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pantera1 [17]
3 years ago
6

Plz help!!! Will mark brainliest if answer is correct. FIND M

Mathematics
2 answers:
expeople1 [14]3 years ago
7 0

Answer:

9.3 or 9 and 1/3

Step-by-step explanation:

2x+x=3x

14+7=28

3x=28

28/3=9.3 or 9 and 1/3

lesya [120]3 years ago
3 0
Both angles are complementary and add up to 90 degrees. If you do that in an equation it should be like this:

2x + 14 + x + 7 = 90

Simplify:

3x + 21 = 90
3x = 69
X = 23

Now just plug that into angle CBD and you get:

2(23) + 14 = y
46 + 14 = y
60 = y

Angle CBD is 60 degrees
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Write and evaluate the expression. Then, check all that apply.
dlinn [17]

Answer:

a-90

=102-90

=12

8 0
3 years ago
en una balansa de platillos esta equilibrada, en uno de los platillos hay una piedra, una pesa de un noveno kilogramos y la otra
Komok [63]

Se escribe una equacion y se resolve.

Vamos a usar x para representar el peso de la piedra.

En en platillo que tiene la piedra, el peso total es: x + 1/9 + 2/3

En el otro platillo: 1/2 + 1/3

La balanza esta equilibrada por eso los pesos en los platillos son iguales.

x + 1/9 + 2/3 = 1/2 + 1/3

x + 2/18 + 12/18 = 9/18 + 6/18

x + 14/18 = 15/18

x = 1/18

Respuesta: La piedra pesa un octavo de kilogramo.

3 0
3 years ago
Read 2 more answers
Hi there!
ExtremeBDS [4]
The answer is in my attachment

6 0
3 years ago
I NEED AN ANSWER ASAP GIVING 20 POINTS FOR IT!!
DanielleElmas [232]
It’s 60 4x6=24x 2.5=60
4 0
3 years ago
Read 2 more answers
Charlie's weight is nine kilograms greater than his brother's. Together they weigh 99 kilograms. Let x represent the weight of t
spayn [35]
C=x+9, c+x=99, c=99-x

So we have two equations equal to c, c=x+9 and c=99-x, since c=c:

x+9=99-x

2x+9=99

2x=90

x=45, and since c=x+9, c=54

So Charlie weighs 54 kg and his brother weighs 45 kg.
4 0
3 years ago
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