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Flauer [41]
3 years ago
13

Annika biked 37 \text{ km}37 km37, start text, space, k, m, end text this morning and another x \text{ km}x kmx, start text, spa

ce, k, m, end text in the evening. How many kilometers did Annika bike today?
Mathematics
2 answers:
photoshop1234 [79]3 years ago
8 0

i took a lot of time to understand but

its ez...

37 + x

FinnZ [79.3K]3 years ago
7 0

Answer:

(37 + x) km

Step-by-step explanation:

To know the number of kilometers biked by Annika today, we need to add what she biked in the morning to what she biked in the evening.

From the question, she biked 37 km in the morning and x km in the evening

So the total distance biked by Annika today will be (37 + x) km

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X and y are both bigger than 30. x and y have HCF 21 and LCM 1617. Find x and y.
Sunny_sXe [5.5K]

The values of x and y are 99 and 343

<h3>The HCF</h3>

The HCF of numbers is the highest common factors of the numbers

<h3>The LCM</h3>

The LCM of numbers is the lowest common multiple of the numbers

The HCF and the LCM are given as:

HCF = 21

LCM = 1617

Multiply the HCF and the LCM

HCF \times LCM = 21 \times 1617

HCF \times LCM = 33957

The product of the numbers x and y equals the product of the HCF and the LCM.

So, we have:

x \times y = 33957

<h3>Prime Factors</h3>

Express 33957 as a prime factor

x \times y = 3^2 \times 7^3 \times 11

Rewrite the equation as

x \times y = 99 \times 7^3

x \times y = 99 \times 343

By comparison:

x = 99

y= 343

Hence, the values of x and y are 99 and 343

Read more about HCF and LCM at:

brainly.com/question/420337

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