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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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Dylan is saving for a new computer and has saved $213. He is saving a $3 a day and needs no more than $654 for the computer he w
shutvik [7]

Answer:

147

Step-by-step explanation:

654 = 213 + 3x

-213    -213

441 = 3x

/3       /3

147 = x

4 0
3 years ago
Read 2 more answers
Jill has a photograph that is 4 inches wide by 6 inches high. If she enlarges it so that the width is 12
Nadya [2.5K]

Answer:

The inches in height will be 18 inches.

Step-by-step explanation:

Okay so we know that the original width is 4 inches and she enlarged that to 12 inches

So what we first have to do is find out how much did the photograph "grow" per se. To find this we have to divide 12 by 4. 12 divided by 4 = 3.

So, the width of the photograph grew "times 3" inches

Now whatever you do to the width you have to do to the height. In this case, what is "3 times" 6 (which is the height). 3 times 6 = 18 inches

So in simpler words 12 divided 4 = 3 x 6 = 18 inches

The inches in height will be 18 inches.

Jill has a square with a width of 12 inches, and a height of 18 inches.

Have a wonderful day!

5 0
3 years ago
Triangle A B C has centroid G. Lines are drawn from each point through the centroid to the midpoint of the opposite side to form
d1i1m1o1n [39]

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The length of GF is 254 units.

<h3>What is a triangle?</h3>

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The sum of all the angles of a triangle is always equal to 180°.

Since a centroid of a triangle divides the median into a ratio of 2:1. Therefore, the ratio of AG: DG is,

AG / DG = 2/1

(19x+14)/(9x+20) = 2/1

19x + 14 = 18x + 40

19x - 18x = 40 - 14

x = 26

Assuming the triangle is an equilateral triangle, therefore, the length of GF will be,

GF = DG = 9x+20

GF = DG = 9(26) + 20

GF = 254 units

Hence, the length of GF is 254 units.

Learn more about Triangle:

brainly.com/question/2773823

#SPJ1

6 0
2 years ago
The roots of the equation x^2+bx+c=0 are −4 and 2. Find b and Find c
ra1l [238]

Since its roots are -4 and 2 and a = 1 [The coefficient of x^2] we know that x^2 + bx + c = (x - (-4)) (x-2)=(x+4)(x-2) = 0. Using the distributive property we get, x^2 + 2x - 8 = 0. By equating coefficients (common strategy for partial fractions and undetermined coefficient method of solving ODE), we get b = 2 and c = -8.

Hope this helps :) If you spot a mistake in my work or have a question comment down below.

5 0
4 years ago
6% of 500 is what number<br>I need it to be worked out too<br>please,<br> and thank you
Scorpion4ik [409]
Change 6% into its decimal form which is 0.06 then multiply it by 500.

500*0.06= 30

30 is the 6% of 500
8 0
4 years ago
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