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andrey2020 [161]
3 years ago
8

What are the solutions to m2 - 9 = 0?

Mathematics
1 answer:
kolezko [41]3 years ago
3 0

Answer:

m=3 and m=-3

Step-by-step explanation:

m^2 = 9

m = square root of 9

Since a positive or negative number squared produce a positive value, the answer is either positive or negative.

You might be interested in
Quadrilateral RPQS is a rectangle. Label the missing measures.
Taya2010 [7]

Answer:

Part 1) PR=9\ units

Part 2) PQ=12\ units

Part 3) PS=15\ units

part 4) QR=15\ units

Part 5) RT=7.5\ units

Step-by-step explanation:

we know that

In a rectangle opposite sides are parallel and congruent

The measure of each interior angle is 90 degrees

The diagonals are congruent and bisect each other

step 1

Find the length of side PR

we know that

PR=QS ----> by opposite sides

we have

QS=9\ units

therefore

PR=9\ units

step 2

Find the length of side PQ

we know that

PQ=RS ----> by opposite sides

we have

RS=12\ units

therefore

PQ=12\ units

step 3

Find the length of diagonal PS

we know that

PS=2PT---> the diagonals bisect each other

we have

PT=7.5\ units ---> given problem

therefore

PS=2(7.5)=15\ units

step 4

Find the length of diagonal QR

we know that

QR=PS---> the diagonals are congruent

we have

PS=15\ units

therefore

QR=15\ units

step 5

Find the length of RT

we know that

QR=2RT---> the diagonals bisect each other

we have

QR=15\ units

substitute

15=2RT\\RT=7.5\ units

7 0
3 years ago
Does 6 to 10 and 15 to 25 make a proportion ?
Kisachek [45]

Answer:

Yez

Step-by-step explanation:

Yes

5 0
3 years ago
Read 2 more answers
3. Evaluate a + b for a = -46 and b= 34.<br> A:-12<br> B:80<br> C:-80<br> D:12
blsea [12.9K]

Answer:

<h2>A: -12</h2>

Step-by-step explanation:

Put the values of a = -46 and b = 34 to the expression a + b:

-46 + 34        <em>use the commutative property a + b = b + a</em>

= 34 + (-46) = 34 - 46 = -12

4 0
3 years ago
Evaluate:<br> -19 - (-10) + (20) - (30) - (-15)
Kaylis [27]

Answer:

-4

Step-by-step explanation:

-19 - (-10) + (20) - (30) - (-15)

A negative negative is a positive

-19 +10 + (20) - (30) +15

-19+10 = -9

-9+ (20) - (30) +15

-9+20 = 11

11-30+15

-19+15

-4

4 0
4 years ago
Read 2 more answers
Find the equation of the line passing through the points (15,-25) and (-12,11). Write your answer in the form of y=mx+b
schepotkina [342]
(15,-25)(-12,11)
slope = (11 - (-25) / (-12 - 15) = - 36 / 27 which reduces to - 4/3

y = mx + b
slope(m) = -4/3
use either of ur points (15,-25)...x = 15 and y = -25
now we sub and find b, the y int
-25 = -4/3(15) + b
-25 = - 20 + b
-25 + 20 = b
-5 = b

so ur equation is : y = -4/3x - 5 <==
3 0
4 years ago
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