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KengaRu [80]
3 years ago
14

What is the area of a rectangle that has a width of 4 miles and a length of 15 miles ?

Mathematics
2 answers:
kiruha [24]3 years ago
8 0

Answer:

60mi² Hope this helped :)

Step-by-step explanation:

Airida [17]3 years ago
8 0

Answer:

60 miles squared

Step-by-step explanation:

l x w is the formula for area of a square/rectangle

4 x 15 = 60

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What is the difference between intersecting and perpendicular lines? Can two lines exist that are not intersecting or parallel?
sertanlavr [38]
Intersecting lines are lines that meet at some point while perpendicular lines are intersecting lines that makes a right angle at the point of intersection.

Two line can either be intersecting or perpendicular. It is not possible to have two line that is neither intersecting or parallel.
7 0
3 years ago
Find the domain of the function f of x equals the cube root of the quantity x plus three, minus one.
kifflom [539]
<span>The domain of the function f of x equals the cube root of the quantity x plus three, minus one would be:

ALL REAL NUMBERS 

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8 0
3 years ago
Read 2 more answers
The polynomial f(x) leaves a remainder of - 3 and - 7 when divided by (3x - 1) and (x +1) respectively.
olga55 [171]

Step-by-step explanation:

Here, f(x) is the given polynomial.

By remainder Theorem,

When divided by (3x-1),

f(1/3) = -3........(1)

When divided by (x+1),

f(-1) = -7.........(2)

<em>Another</em><em> </em><em>polynomial</em><em> </em><em>is</em><em> </em><em>3</em><em>x</em><em>²</em><em>+</em><em>2</em><em>x</em><em>-</em><em>1</em>

Solving,

3x²+2x-1

= 3x²+3x-x-1

=3x(x+1)-(x+1)

=(3x-1)(x+1)

So

f(x) = (3x-1)(x+1)Qx + (ax+b)

For f(-1),

-7 = -a+b

b= a-7

For f(1/3),

-3 = a/3+b

or, -3 = a/3+a-7

or, 4×3 = 4a

or a = 3

Also, b = 3-7 =-4

Hence, remainder is (3x-4)

7 0
3 years ago
Wilbur Wright was born in 1867. His brother Orville was born in 1871. How old was each brother in 1903?
miss Akunina [59]
36 and 32, respectively.
I am the primary school student.
6 0
3 years ago
Two times a number is at least 16.<br> Inequality
kati45 [8]

Answer:

3x - 16 <= 8

Step-by-step explanation:

The key is to translate this problem, one step at a time:

Write an inequality

This tells us that we'll use >, <, ≥, or ≤ instead of = when describing the two sides of the equation.

that represents five less than

This tells us that we need to take away, or subtract 5: –5

two times a number

We don't know the number, so let's call it x. Two times x is 2x.

Then, the previous step tells us we want five less than twice the number, so we say 2x –5.

that is at least fifteen

"At least fifteen" tells us the first part of the equation can be greater than or equal to 15, which means we need the ≥ sign. If the phrase said "greater than fifteen," we'd use >.

Putting it all together, we get 2x – 5 ≥ 15.

then solve the inequality

We undo everything the algebra did to x to solve in the reverse order.

2x – 5 ≥ 15 First, undo the subtraction by adding 5 to both sides.

2x ≥ 20  Next, divide both sides by 2.

x ≥ 10.   We see that x has to be greater than or equal to 10. This means we could pick any number, 10 or greater, and plug it back into the equation we constructed to check our answer.

6 0
2 years ago
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