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tatiyna
3 years ago
8

What is the first step to solving this equation?

Mathematics
1 answer:
Montano1993 [528]3 years ago
6 0

Answer:

a

Step-by-step explanation:

subtract 6 from both sides

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Solve for x to the nearest ten
swat32

Answer:

in right angled triangle ABC

by using Pythagoras law

h²=p²+b²

x²=7²+10²

x=√149=12.21cm

5 0
2 years ago
Solve the simultaneous equations: <br> 5x + 2y = 17<br> 4x + y = 10
erik [133]

Answer:

(1, 6 )

Step-by-step explanation:

5x + 2y = 17 → (1)

4x + y = 10 → (2)

Multiplying (2) by - 2 and adding to (1) will eliminate the y- term

- 8x - 2y = - 20 → (3)

Add (1) and (3) term by term to eliminate y

- 3x + 0 = - 3

- 3x = - 3 ( divide both sides by - 3 )

x = 1

Substitute x = 1 into either of the 2 equations and solve for x

Substituting into (1)

5(1) + 2y = 17

5 + 2y = 17 ( subtract 5 from both sides )

2y = 12 ( divide both sides by 2 )

y = 6

solution is (1, 6 )

8 0
2 years ago
Which of the following expressions can be used to calculate the slope of a line passing through (x1,y1) and (x2,y2)?
Ganezh [65]

Answer:

Option d.

y2-y1/X2-X1

Step-by-step explanation:

I hope it helped U

stay safe stay happy

6 0
3 years ago
What can be concluded from the information on the graph?
babymother [125]
C- the submarine went further down 1 to 3 meters in 1 second if you look at the line-
7 0
3 years ago
Read 2 more answers
you are given that 4a - 2b =10 and a + c = 3. write an expression in a, b and c that is equal to 23. give your answer in its sim
uysha [10]
4a - 2b = 10
a + c = 3 so a = 3 - c and c = 3 - a

4(3 - c) - 2b = 10
12 - 4c - 2b = 10
-4c -2b = -2
2c - b = 1

That’s all I have so far :/
8 0
3 years ago
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