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kogti [31]
3 years ago
7

Help me i need it right now pls

Mathematics
2 answers:
Soloha48 [4]3 years ago
6 0

Answer:

i dont know sorry

Step-by-step explanation:

Alchen [17]3 years ago
6 0
For the ones with x, add up both expressions and set them equal to 90° and solve for x. For the ones with the missing angles, do 90-(given angle) = missing angle
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Can someone help me please.... with number 6,7,8,9
Alenkasestr [34]

Answer :

6. x=28

7.x =6

8. x =9

9. x =9

Step-by-step explanation:

\frac{x + 2}{10}  = 3

x + 2 = 3 \times 10 \\ x + 2 = 30 \\ x = 30 - 2 \\ x = 28

6.

(x+2)/10 = 3

Cross multiply

x+2 = 10 ×3

x+2 =30

Collect like terms and simplify

x =30-2

x = 28

7.

8x + 9 - 5x = 27 \\ 8x - 5x = 27 - 9 \\ 3x = 18

\frac{3x}{3}  =  \frac{18}{3}  \\x  = 6

8x +9 -5x= 27

Collect like terms and simplify

8x-5x =27-9

3x =18

Divide both sides of the equation by 3

3x/3 = 18/3

x = 6

8.

10x+8=8x+26

Collect like terms

10x-8x=26-8

2x = 18

Divide both sides of the equation by 2

2x/2 = 18/2

x = 9

9.

2(x-5)+4x=x+35

Use 2 to open the bracket

2 × x =2x

2×(-5) =-10

2x-10+4x =x+35

Collect like terms and simplify

2x+4x-x = 35+10

5x = 45

Divide both sides of the equation by 5

5x/5 = 45/5

x =9

7 0
4 years ago
Is y=19 a solution to the equation 2y=38
labwork [276]
Yes. just multiply 2x19= 38
4 0
3 years ago
Factorize the following<br> 2x+10
zavuch27 [327]

Answer:

2 ( x + 5 )

Step-by-step explanation:

Factor  2  out of  2 x + 10

.

6 0
3 years ago
32. Which side of the triangle in the diagram is the hypotenuse?<br> A. X<br> B. Y<br> C. Z
Gwar [14]
Hypothenuse is the longest side
You can see the X is the longest

Solution: A. X
8 0
3 years ago
Read 2 more answers
Evaluate the function at the indicated values. (If an answer is undefined, enter UNDEFINED.) f(x) = 8x + 9 f(1) = f(−2) = f 1 2
creativ13 [48]

Answer:

f(1)=17

f(-2)=-7

f(\frac{1}{2})=13

Step-by-step explanation:

We are given that a function f(x)=8x+9

We have to evaluate f(1),f(-2) and f(\frac{1}{2})

Substitute x=1 in the given function  then we get

f(1)=8(1)+9=17

f(1)=17

Substitute x=-2 in the given function then we get

f(-2)=8(-2)+9=-16+9=-7

f(-2)=-7

Substitute x=\frac{1}{2}

Then we get

f(\frac{1}{2})=8(\frac{1}{2})+9=4+9=13

f(\frac{1}{2})=13

7 0
3 years ago
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