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3 years ago

6th grade math i mark as brainliest

Mathematics

1 answer:

Maslowich3 years ago

8 0

9514 1404 393

Answer:

8, 9. Correct

10. 6.1×t

Step-by-step explanation:

8, 9. The answers shown are correct.

10. The only product in the given expression is 6.1t, which can be written as ...

6.1×t

when a symbol is used to represent multiplication.

The parts of the product are the multiplicand and the multiplier. Those parts are also called factors.

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Triangle mid-segment ???

adoni [48]

Answer:

Step-by-step explanation:

The midsegment is always half as long as the base, so

2(6 + 4x) = 5x + 24

12 + 8x = 5x + 24

3x = 12

x = 4

Replace the 4 in for x,

6 + 4(4) = 22

8 0

2 years ago

What is 0.4to the power of 6

maxonik [38]

0.4^6 is 0.004096

hope it helps

7 0

3 years ago

Read 2 more answers

Which two methods can you use to solve any quadratic equation?

Evgesh-ka [11]

Answer:

Factorization method 2. Completing square method 3. Formula method 4.

Methods to Solve the Quadratic Equations. There are some methods to solve the quadratic equation. They are, 1. Factorization method 2. Completing square method 3. Formula method 4. Graphical Method. Solving Quadratic Equation by Factorization Method

5 0

3 years ago

Find the expansions of sin⁡5θ and cos⁡5θ in terms of sin⁡θ and cos⁡θ.

qwelly [4]

$\bf \textit{quad-angle identities}\\\\\\

cos(4\theta)=8cos^4(\theta)-8cos^2(\theta)+1
\\\\\\
sin(4\theta)=
\begin{cases}
8sin(\theta)cos^3(\theta)-4sin(\theta)cos(\theta)\\\\
4sin(\theta)cos(\theta)-8sin^3(\theta)cos(\theta)
\end{cases}\\\\
-----------------------------\\\\
$

$\bf sin(5\theta)\iff sin(4\theta + \theta)
\\\\\\
sin(4\theta)cos(\theta)+cos(4\theta)sin(\theta)
\\\\\\\
[4sin(\theta)cos(\theta)-8sin^3(\theta)cos(\theta)]cos(\theta)\\\\ + [8cos^4(\theta)-8cos^2(\theta)+1]sin(\theta)$

$\bf -----------------------------\\\\
cos(5\theta)\iff cos(4\theta + \theta)
\\\\\\
cos(4\theta)cos(\theta)-sin(4\theta)sin(\theta)\\\\\\\
[8cos^4(\theta)-8cos^2(\theta)+1]cos(\theta)\\\\
-
[4sin(\theta)cos(\theta)-8sin^3(\theta)cos(\theta)]sin(\theta)$

distribute... and simplify :)

4 0

3 years ago

Tell whether the sequence is arithmetic. If it is, what is the common difference? (1 point)

larisa [96]

Since an arithmetic sequence is a sequence of numbers and the difference of any two successive members of the sequence is a constant

So this question is arithmetic because it keep minus by 7

from 19 - 7 = 12

12 - 7 = 5

5 - 7 = -2

so common difference is -7

or you can check with arithmetic formular as

$a_{n}$ = $a_{1}$ + (n−1)d

I will just put in the 4th term which is -2 and n will equal to 4

and $a_{1}$ is the 1st term which is 19

-2 = 19 + (4−1)d

-2 - 19 = 3d

d = $\frac{-21}{3}$

d = -7

7 0

3 years ago

6th grade math i mark as brainliest​

6th grade math i mark as brainliest