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laila [671]
3 years ago
13

Which shows two expressions that are equivalent to (-7)(-15)(-5)?

Mathematics
1 answer:
Svet_ta [14]3 years ago
3 0
Your correct answer will be...D
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Help me pls i need this right neow
faust18 [17]

Answer:

136

Step-by-step explanation:

A = (b1 + b2)h/2

A = (22 cm + 12 cm)(8 cm)/2

A = 136 cm^2

3 0
3 years ago
A searchlight is shaped like a parabola. If the light source is located 3 feet from the base along the axis of symmetry and the
Elis [28]

9514 1404 393

Answer:

  8√3 ≈ 13.86 ft

Step-by-step explanation:

The light source is usually placed at the focus, so the focus-vertex distance is p=3 ft. The equation for the parabola with its vertex at the origin is ...

  y = 1/(4p)x^2

  y = 1/12x^2

The opening for some y-value extends ±x from the axis of symmetry, so is a total of 2x in width.

For y=4, the corresponding value of x is ...

  4 = 1/12x^2

  48 = x^2

  √48 = x = 4√3

Then the width of the searchlight opening is ...

  2(4√3 ft) = 8√3 ft ≈ 13.86 ft

5 0
3 years ago
I need help w/ these two problems if you don't mind.
dusya [7]
The answers would be a and then ctell me if you need an explaination

4 0
3 years ago
Read 2 more answers
What is u^+6u-27 factoring
MissTica
U² + 6u - 27
u² + 9u - 3u - 27
(u - 3)(u + 9)
7 0
3 years ago
Which person is automatically entitled to United States citizenship?
Feliz [49]

Answer: C, a woman whose father was a United States citizen

Step-by-step explanation: Your siblings do not affect your citizenship, so A is incorrect.

As for B, you need to go through a ton of legal stuff to become a citizen if you are born in a different country. D is incorrect because it legit makes zero sense. If you're from a country the US dislikes, it'll be even harder to become a citizen

5 0
3 years ago
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