3 years ago

How do i write an algebraic expression for 90 times x?

Mathematics

1 answer:

Anon25 [30]3 years ago

7 0

Answer:

90x

Step-by-step explanation:

times means multiply

90*x

90x

You might be interested in

The division sign and the capital letter "T", is there any rotational symmetry and how so?

kirill115 [55]

Answer:

Rotational symmetry 1

Step-by-step explanation:

You will get only one rotational symmetry when you turn 360

5 0

3 years ago

Select the equivalent expression . ( 8^ -5 2^ -2 )^ -4 =?

Vikki [24]

Answer: C

Step-by-step explanation:

When there is division inside a set of parentheses, you can distribute the power to each term. When you take a power to another power, you multiply the powers.

-5 x -4 = 20

-2 x -4 = 8

So your answer is:

$\frac{8^2^0}{2^8}$

6 0

3 years ago

Write an equation for the nth term of the geometric sequence. Then find the 7th term. 2,-6,18,-54,...

Sonja [21]

soln,

from the series,

a = 2

t2 = -6

r = t2/a

$= \frac{ - 6}{2}$

= -3

therefore, tn =

${ar}^{n - 1}$

$= {2 \times - 3}^{n - 1}$

now,

seventh term =

${2 \times - 3}^{7 - 1}$

$= {2 \times - 3}^{6}$

$= 2 \times 729$

$= 1458$

5 0

3 years ago

5/6-3/8=please help me

Yakvenalex [24]

$\frac{5}{6}-\frac{3}{8}=\\
\frac{20}{24}-\frac{9}{24}=\\
\frac{11}{24}$

8 0

3 years ago

Assessing the regression model on data other than the sample data that was used to generate the model is known as _____. Group o

kozerog [31]

Assessing the regression model on data other than the sample data that was used to generate the model is known as cross-validation

<h3>How to complete the blank?</h3>

From the question, we have the following highlights:

Sample data, not used
The model is a regression model

When the sample data is not used in a regression model, then the term is known as cross-validation.

Hence, the term that completes blank is cross-validation

Read more about regression models at:

brainly.com/question/25987747

#SPJ1

4 0

2 years ago