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puteri [66]
3 years ago
5

What is the value of 4x-7 when x=4

Mathematics
2 answers:
castortr0y [4]3 years ago
7 0
4x - 7...when x = 4....so we sub in 4 for x

4(4) - 7 =
16 - 7 =
9 <==
sesenic [268]3 years ago
7 0
4x-7
4(4)-7   (Substitute 4 for for the x-value)
16-7=9  (Solve)
Your answer is 9
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A student states that Figure JKLM is congruent to Figure PQRS. Determine if the student is correct or has made an error. ;D
lyudmila [28]

Answer:

Student has made an error

Step-by-step explanation:

If two figures are said to be congruent, this implies that area of both is same and both as exactly same or copy or each other.

But from the graph, it can be stated that height of figure JKLM is 4 units whereas that of other is 6 unit.

<em>Hence explained !</em>

4 0
3 years ago
How to rewrite expression 1.572x100 using exponential form
iren [92.7K]
Esta es la respuesta
1.572x100x
157.2x
6 0
3 years ago
Does someone know where on the quadrant go on the coordinate planes ​
stiv31 [10]

The origin is at 0 on the x-axis and 0 on the y-axis. The intersecting x- and y-axes divide the coordinate plane into four sections. These four sections are called quadrants. Quadrants are named using the Roman numerals I, II, III, and IV beginning with the top right quadrant and moving counter clockwise.

6 0
4 years ago
The world's smallest plane has a length of 12 feet and the world's longest plane has a length of 302 feet. Write an absolute val
iren [92.7K]

An absolute value equation which could represent the length of a plane is : 12 feets ≥ x ≤ 302 feets

Smallest length of a plane = 12 feets

Longest length of a plane = 302 feets

This means that the minimum length of a plane cannot be below 12 feets and the maximum length of a plane cannot be above 302 feets

Using x as the length of a plane :

To represent as an absolute value ; we use inequality :

Minimum length ≥ x ≤ maximum length

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Learn more : brainly.com/question/18109354

8 0
3 years ago
the inequality |t-57|&lt;7 describes the range of monthly average temperature, T, in Degrees Fahrenheit, for san Francisco, Cali
Y_Kistochka [10]

<u>Solution</u> is:  50\leq T\leq 64 and it means, the minimum temperature is 50° Fahrenheit and the maximum temperature is 64° Fahrenheit.

<u><em>Explanation</em></u>

Given inequality is:   |T-57|\leq 7

As this is absolute inequality, so we will get two different inequalities-- one for positive and another for negative. So.....

T-57\leq 7\\ \\ T\leq 7+57\\ \\ T\leq 64

and

-(T-57)\leq 7\\ \\ -T+57\leq 7\\ \\ -T\leq 7-57\\ \\ -T\leq -50\\ \\ T\geq 50

So, the final combined solution will be:  50\leq T\leq 64

<em>It means that the minimum temperature for San Francisco, California is 50° Fahrenheit and the maximum temperature is 64° Fahrenheit.</em>


7 0
3 years ago
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