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Evgesh-ka [11]
2 years ago
5

Help help help help help plz

Mathematics
2 answers:
denis-greek [22]2 years ago
8 0
2 (5x + 4/2) = 7(2)
10x + 8/ 2 = 14
10x + 8 = 14 x 2
10x + 8 = 28
10x = 28 - 8
10x = 20
x = 20/10
x = 2
sweet-ann [11.9K]2 years ago
7 0

Answer:

22 1/2

Step-by-step explanation:

try it

You might be interested in
4 multiple ( 2+3) square 2
shtirl [24]

Answer:

100

Step-by-step explanation:

4 x (2 + 3)^{2}

  for this equation u have to use PEMDAS so u have to solve the parenthesis first which is 5 then exponets which is 5^{2} which is 25 and 24 x 4 gives you 100

hope this helps, if im wrong sorry

7 0
2 years ago
Read 2 more answers
Two gears are connected and are rotating simultaneously. The smaller gear has a radius of 4 inches, and the larger gear has a ra
pychu [463]
Draw a diagram to illustrate the problem as shown below.

When the smaller gear rotates through a revolution, it sweeps an arc length of
2π(4) = 8π inches.

Part 1
The same arc length is swept by the larger gear. The central angle of the larger gear, x, is
7x = 8π
x = (8π)/7 radians = (8π)/7 * (180/π) = 205.7°

Answer: 205.7° (nearest tenth)

Part 2
When the larger gear makes one rotation, it sweeps an arc length of 
2π(7) = 14π inches.
If the central angle for the smaller gear is y radians, then
4y = 14π
y = 3.5π radians = (3.5π)/2π revolutions = 1.75 revolutions

Answer:
The smaller gear makes 1.75 rotations

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%7B2%7D%5E%7Bm%7D%20%20%3D%20n%20" id="TexFormula1" title=" {2}^{m} = n " alt=" {2}^{m} =
sveta [45]

Answer:

\displaystyle n^3-\frac{1}{n^{2}}

Step-by-step explanation:

<u>Exponents Properties</u>

We need to recall the following properties of exponents:

(a^x)^y=(a^y)^x=a^{xy}

\displaystyle a^{-x}=\frac{1}{a^x}

We are given the expression:

2^m=n

We need to express the following expression in terms of n.

8^m-4^{-m}

It's necessary to modify the expression to use the given equivalence.

Recall 8=2^3 \text{ and }4 = 2^2. Thus:

(2^3)^m-(2^2)^{-m}

Applying the property:

(2^m)^3-(2^m)^{-2}

Substituting the given expression:

n^3-n^{-2}

Or, equivalently:

\mathbf{\displaystyle 8^m-4^{-m}= n^3-\frac{1}{n^{2}}}

5 0
2 years ago
Find the distance between the two points.
zlopas [31]

Answer:

Its 6 units away

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
In
Murrr4er [49]
The correct answer is option 1: g(x) = f(x +3). It represents a horizontal transformation of 3 units to the left.
6 0
2 years ago
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