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Nady [450]
3 years ago
7

Help:) (no links please)!!!!

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
3 0
The answer is 9 miles!
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What is the value of minus 6(-2)cubed - 4 squared - 3(-2x4)?
iogann1982 [59]

Find the value of -6(-2)^2 - 4^2 - 3(-2x^4).

-6(-2)^2 - 4^2 - 3(-2x^4)

Multiply -6(-2)^2.

12^2 - 4^2 - 3(-2x^4)

Subtract 12^2 and -4^2.

8 - 3(-2x^4)

Distribute -3(-2x^4).

8 + 6x^4

Therefore the value of 6(-2)^2 - 4^2 - 3(-2x^4) is 8 + 6x^4.

6 0
4 years ago
What is the slant height x of the square pyramid? Enter your answer in the box, express your answer in radical form.
Nadya [2.5K]
<span> For this case we have a rectangle triangle where we know:
 hypotenuse of the triangle.
 Angle between the base of the triangle and the hypotenuse.
 We want to find the height of the triangle.
 For this, we use the following trigonometric relationship:
</span> sine (60) = x / 8&#10;
<span> From here, we clear the value of x.
 We have then:
</span> x = 8 * sine (60)&#10;&#10;x = 6.93 m<span>
 Answer:
 The inclined height of the pyramid is given by:
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3 0
3 years ago
Read 2 more answers
4) If 1 inch represents 10 miles on a map, then how many inches will<br> represent 120 miles?
navik [9.2K]

Answer:

12 inches

Step-by-step explanation:

You can use proportions to solve this:

1/10 = x/120

Cross multiply:

12 = x

8 0
3 years ago
Read 2 more answers
1) Base of an isosceles triangle is five more than three times the equal sides and perimeter of the triangle is 75 cm. Find the
Lina20 [59]

Answer:

Equal sides of triangle = 14 cm

Base of an isosceles triangle = 47 cm

Step-by-step explanation:

Given:

Perimeter of the triangle = 75 cm

Base of an isosceles triangle = five more than three times the equal side

Find:

Lengths of isosceles triangle

Computation:

Assume;

Equal sides of triangle = a

So,

Base of an isosceles triangle = 3a + 5

Perimeter of the triangle = Base of an isosceles triangle + 2[Equal sides of triangle]

Perimeter of the triangle = 3a + 5 + 2[a]

Perimeter of the triangle = 5a + 5

75 = 5a + 5

5a = 70

a = 14

Equal sides of triangle = 14 cm

Base of an isosceles triangle = 3a + 5

Base of an isosceles triangle = 3(14) + 5

Base of an isosceles triangle = 42 + 5

Base of an isosceles triangle = 47 cm

4 0
3 years ago
What do i write for my proof?
drek231 [11]

Answer:

Step-by-step explanation:

1. ABCD is a parrallelogram  1. Given

2. Opposite sides of a parrallelogram are equal 2. Definition of parrallelogram

3. < D=<B     3. Definition of Parrallelogram

6 0
3 years ago
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