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trapecia [35]
3 years ago
15

Not sure if i got these right can someone check my work

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
7 0

Answer:

  your answers are correct

Step-by-step explanation:

A straight angle measures 180°. It looks like a straight line with the vertex as a marked point on the line.

__

A right angle is usually marked with a little square in the corner, as in diagrams 2 and 5. Diagram 2 also shows complementary angles, two angles that have a sum of 90°.

__

Supplementary angles have a sum of 180°, so can form a straight angle as in diagram 1.

__

An obtuse angle is one that has a measure greater than 90°. (If it is greater than 180°, it is called a <em>reflex angle</em>.)

__

An acute angle is one that measures less than 90°.

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A car moved at a speed of 90km/hr for 3 minutes.What distance did it cover?​
aniked [119]

Answer:

270kilometers

Step-by-step explanation:

To find the distance, all you have to do is the speed · time

In these types of distance time and word problems, you multiply the other factors, 90 and 3, The time(T) · The speed(S)

So. 90(S) · 3(T) = 270(D)

5 0
3 years ago
The yearbook club is handing out T-shirts to its members. There are 5 blue, 7 green, 9 red, and 4 yellow T-shirts in all. If Jac
Neporo4naja [7]

Answer:

well it's 9/25 or 0.36% or (36%) only

Step-by-step explanation:

So you add all the numbers up it would be 25, divide the numerator by the denominator and get 0.36%, i can't remember if you divide .36 by 100 or not but anyway you get 36%.

But I hope i have helped you in anyway.

5 0
3 years ago
Holly and her 2 brst friends go to dinner. Their total bill is 31.84. They use a coupon for 15% off the total. If they split the
Tresset [83]
ANSWER:

$9.0.

Each person will owe $9.0.

STEP-BY-STEP SOLUTION:

Total amount of people:
= 3

Total bill:
= $31.84

Discount off total bill:
= 15%

Total bill after discount:
= 31.84 × ( 100% - 15% )
= 31.84 × 85%
= 27.064

Total bill after discount split evenly / Amount each person will owe:
= 27.064 ÷ 3
= 9.0213 ( 3 repeater )
= $9.0 ( rounded to the nearest tenth )
6 0
3 years ago
How do i solve for x ?
antoniya [11.8K]

Answer:

Step-by-step explanation:

3 0
3 years ago
You research the cost of a gallon of gasoline over several years to look for a trend. The table shows your data. The line of bes
Blizzard [7]
Plotting the data to get the line of best fit, it is:
y<span> = 0.087</span>x<span> + 0.587

substitute x=2030-1980=50,
y = $4.94 is the price in 2030</span>
3 0
3 years ago
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