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3 years ago

HELP ASAP!!!!! PLEASE

Mathematics

1 answer:

german3 years ago

8 0

Answer: imma say A

Step-by-step explanation: sorry if wrong

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Help me for number 14 & 15

Hoochie [10]

#15 50y+10 is the answer

7 0

3 years ago

WILL GIVE BRAINLIEST!!

My name is Ann [436]

Answer:

1. x = 1 over 2 or you can simplify by writing x = 0.5

2.x = -1 over 3 or x= -0.3

3.x = -17

4.x = 9

5.x = 7

6.-4 over 9 or x = -0.4

7.x = 1 over 10 or x = 0.1

8.x = 1 over 4 or x = 0.25

9.x = -1

10.x = 13

hope this helps! :-)

6 0

3 years ago

All quadrilaterals have at least one pair of congruent sides.

velikii [3]

It’s D. Or C.
I think it s D.

8 0

3 years ago

One cubic meter (1.0 m3) of aluminum has a mass of 2700 kg, and a cubic meter of iron has a mass of 7860 kg.. Find the radius of

Firdavs [7]

4/3 · 2.57³ π · 7,860 = 4/3 · r³ π · 2,700 / : 4/3 π
2.57³ · 7860 = r³ · 2,700
r³ = 2.57³ · ( 7,860 : 2.700 ) = 2.57³ · 2.911111... /∛
r ≈ 2.57 · 1.428 = 3.67 cm
Answer: Radius of a solid aluminium sphere is 3.67 cm.

3 0

3 years ago

Given ABC=65 and BCD=105. Is it possible that Line AB intersects line CD

levacccp [35]

Given:

$m\angle ABC=65^\circ$

$m\angle BCD=105^\circ$

To find:

Whether it is possible that Line AB intersects line CD.

Solution:

We have,

$m\angle ABC=65^\circ$

$m\angle BCD=105^\circ$

The angles $m\angle ABC$ and $m\angle BCD$ are same sided interior angles.

If two lines are parallel and a transversal line intersect them, then the same sided interior angles are supplementary angles and their sum is 180 degrees.

$m\angle ABC+m\angle BCD=65^\circ+105^\circ$

$m\angle ABC+m\angle BCD=170^\circ$

$m\angle ABC+m\angle BCD\neq 180^\circ$

So, the lines AB and CD are not parallel to each other.

Therefore, the intersection of lines AB and CD is possible.

6 0

3 years ago