3 years ago

Need help on question 11 please!! (Will mark as Brainliest)

Mathematics

1 answer:

emmainna [20.7K]2 years ago

4 0

I think it is adjacent because it isn't linear or vertical at all.

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Find the value of z.

Radda [10]

Answer:

Step-by-step explanation:

210-x=50×2

or, 210-x=100

or, x=210-100

or, x=110

so,

z = 360-210-110

or, z = 40

7 0

3 years ago

The cost of purchasing four shirts is at least $120. Write an inequality to describe this situation.

const2013 [10]

Im so sorry but I didn't learn that yet

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3 years ago

Sum of all natural numbers from100to300 which are divisible by 4and 5 is

My name is Ann [436]

If $x$ is a number that is both divisible by 4 and 5, then

$\begin{cases}x\equiv0\pmod4\\x\equiv0\pmod5\end{cases}$

4 and 5 are coprime, so we can use the Chinese remainder theorem to solve this system and find that $x=20n$ is a solution to the system, where $n$ is any integer. Simply put, any multiple of 20 fits the bill.

Now, there are 11 numbers between 100 and 300 that are divisible by 20 (100, 120, 140, and so on). We have $20n=100$ when $n=5$ , so the sum we want to compute is