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3 years ago

Rate conShow step by step and ASAP

Mathematics

1 answer:

Katarina [22]3 years ago

8 0

You just use what you already know. You know that 1 week is equal to 7 days so you just do 1 * 7 = 7 or 1 week. Then 54 * 7 = 378

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Find the slope of the line through each pair of points.

Lady bird [3.3K]

You can use this formula: (y1 - y2) / (x1-x2)

For example, using question 5,

(-11-16)/ [-6-(-20)]
= -17/14

Given that it is a negative number, it would mean that the line is downward-sloping.

All the best!

8 0

2 years ago

-3x+4y=7 y=3x-5 I NEED HELP PL Z HELP ME

andrew-mc [135]

$- 3x + 4y = 7 \\ y = 3x - 5$

[Substitute the given value of y into the first equation]

$- 3x + 4 \times (3x - 5) = 7$

[Distribute 4 through the parentheses]

$- 3x + 12x - 20 = 7$

[Collect like terms]

$9x - 20 = 7$

[Move the constant to the right-hand side and change its sign]

$9x = 7 + 20$

[Add the numbers]

$9x = 27$

[Divide both sides of the equation by 9]

$x = 3$

[Substitute the given value of x into the second equation]

$y = 3 \times 3 - 5$

[Multiply the numbers]

$y = 9 - 5$

[Subtract the numbers]

$y = 4$

[The possible solution of the system is the ordered pair (x,y)]

$(x,y)=(3,4)$

3 0

2 years ago

Need math genius.Forgot to post question Lol.But help plz

zlopas [31]

Answer:

150°

Step-by-step explanation:

You are given the formula for the sum of the interior angles where n is the number of sides.

Substitute 12 in:

(12-2)×180

=10×180

=1800

To find an individual angle, divide the sum by n.

1800÷12=150

7 0

3 years ago

Read 2 more answers

How do I find the slope intercept

gavmur [86]

Use the slope intercept form; y=mx+b where m is the slope and b is the y-intercept

5 0

3 years ago

Is the following shape a rectangle? How do you know?

daser333 [38]

Answer: It might be a no answer. I don't know which one. I'm so sorry if I'm wrong.

6 0

2 years ago