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liraira [26]
3 years ago
13

Help please !!!! !!!!!

Mathematics
1 answer:
mojhsa [17]3 years ago
4 0

Answer:

Step-by-step explanation:

(5x)^3 ⋅ (3/10)x^(-5) = 5^3⋅x^3 ⋅ (3/(2⋅5)x^(-5)

= 5^(3-1)x^(3-5)(3/2)

= 5^2x^(-2)(3/2)

= (75/2)x^(-2)

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-x + 8=25<br><br> What does the x represent
sergeinik [125]

Answer:

I love algebra anyways

The ans is in the picture with the  steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

3 0
3 years ago
PLEASE HELP ME IN BEGGING AND HURRY!!!!!!!!!!!!!!!
Oksi-84 [34.3K]

Answer:

The first graph to the left

Step-by-step explanation:

The second graph is parallel lines so they will never intersect

The third graph  one line so they are infinite solutions

The first graph will intersect at one point

7 0
3 years ago
Determine whether the polygons to the right are similar. If​ so, write a similarity statement and give the scale factor. If​ not
Tamiku [17]

Answer:

(a) Similar polygons; scale factor is 2

(b) Similar polygons; scale factor is 1.5

Step-by-step explanation:

Given

See attachment for polygons

Required

Determine if they are similar or not

Solving (a): The triangle

The angles in both triangles show that the triangles are similar

To calculate the scale factor (k), we simply take corresponding sides.

i.e.

k = \frac{DF}{BA} = \frac{FE}{AC} = \frac{DE}{BC}

k = \frac{6}{3} = \frac{8}{4} = \frac{10}{5}

k = 2=2=2

k = 2

<em>The scale factor is 2</em>

<em />

Solving (b): The trapezium

The angles in both trapeziums show that the trapeziums are similar

To calculate the scale factor (k), we simply take corresponding sides.

i.e.

k = \frac{KN}{GJ}

k = \frac{6}{4}

k = 1.5

<em>The scale factor is 1.5</em>

6 0
3 years ago
Given the function h of x equals negative 2 times the square root of x, which statement is true about h(x)?
gavmur [86]

Using translation concepts, it is found that the correct statement about h(x) is:

The function is decreasing on the interval (0, ∞).

<h3>What is a translation?</h3>

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

In this problem, the parent function is:

f(x) = \sqrt{x}

Which is increasing on (0, ∞).

After the translation, the function is:

h(x) = -2\sqrt{x}

It was multiplied by a negative number, which means that it was reflected over the x-axis, and it will be decreasing on the interval (0, ∞).

More can be learned about translation concepts at brainly.com/question/4521517

7 0
2 years ago
309,099,990 expanded form
Marrrta [24]
Three hundred nine million ninety nine thousand nine hundred and ninety.
5 0
3 years ago
Read 2 more answers
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