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3 years ago

Find the 21st term: 19, 25, 31, 37…..

2 answers:

6 0

Well because each term is increasing by 6 at a time, we just have to do that 20 times saying that 19 is the value of our 1st term. If we multiple 6 by 20 and add it to 19, we will get our 21st term. 6 times 20 is 120, if we add 19, it is 139.

139 is the 21st term.

iragen [17]3 years ago

3 0

43 because you add 6 to each one

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4 years ago

4x - 2y = -8 y = 2x + 4 Need help show work

Kruka [31]

Answer:

4x - 2y = -8--------equation 1

y = 2x + 4

or, -2x+y=4---------equation 2

multiply equation 2 by 2 and solving equation 1and2 we get,

4x - 2y = -8

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3 years ago

What is the area of this polygon in square units ?

Maru [420]

Answer:

9 units²

Step-by-step explanation:

This is a trapezium.

The length of the two parallel lines (on top and bottom) are 5 units and 1 units.

The height of the trapezium is 3 units. Using these information, we can apply the formula for area of trapezium to find the answer.

Area = 1/2 (5 + 1) x 3 = 9 units²

7 0

3 years ago

The United States has 12,383 miles of coastline. If 0.8% of the coaatline is located in Georgia, about how many miles of coastli

m_a_m_a [10]

12,383*0.8% = 99.064

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8 0

3 years ago

A factory produces widgets whose length must be within 1.5 mm of an ideal length of 47 mm. A factory supervisor wants to mark ru

Nat2105 [25]

Using absolute value, it is found that:

The situation is described by the following equation: $|l - 47| = 1.5$
The markings should be between 45.5mm and 48.5mm.

---------------------------

The definition of the absolute value function is as follows:

$|x| = x, x \geq 0$

$|x| = -x, x < 0$

----------------------------

The length should be set to 47mm with an allowance of 1.5mm, which means that the absolute value of the difference between the length and 47 should be 1.5, thus:

$|l - 47| = 1.5$

----------------------------

The solutions are:

$l - 47 = -1.5 \rightarrow l = 45.5$

$l - 47 = 1.5 \rightarrow l = 48.5$

The markings should be between 45.5mm and 48.5mm.

A similar problem is given at brainly.com/question/24514895

3 0

3 years ago