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Ksju [112]
3 years ago
9

Pls help me with this

Mathematics
2 answers:
natima [27]3 years ago
6 0

Answer:

1. 11x + 11

2. -6x + 13

3. 4x - 16

4. x

5. 4x + 14

6. 18x - 15

yanalaym [24]3 years ago
6 0

Answer:

1. 11x +11

3. 4x - 16

5. 4x + 14

2. -9x + 16

4. x

6. 18x - 15

Step-by-step explanation:

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Find the area of the triangle. A drawing of a triangle with base of 18 inches and height of 7 inches. The area is square inches.
Citrus2011 [14]

Answer:

63

Step-by-step explanation:

First we multiply :)

18 x 7 = 126

Now we divide :)

126/2 = 63

Therefore your answer will be 63. :)

Have an amazing day!!

Please rate and mark brainliest!!

3 0
2 years ago
5(10-6)<br> 6(4+10)<br> Help me, I find the bracket confusing
ira [324]

Answer:

20

30

Step-by-step explanation:

Do 5 times ten.

5 times -6

Gives you 20

Then do 6 times 4, 6 times 10, to get the final answer of 30.

4 0
3 years ago
Read 2 more answers
Solve the system using substitution:<br> X+Y=5<br> Y=X - 9
makvit [3.9K]

Answer:

x = 7

y = -2

Step-by-step explanation:

There are 2 equations. The substitution method takes one equation and puts it into the other and solves for 1 variable. Then you take that answer and put into any one equation and solve for the other variable.

Since equation #2 is already given for y = SOMETHING, we take that something and put it into "y" of the 1st equation. Shown below:

x+y=5\\x+(x-9)=5\\x+x-9=5\\2x=5+9\\2x=14\\x=\frac{14}{2}\\x=7

We got x = 7

Now, we know from Equation #2, y = x - 9, so

y = x - 9

y = 7 - 9

y = -2

Hence,

y = -2

In coordinate pair, the answer is (7, -2)

3 0
3 years ago
What is negative 9 plus 16/7
jekas [21]

Step-by-step explanation:

-9 + 16/7 = ?

First, find out what 16/7 would make in decimal form, by dividing 16 by 7 (Use a calculator if needed)

16 / 7 = 2.3 (In estimation)

So, now you have ' -9 + 2.3 '

= -6.7

7 0
3 years ago
Read 2 more answers
I need help with this
Triss [41]
Since 12 is hypotenuse, formula we would use is:
12^2=5^2+x^2
144=25+x^2
x^2= 144-25
x^2=119
x= √119
x=10.9087
Rounded to nearest tenth,
x=10.9
Good luck.
4 0
3 years ago
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