula below.

C = 2*pi*r

C = 2*pi*142.5

C = 895.353906273091

That value is approximate. I used my calculator's stored value of pi to get the most accuracy possible.

That value of roughly 895 represents the distance around a full circle of that radius, but we only want a 24 degree pizza slice.

In other words, we want 24/360 = 1/15 of the full perimeter

(1/15)*895.353906273091 = 59.690260418206

5 0
2 years ago
Read 2 more answers
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