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cluponka [151]
2 years ago
6

If brad is x years old and Julie is five years younger than brad how old is Julie

Mathematics
1 answer:
zlopas [31]2 years ago
4 0

Using algebraic expression, we can state that Julie is (x - 5) years old.

<h3>How to Express a Word Problem in Algebraic Expressions?</h3>

Algebraic expressions can be defined as a mathematical expression which helps to simplify a given statement or word problem. Variables, operation sign, and numbers are used.

Given the following:

The age of brad is x years old

We are told that Julie is five (5) years younger than brad. This means that Julie's age is 5 less than the age of Brad. This can be expressed in algebraic expression as:

x - 5

Therefore, we can state that Julie is (x - 5) years old.

Learn more about algebraic expression on:

brainly.com/question/12470265

#SPJ1

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Kim is watching a space shuttle launch from an observation spot 2 miles away. Find the angle of elevation from Kim to the space
hammer [34]

Answer:

<h2><em>46.4°</em></h2>

Step-by-step explanation:

Find the diagrammatic representation in the attachment given.

We can see that the diagram is a right angled triangle. To get the angle of elevation, we will use one of the trigonometry identity SOH, CAH, TOA.

Given the adjacent of the triangle to be 2miles (observation spot from the point of launch)and the opposite (side facing the elevation angle) as 2.1miles (the height), we will use TOA.

tan∅ = opposite/adjacent

tan∅ = 2.1/2

tan∅  = 1.05

∅ = tan⁻¹1.05

∅ = 46.4°

<em>Hence the angle of elevation from Kim to the space shuttle, which is at a height of 2.1 miles is approximately 46.4°</em>

5 0
3 years ago
Use the properties of exponents to rewrite the expression.<br> (-3yz)(-3yz)(-3yz)(-3yz)
Lera25 [3.4K]

Answer:

Answer is 81y^4z^4

Step-by-step explanation:

The expression is (-3yz) (-3yz) (-3yz) (-3yz).

Since all the four terms have power 1:

(-3yz)^1 (-3yz)^1 (-3yz)^1 (-3yz)^1

We know that we can add the powers if the terms have same base

So,

=(-3yz)^1+1+1+1

=(-3yz)^4

=(-3)^4(y)^4(z)^4.

If the power is an even number than the negative sign changes into positive sign.

=3^4y^4z^4

=81y^4z^4

Thus the answer is 81y^4z^4....

3 0
3 years ago
Anyone understand this? i need help :((
Zinaida [17]

Answer:

(-9,8)

(-2,8)

(-1,8)

(0,8)

(7,8)

hope this helped you :)

Please mark me brainiest

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2 years ago
Ryan made $119 for 7 hours of work.
Korvikt [17]

Answer:

128

Step-by-step explanation:

6 0
3 years ago
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write a problem that can be solved using a line plot. Draw and label the line plot and solve the problem.
Debora [2.8K]
0/5 1/5 2/5 3/5 4/5 5/5  hope this helps

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