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katrin [286]
3 years ago
8

Determine if (2, 9) is a solution to the following system. y = 3x+3 y = x+9 a Yes b No

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
8 0

Answer:

B)no

Step-by-step explanation:

the correct solution is (3,12)

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Principle: $6500 Rate: 3%
Nikitich [7]

Answer:

Step-by-step explanation:

A)Initial amount deposited into the account is $6500 This means that the principal is P, so

P = 500

It was compounded daily. This means that it was compounded 360 times in a year. So

n = 360

The rate at which the principal was compounded is 3%. So

r = 3/100 = 0.03

It was compounded for 5 years. So

t = 5

The formula for compound interest is

A = P(1+r/n)^nt

A = total amount in the account at the end of t years. Therefore

A = 6500 (1+0.03/360)^360×5

A = 6500 (1+0.00008333333)^360×5

A = 6500 (1.00008333333)^1800

A = $7551.70

B) The interest earned is Total amount earned - principal. It becomes

7551.7 - 6500 = $1051.7

6 0
4 years ago
Solve for x.<br><br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B40%7D" id="TexFormula1" title="\frac{x}{40}" alt="\frac{
Rom4ik [11]

Answer:

The answer is C.

Step-by-step explanation:

In order to find x, you have to multiply both sides by 40 :

\frac{x}{40}  = 4

\frac{x}{40}  \times 40 = 4 \times 40

x = 160

6 0
4 years ago
Read 2 more answers
NEED HELP ASAP PLS WILL GIVE 50 POINTS
Zina [86]

Answer:m∠7

Step-by-step explanation: There isn't much to go off of but from my experience that is the one that is congruent with the other

I hope this helps :)

3 0
3 years ago
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Can somebody help me? The question says Eighteen more than 4 times the quantity of a number increased by 1 is 14. Find the numbe
vichka [17]
The anwser is 13 because the quantity increased by 1 is 14
3 0
3 years ago
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Help is for today!!!<br>Ayuda es para hoy.!!<br>​
lorasvet [3.4K]

Answer:

x=20 degrees

Step-by-step explanation:

So, lets recall some things.

First off, opposite angles are the same.

So this would make x equal 20.

But lets test this.

When you look at a X, or any other sort of two lines that cross each other, can you ever think of a time when one side is not the same as the other? No.

This is because when you change one angle, since the lines are crossed together, it will change the opposite angle. This change will always be constant as long as the two lines connect at the same point

So if you changed a 10 degree angle of two lines, so that it was 30, this would change for the other line.

I attached a image below.

I hope this explains this to you and helps! :D

==================================================================

Respuesta:

x = 20 grados

Explicación paso a paso:

Entonces, recordemos algunas cosas.

En primer lugar, los ángulos opuestos son iguales.

Entonces esto haría que x sea igual a 20.

Pero probemos esto.

Cuando miras una X, o cualquier otro tipo de dos líneas que se cruzan, ¿puedes pensar alguna vez en un momento en el que un lado no sea igual que el otro? No.

Esto se debe a que cuando cambia un ángulo, dado que las líneas se cruzan, cambiará el ángulo opuesto. Este cambio siempre será constante siempre que las dos líneas se conecten en el mismo punto

Entonces, si cambia un ángulo de 10 grados de dos líneas, de modo que sea 30, esto cambiaría para la otra línea.

Adjunto una imagen a continuación.

¡Espero que esto te explique esto y te ayude! :D

4 0
3 years ago
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