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Gala2k [10]
3 years ago
13

Eslynn tracked her speeds and times she cycled on the weekend.

Mathematics
1 answer:
galben [10]3 years ago
6 0

Answer: 30

Step-by-step explanation:

Example

x=y

x+z=y+z

If we subtract the same number from both sides of an equation, both sides will remain equal.

Example

x=y

x−z=y−z

If we divide both sides of an equation by the same number, both sides will remain equal.

Example

x=y

x÷z=y÷z

If we multiply both sides of an equation  by the same number, both sides will remain equal.

x=y

x⋅z=y⋅z

Video lesson

Solve the following expression

4x−7=x3+4

You might be interested in
What is equivalent to 7^13/7^7
Deffense [45]

The equivalent expression to 7^13/7^7 would be 7^6.

<h3>What are equivalent expressions?</h3>

Those expressions that might look different but their simplified forms are the same expressions are called equivalent expressions.

To derive equivalent expressions of some expression, we can either make it look more complex or simple. Usually, we simplify it.

We have given an expression as  7^13/7^7

The equivalent expression;

\dfrac{7^{13}}{7^7} \\\\7^{13-7}\\\\7^6

Hence, The equivalent expression to 7^13/7^7 would be 7^6.

Learn more about expression;

brainly.com/question/22246485

#SPJ1

3 0
2 years ago
Convert 14ML (megalitres) iinto kilolitres
irakobra [83]

Answer:

14000Kilolitres

Step-by-step explanation:

1megalitre = 1000kilolitres \\

14megalitres = xkilolitres

Cross multiply

14 \times 1000 = xkilolitres

14megaitres = 14000kilolitres

6 0
3 years ago
Find the number of permutations of the first 9 letters of the alphabet, taking 4 letters at a time.
Vinil7 [7]

Solution-

First 9 letters of alphabet are- A,B,C,D,E,F,G,H,I

Total number of ways of selection of 4 letters from 9 alphabets = 9C4

=9!÷((4!).(9-4)!) = 9!÷(4!×5!) = (9×8×7×6)÷(24) = 126

The number of ways of arranging these 4 numbers = 4! = 24

∴ Total number of possible permutations = 9C4×4! = 126×24 = 3024

∴ option number 2 is correct.

8 0
4 years ago
Read 2 more answers
2. During a 5-day training at your department, the number of visitors tripled each day. If the training started on a Monday with
bixtya [17]
Monday/345
345×3=
Tuesday/1,035
1,035×3=
Wendsday/3,105
3,105×3
Thursday=9,315
6 0
4 years ago
Rectangle A measures 9 inches by 3 inches. Rectangle B is a scaled copy of rectangle A.Select all of the measurements pairs that
umka2103 [35]

Answer:

3 inches by 1 inches or 6 inches by 2 inches. Both answera are correct

Step-by-step explanation:

just an equivalent ratio

hope this helps can I get brainliest

7 0
3 years ago
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