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3 years ago

Is -2.5 rational or irrational

2 answers:

7 0

Rational because it can be read as a decimal.
Remember: rational numbers can be read as a whole number, fraction and decimal (even if it’s terminated or repeated with the same number at the end)
Irrational numbers are infinite numbers that cannot be read and they do not repeat over and over within a pattern.
Example the square root of 5 is irrational because it is not a perfect square and it ends up coming out as infinite decimals that continue but don’t repeat in a pattern. Hope this helps :)

kakasveta [241]3 years ago

5 0

rational because it can be written as a fraction

If a number can not be written as a fraction it is irrational

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Answer:

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Step-by-step explanation:

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3 years ago

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Nter the equation of the line in slope-intercept form. Slope is 6, and (1, 3)

kupik [55]

Answer:

The equation in the slope-intercept form will be:

$y=6x-3$

Step-by-step explanation:

Given

slope = m = 6

point = (1, 3)

As we know that the equation of a line in point-slope form is

$y-y_1=m\left(x-x_1\right)$

substituting the values m = 6 and point = (1, 3)

$y-3=6\left(x-1\right)$

Writing the equation in slope-intercept form

$y=mx+b$

where m is the slope, and b is the y-intercept

so the equation of the line in slope-intercept form becomes

$y-3=6\left(x-1\right)$

add 3 to both sides

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Therefore, the equation in the slope-intercept form will be:

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3 years ago

Two angles are supplementary. One is 56° more than three times three times the other. Find the measures of the angles.

kaheart [24]

Supplementary means they equal 180 when added. Therefore:

X+56+3x=180
Combine common units
4x+56=180
Subtract 56 from both sides
4x=124
Divide by 4
X=31

Now we know the smaller angle is 31 degrees. Now we plug that into the larger angle:
3(31)+56
93+56
149

The larger angle is 149 degrees.

I hope this Helps!

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3 years ago

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3 years ago

12. A carpenter made two tables. The first table is 4 feet

Arte-miy333 [17]

Answer:

a. True

b. True

c. False

d. False

Step-by-step explanation:

First Table

Length=10 feet, Width=4 feet

Area =10 X 4=40 Square Feet

Second Table

The second table is half as long as the first table.

Length =0.5 X 10 =5 feet

Area=5 X Width= 5w

The area of the second table is one fourth the area of the first table.

Area of Second Table = $\frac{1}{4}$ X Area of first table

5w= $\frac{1}{4}$ X 40

5w=10

Width of the Second table, w=2 feet

The following are true.

(a)The width of the second table is 2 feet.

(b) The area of the second table is 10 square feet.

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3 years ago