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2 years ago

Number 11 and 12. Solve for x and y. Please and thank you.

Mathematics

1 answer:

vlada-n [284]2 years ago

4 0

Answer:

11. x=18, y=5

12. x=17, y=9

Step-by-step explanation:

Use the angle property https://www.proprofs.com/quiz-school/story.php?title=angle-properties-parallel-lines (REFER TO THIS LINK)

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Perímetro de un cubo de 9 cm

svp [43]

Answer:

Perímetro de

Step-by-step explanation:

What does this mean?

5 0

3 years ago

A polyhedron has 8 vertices and 14 edges. How many faces must it have?

Scorpion4ik [409]

We know that

The Euler's formula state that, the number of vertices, minus the number of edges, plus the number of faces, is equal to two

V - E + F = 2
clear F
F=2-V+E

in this problem
V=8
E=14
F=?
so
F=2-8+14
F=8

the answer is
8 faces

7 0

3 years ago

SIGNS. *

mrs_skeptik [129]

im not smart enough lol

3 0

3 years ago

PLEASE HELP ME ASAPPPP

velikii [3]

Answer: Figure QRTS is congruent to figure Q'R'T'S'.

Step-by-step explanation:

A reflection is a rigid motion, and rigid motions preserve congruency.

8 0

2 years ago

An empty box weighs 200 g. The box is filled with birthday party goody bags and it now weighs 6.2 kg. Each goody bag weighs 150

Sliva [168]

Answer:

The number of goody bags inside the box=40

Step-by-step explanation:

Given the box weighs 200g

given the weight each goody bag be 150g.

Let the number of goody bag be x

Also given that the weight of the bag Long with the goody bags is 6.2Kg.

We know that 1Kg =1000 g.

So total weight= $6.2*1000$ =6200g

Total weight=weight of the bag + the number of goody bags * the weight of each goody bag.

Now

6200=200+ $150*x$

$x=6000/150$ =40

Therefore there are 40 goody bags

4 0

3 years ago