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sineoko [7]
3 years ago
12

please help me ASAP, i’ve got SOO many lessons over due & these are why i have an F. I DONT GET THIS SHEET !

Mathematics
1 answer:
weeeeeb [17]3 years ago
6 0

Answer:

you need to use your book to find answers

Step-by-step explanation:

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How to work out 0.4x+2.9=1.5 plz show work
Nataly [62]

Answer:

x = -3.5

Step-by-step explanation:

Simplifying

0.4x + 2.9 = 1.5

Reorder the terms:

2.9 + 0.4x = 1.5

Solving

2.9 + 0.4x = 1.5

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2.9' to each side of the equation.

2.9 + -2.9 + 0.4x = 1.5 + -2.9

Combine like terms: 2.9 + -2.9 = 0.0

0.0 + 0.4x = 1.5 + -2.9

0.4x = 1.5 + -2.9

Combine like terms: 1.5 + -2.9 = -1.4

0.4x = -1.4

Divide each side by '0.4'.

x = -3.5

Simplifying

x = -3.5

5 0
3 years ago
Read 2 more answers
Find the points at which the graph of the equation -4y=15-5x crossed the x- axis and the y - axis.
Lynna [10]

Answer:

see explanation

Step-by-step explanation:

Where the graph crosses the x- axis the y- coordinate is zero.

Let y = 0 in the equation and solve for x

- 4(0) = 15 - 5x, that is

15 - 5x = 0 ( subtract 15 from both sides )

- 5x = - 15 ( divide both sides by - 5 )

x = 3 ← x- intercept ⇒ (3, 0 )

Where the graph crosses the y- axis the x- coordinate is zero.

Let x = 0 in the equation and solve for y

- 4y = 15 - 5(0), that is

- 4y = 15 ( divide both sides by - 4 )

y = - \frac{15}{4} ← y- intercept ⇒ (0, - \frac{15}{4})

8 0
3 years ago
Please help i hate geometry
blagie [28]
Answer is b hope this helps brainleist is appreciated
7 0
3 years ago
Simplify the expression by combining any like terms: x + 4x - 6y + 7y
elixir [45]

x + 4x - 6y + 7y

Simplify

5x +y

Answer: 5x + y

6 0
3 years ago
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Select Is a Function or Is not a Function to correctly classify each relation.
hjlf
1. Is a function
2. Is a function
3. Is a function
4. Is not a function
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3 years ago
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