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3 years ago

Help as quick i will give brainliest

Mathematics

2 answers:

Tamiku [17]3 years ago

8 0

In absolute value bars the number in there turns positive so

x is less than 7

which means that
A, B, and C all apply

ladessa [460]3 years ago

7 0

Answer:

B I TOOK TEST LITARLY 5 MINTUES AGO LOOOOL THIS UNIT IS ACTUALLY SO BORING!! LOL HAHHAHAAbut yueah i ts b

Step-by-step explanation:

You might be interested in

12 divided by 479, make sure to show your work.<br><br><br> x+7=2x Please Solve

Dmitriy789 [7]

12/479
0.025

x+7=2x

Take x right

2x-x=7
x=7

7 0

2 years ago

Find the perimeter of a parallelogram whose base is 8cm and another side is 12cm

lidiya [134]

A parallelogram

P=2(a+b)

The answer is 64

P=2(a+b)=2·(24+8)=64

6 0

3 years ago

75=0.25 X 1.33N<br> How do you solve for N

kakasveta [241]

Answer:

N=625/3

Step-by-step explanation:

1) 0.25 ⋅ 1.44N=75

2) 0.36N=75

3) 0.36N/0.36 = 75/0.36

4) N= 625/3

Hope that helps

Have a good day

5 0

3 years ago

Read 2 more answers

Solve the following system of linear equations: 3x1+6x2+6x3 = -9 -2x1–3x2-3x3 = 3 If the system has infinitely many solutions, y

choli [55]

Answer:

The set of solutions is $\{\left[\begin{array}{c}x\\y\\z\end{array}\right]=\left[\begin{array}{c}12\\-7-r\\r\end{array}\right]: \text{r is a real number} \}$

Step-by-step explanation:

The augmented matrix of the system is $\left[\begin{array}{ccccc}3&6&6&-9\\-2&-3&-3&3\end{array}\right]$ .

We will use rows operations for find the echelon form of the matrix.

In row 2 we subtract $\frac{2}{3}$ from row 1. (R2- 2/3R1) and we obtain the matrix $\left[\begin{array}{cccc}3&6&6&-9\\0&1&1&-7\end{array}\right]$
We multiply the row 1 by $\frac{1}{3}$ .

Now we solve for the unknown variables:

$x_2+x_3=-7$ , $x_2=-7-x_3$
$x_1+2x_2+2x_3=-2$ , $x_1+2(-7-x_3)+2x_3=-2$ then $x_1=12$

The system has a free variable, the the system has infinite solutions and the set of solutions is $\{\left[\begin{array}{c}x\\y\\z\end{array}\right]=\left[\begin{array}{c}12\\-7-r\\r\end{array}\right]: \text{r is a real number} \}$

6 0

3 years ago

Given that S is the centroid of triangle MNO, find SQ.

AnnZ [28]

Answer:

|SQ|=5

Step-by-step explanation:

If S is the median, then OP is a median of triangle OMN.

This implies that:

|MP|=|NP|

$3x-4=x+4$

We group like terms and solve for x.

$3x-x=4+4$

$\implies 2x=8$

$\implies x=4$

Now we know that: MN:SQ=2:1

But MN=2x+2

This implies that:

2x+2:SQ=2:1

Put x=4

2(4)+2:SQ=2:1

10:SQ=2:1

Therefore |SQ|=5

7 0

3 years ago