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ANEK [815]
2 years ago
7

PLEASE HELP ASAP, HAVE TO TURN IN! I only need help with the first equation.

Mathematics
1 answer:
Gennadij [26K]2 years ago
8 0

Answer:

x1 = 0, x2 = -7

Step-by-step explanation:

...........

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Find the value of X.
zhuklara [117]

Answer:

15

Step-by-step explanation:

use pathagorean theorem

6 0
2 years ago
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Find the sum of the first 35 terms of the following series, to the nearest integer.<br> 3, 11, 19...
Tems11 [23]
<h3>Answer:   4865</h3>

=======================================================

Explanation:

The sequence {3,11,19,...} is arithmetic since we are adding 8 to each term to get the next one

  • 3+8 = 11
  • 11+8 = 19

etc. This means the common difference is d = 8.

The first term is a = 3

Let's use this formula

S = n*(2*a + d(n - 1) )/2

so we can find the sum of the first n terms. In this case, n = 35

So,

S = n*(2*a + d(n - 1) )/2

S = 35*(2*3 + 8(35 - 1) )/2

S = 35*(6 + 8(34))/2

S = 35*(6 + 272)/2

S = 35*(278)/2

S = 35*139

S = 4865

4 0
3 years ago
Find the area of the shaded region in each of the following.​
zysi [14]

Answer:

Step-by-step explanation:

a) A = ½(5 - -1)(5) = 15 units²

b) A = ½(4 - 2)(4) = 4 units²

c) A = ½(6 - -3)(3) = 13.5 units²

d) A = ½(4 - -1)(8) = 20 units²

5 0
2 years ago
Is 8:10 equivalent to 9:12
vesna_86 [32]

Answer:

No they are not equal

Step-by-step explanation:

4 0
2 years ago
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Which statement correctly describes a net?
charle [14.2K]
<h2>Answer:</h2>

A) A net is a two-dimensional pattern for a solid.

<h2>Step-by-step explanation:</h2>

In fact, a net is a two-dimensional pattern for a solid. But what is a solid? They are three-dimensional shapes. Prisms, cubes, pyramids, among others, are examples of solids. For example, the first figure below is a net because is a two dimensional patter for a pyramid which is shown in the second figure. As you can see, the first figure is a two-dimensional patter for this three-dimensional shape. Hence, by unfolding the pyramid we get the net or, in other word, by folding the net we get the pyramid.

3 0
3 years ago
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