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3 years ago

PLEASE HELP ME NO BOTS PLZ

Mathematics

1 answer:

mixas84 [53]3 years ago

4 0

Answer:

x + 4 = 8 is correct answer

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Solve these simultaneous equations.<br> 4x – 7y = – 5<br> 3x – 2y = – 7<br> Solution: x=

AlexFokin [52]

Answer:

$\huge{x = - \frac{5}{4} + \frac{7}{4} y}$
$\huge{x = - \frac{7}{3} + \frac{2}{3} y}$

Step-by-step explanation:

1. $4x - 7y = - 5$

$4x = - 5 + 7y$

$\boxed{\green{x = - \frac{5}{4} + \frac{7}{4} y}}$

$y E R$

○○•○○

2. $3x - 2y = - 7$

$3x = - 7 + 2y$

$\boxed{\green{x = - \frac{7}{3} + \frac{2}{3} y}}$

$y E R$

5 0

3 years ago

Find the solutions to the equation by completing the square. x2-6x=7

lianna [129]

Subtract 7 from both sides

x^2 - 6x - 7 = 7 - 7

Simplify

x^2 - 6x - 7 = 0

Answer :

The final solutions to the quadratic equation are:

x = 7, -1

3 0

3 years ago

How many terms are in 10y2-3y+8

Sergio [31]

Hi student, let me help you out! :)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

We are asked to find how many terms are in $\pmb{10y^2-3y+8}$ .

$\triangle~\fbox{\bf{KEY:}}$

A term is a thing that's added or subtracted.

So let's compute the number of terms in this expression.

The first term is $\pmb{10y^2}$ .

Is anything added or subtracted from 10y²?

Sure! $\pmb{-3y}$ is subtracted from 10y².

Also, 8 is added to -3y.

Thus, this expression has 3 terms.

Hope it helps you out! :D

Ask in comments if any queries arise.

#StudyWithBrainly

~Just a smiley person helping fellow students :)

4 0

2 years ago

Lol... sorry not sorry

Degger [83]

Answer:

0.46 meters

Step-by-step explanation:

just devide 46 by 100 (because it's1%), the metric system is quite easy to use

6 0

3 years ago

3x+26=2x+18 find x <br> sjejejejsjsjjejejeje

IgorLugansk [536]

Answer:

Subtract 26 from both sides 3x+26=2x+18 3x+26-26 = 2x + 18 -26

8 0

2 years ago