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-BARSIC- [3]
3 years ago
11

Pls answer these two questions

Mathematics
1 answer:
nlexa [21]3 years ago
4 0

Answer:

1. C

2. C

Hope This Helps!!!

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Which statement is true?
melisa1 [442]

Answer:

All squares are rectangles.

Step-by-step explanation:

A square is a rectange with equal-length sides.

A rectangle is a parallelogram with right-angle corners.

A parallelogram is a quadrilateral with opposite sides parallel.

A quadrilateral is any 4-sided plane figure, not necessarily convex. Sides are not necessarily parallel, nor are angles necessarily 90°.

5 0
3 years ago
Which of the following expressions is correct?
AysviL [449]

Answer:

-7.5x3+(20+2.5)=0

this one is equal to 0 ;)

8 0
2 years ago
Help please quickly!!!!!!1
IgorLugansk [536]

Answer:

9

Step-by-step explanation:

As per the problem, the given triangle is a right triangle. This is signified by the box around one of its angles, this box states that the angle it is surrounding is a right angle.

Since it is a right triangle, one can use the Pythagorean theorem to solve this problem. The Pythagorean theorem states that; (a^2 + b^2 = c^2), where (a) and (b) are the legs of the right triangle, or the sides adjacent to the right angle. (c) is the hypotenuse or the side opposite the right angle.

Substitute in the given values and solve, note that (a) represents the unknown leg (side).

a^2 + b^2 = c^2\\\\a^2 + (\sqrt{19})^2 = (100)^2\\\\a^2 + 19 = 100

Inverse operations,

a^2 + 19 = 100\\-19\\\\a^2 = 81\\\\a = \sqrt{81}\\\\a = 9

8 0
3 years ago
A science class has 3 girls and 7 boys in the seventh grade and 4 girls and 4 boys in the eighth grade. The teacher randomly sel
Gala2k [10]

Answer:

I think it is a

Step-by-step explanation:

3 0
3 years ago
One hundred and sixty-two thousandths as a decimal​
lapo4ka [179]

Answer:

100.062

Step-by-step explanation:

100 + 62/1000 = 100 + 0.062 = 100.062

8 0
2 years ago
Read 2 more answers
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