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3 years ago

PLEASE HELP FIRST ONE GETS IT

Mathematics

1 answer:

Anna [14]3 years ago

5 0

Answer:x=-1

Step-by-step explanation:

To solve 6-3+4x+1=

Collect like terms

6+1-3+4x=

7-3+4x=

4=-4x

x=-1

There is one solution

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3 years ago

Help I need to know this ASAP

Tanzania [10]

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3 years ago

Wha is the nth term of 2 5 8 11 14

djyliett [7]

If you look at the sequence, you would observe:

5 - 2 = 3, 8 - 5 = 3, 11 - 8 = 3.

There is a common difference of 3, so the sequence is an Arithmetic Progression.

nth term of an AP = a + (n - 1)d

where a = 1st term = 2, d = common difference = 3

nth term of an AP = a + (n - 1)d

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= 3n - 1

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3 years ago

!!! Help ASAP please!!!!In DEF, sin D = 24/26 What is cos E?

Georgia [21]

Answer:

Step-by-step explanation:

Cosine is the ratio of "adjacent" to "hypotenuse"

With respect to the Angle E, the adjacent side is FE and the hypotenuse (always opposite side to 90 degree angle) is DE.

We are given DE = 26, but we need FE. We will solve for FE using Pythagorean Theorem, which tells us:

leg^2 + another leg^2 = hypotenuse^2

So, we will have:

10^2 + FE^2 = 26^2

Now, we solve for FE:

$10^2 + FE^2 = 26^2\\100+FE^2=676\\FE^2=576\\FE=24$

So,

Cos(E) = adj/hyp = 24/26

Correct answer is A

7 0

3 years ago