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Nuetrik [128]
2 years ago
6

HELP YALL HELP PLEASE ​

Mathematics
1 answer:
kumpel [21]2 years ago
7 0

Answer:

66 ur welcome

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8 sandwiches cost £18.40<br> Find the cost of 5 sandwiches.
Eduardwww [97]

Answer:

11.5

because

8 18.40

5 ?

5×18.40=92

92÷8=11.5

7 0
1 year ago
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Choose the equation below that represents the line passing through the point (-2, -3) with a slope of -6. (1 point)
wolverine [178]

Answer:

the last one

Step-by-step explanation:

plug in -2 for x and -3 for y

8 0
2 years ago
What's the ordered pair for point H in the graph above?
Bumek [7]

Answer:

C) (5,0)

Step-by-step explanation:

1. The correct answer is C) because when we move five units to right from the origin, and zero units up, we end up at point H!

6 0
2 years ago
What are the solutions to the equation?<br> 7x^3=28x
11Alexandr11 [23.1K]

7x³ = 28x is our equation. We want its solutions.

When you have x and different powers, set the whole thing equal to zero.

7x³ = 28x

7x³ - 28x = 0

Now notice there's a common x in both terms. Let's factor it out.

x (7x² - 28) = 0

As 7 is a factor of 7 and 28, it too can be factored out.

x (7) (x² - 4) = 0

We can further factor x² - 4. We want a pair of numbers that multiply to 4 and whose sum is zero. The pairs are 1 and 4, 2 and 2. If we add 2 and -2 we get zero.

x (7) (x - 2) (x + 2) = 0

Now we use the Zero Product Property - if some product multiplies to zero, so do its pieces.

x = 0        -----> so x = 0

7 = 0       -----> no solution

x - 2 = 0   ----> so x = 2   after adding 2 to both sides

x + 2 = 0  ---> so = x - 2  after subtracting 2 to both sides


Thus the solutions are x = 0, x = 2, x = -2.

6 0
3 years ago
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