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melisa1 [442]
3 years ago
15

If you divide 30 by half and add ten, what do you get?

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
5 0

Answer:

70

Step-by-step explanation:

Dividing is multiplying by the reciprocal.

So 30 divided by 1/2

is like 30(2)=60

Then add 10 so 60+10=

70

mylen [45]3 years ago
5 0

Answer:

70

Step-by-step explanation:

 30

------- + 10 = 60 + 10 = 70

(1/2)

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4 0
2 years ago
How can you show that a triangle has three congruent sides?
algol [13]
There are 4 rules for congruent triangles:

SSS-->This means side,side,side and to prove triangles are congruent with this rule, all the sides will be the same on both triangles.
SAS-->This means side,angle,side and to prove triangles are congruent, you must have 2 sides and an angle the same on both triangles, but the angle MUST be in between the 2 sides.
ASA-->This means angle, side, angle and to prove triangles are congruent with this rule, you must have two angles and a side the same, but the side MUST be in between the two angles.
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7 0
3 years ago
What is t+8=15 write how u found out show ur work thanx plz hellppppp
Pachacha [2.7K]

The answer is the number that 't' must be in order for the equation
to be a true statement.

Here's how to find it:

Write                                             t + 8 = 15

Then subtract 8 from each side:  <em>  t      =  7</em>


8 0
3 years ago
Read 2 more answers
What adds to 50 and multiplies to 70
kozerog [31]
Im thinking 10 because 10+40=50 and 10x7=70

5 0
3 years ago
Read 2 more answers
I need help on this question, not to good with graph. Anybody help pleaseee!!
LenKa [72]

y = -3x - 2

Since a < 0 we have a decreasing line, so it can be only the first or the last

And if we solve the equation for y = 0 we have

0 = -3x - 2

3x = -2

x = -2/3

So, the last one is the right

3 0
3 years ago
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