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Taya2010 [7]
2 years ago
10

Give the slope of a line perpendicular to y = -5 PLEASE I NEED HELP

Mathematics
1 answer:
emmainna [20.7K]2 years ago
6 0

Answer:

its undefined. sorry but i dont know how to explain this

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The circumference of a circle is 16Pi ft.<br><br> The radius is <br> ft.
mafiozo [28]
8pi ft

Just divide 16 by 2 because it’s half of the diameter
6 0
3 years ago
Solve the quadratic equation by factoring: 15x^2+4x-4=0
joja [24]
We can factor by grouping. To do so, we multiply the leading coefficient with the constant at the end. In other words, a times c (ax^2 + bx + c).

15*-4 = -60

Now we need to split the b term into two pieces that multiply to -60 and add to 4.

-6 and 10 will work.

Now group one part of b with the 15x^2 and the other part with -4.

(15x^2 + 10x) + (-6x - 4)

Now factor both terms.

5x(3x+2) - 2(3x+2)

3x+2 is one of our factors and 5x-2 is the other.

(3x+2)(5x-2)=0

Now just find the zeros.

3x+2 = 0
3x = -2
x = -2/3

And

5x-2 = 0
5x = 2
x = 2/5

So the answer is x = -2/3 and x = 2/5






7 0
3 years ago
The interior angles of a triangle have measures 90°, 48°, and xº.<br> What is the value of x?
Ahat [919]

Answer:

42°

Step-by-step explanation:

The interior angles of a triangle always add to 180 degrees.

90+48+x=180

x=180-90-48

=42

x is 42°

6 0
2 years ago
Given A = {x ∈ ℤ : 4|x} and B = {x ∈ ℤ : 2|x}. Prove A ⊆ B.
Rashid [163]

Let a ∈ A. Then a is some integer that is divisible by 4, so we can write a = 4k for some integer k.

We can simultaneously rewrite a as a = 2•2k, so 2 clearly divides a, which means a ∈ B as well.

Therefore A ⊆ B.

4 0
2 years ago
Whoever guesses my middle name right I'll give a brainest. hint: it's really basic ​
elena-14-01-66 [18.8K]

Answer:

Emma

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Ava

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Amelia

Harper

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Emily

Elizabeth

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Ella

Avery

Sofia

Camila

Aria

Scarlett

Victoria

Madison

Luna

Grace

Chloe

Penelope

Layla

Riley

Zoey

Nora

Lily

Eleanor

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Ellie

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Brooklyn

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any?

3 0
3 years ago
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