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2 years ago

Is the following shape a rectangle? How do you know?

Mathematics

1 answer:

daser333 [38]2 years ago

6 0

Answer: It might be a no answer. I don't know which one. I'm so sorry if I'm wrong.

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A, B, and Care coplanar. True False

Allushta [10]

B I think hopefully! :)

6 0

2 years ago

Read 2 more answers

Percy is 8 years older than Ginny. In ten years time he will be three times Ginnys present age. How old is Percy now?

LekaFEV [45]

Now,
G - Ginny's age.
P=G+8, Percy's age.

In 10 years,
G + 10 - Ginny's age in 10 years.
P+10 - Percy's age in 10 years.

 In ten years time Percy (P+10) will be three times Ginnys present age (3G).
P+10=3G

Now we have 2 equations, and we can write a system of equations.

(1) P=G+8
(2) P+10=3G -------> G=(P+10)/3, we need to substitute it into equation 1.

( P=(P+10)/3+8) /*3
3P=P +10+24
2P = 34
P = 17

Percy is 17 years old now.

Check,
P=17, G=17-8=9
P+10=3G , 17+10=3*9, 27 = 27 True

5 0

2 years ago

Find the angle measure x in the given figure. 70° 45° 60° 55°

oee [108]

The inside angles of a 4 sided shape when added together equal 360.

X = 360 - 50-130-120

X = 60 degrees.

4 0

2 years ago

Read 2 more answers

4 Fill in the blanks to complete the following number patterns. 13, 18,___, 31, 39, 49

ella [17]

Answer:

So you first count how much times the numbers go up,then you add the number you get it is 6+ you add them with 13 and you get 19.

Step-by-step explanation:

So you first count how much times the numbers go up,then you add the numbers so 1 is not enough 2 is not enough 3 is not enough 4 is not enough 5 is not enough 6 is enough, so we add the six with the number that we are adding which is 13,then you get 19

7 0

2 years ago

Please help me with this

Tju [1.3M]

Answer:

Option 2: m∠1 = 147°, m∠2 = 80°, m∠3 = 148°

Step-by-step explanation:

Step 1: Consider triangle ABC from the picture attached below.

Lets find angle x

x + 47 + 33 = 180 (because all angles of a triangle are equal to 180°)

x = 100°

Angle x = Angle y = 100° (because vertically opposite angles are equal)

Step 2: Find angle 2

Angle 2 = 180 - angle x (because angle on a straight line is 180°)

Angle 2 = 180 - 100

Angle 2 = 80°

Step 3: Find angle z

48 + y + z = 180° (because all angles of a triangle are equal to 180°)

z = 32°

Angle 3 = 180 - angle z (because angle on a straight line is 180°)

Angle 3 = 180 - 32

Angle 3 = 148°

Step 4: Find angle 1

Angle 1 = 180 - 33 (because angle on a straight line is 180°)

Angle 1 = 147°

Therefore m∠1 = 147°, m∠2 = 80°, m∠3 = 148°

Option 2 is correct

3 0

3 years ago