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3 years ago

Please help! Read question 5.

Mathematics

1 answer:

pickupchik [31]3 years ago

8 0

1 centimeter =10 millimeters
10x3=30millimeters
30+47=77 millimeters
Hope that helps :).

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What is the solution to the system x+ y =4 and 2x - y = -1

Lostsunrise [7]

Answer:

Step-by-step explanation:

hello :

the system is : x+ y =4 ...(*)

2x - y = -1...(**)

add(*) and (**) : 3x=3 so : x=1

put this value into (*) : 1+y=4 so : y=3

one solution : (1 , 3)

4 0

3 years ago

HURRYYY PLEASE THIS IS A TESTTT <br> Find the value of x.

o-na [289]

Answer:

130° is the answer to it

Step-by-step explanation:

180-50=130

6 0

3 years ago

Read 2 more answers

I can’t figure out the solution I think it is y < -10

Olenka [21]

Hey there!

<em>With negatives ( $-$ ) you have to switch your symbol to the other way</em>
$\bold{\frac{y}{-2}\leq5}$
Firstly, substitute the $\bold{y\ value }$ as an invisible 1
So, now we have to flip the equation around
$\bold{\frac{-1}{2}y\leq5}$
We have to $\bold{multiply}$ by $\bold{-2}$ on each of your sides
$\bold{-2\times\frac{-1}{2}\leq-2\times5}$
$\bold{Cancel \ out:2\times\frac{-1}{2}y \ because \ it \ equal \ 1}$
$\bold{Keep: -2\times5 \ because \ it \ helps \ us \ find \ our \ answer}$
$\bold{-2\times5=-10}$
$\boxed{\boxed{\bold{Answer:y\geq-10}}}\checkmark$

Good luck on your assignment and enjoy your day!

~ $\frak{LoveYourselfFirst:)}$

<em />

4 0

3 years ago

Which fractions are equivalent? 20/5 -20/5 20/-5 -20/-5 120/5

Fed [463]

20/5 and -20/-5 are equivalent

3 0

4 years ago

Read 2 more answers

An older TV screen was 11 centimeters wide. The

Montano1993 [528]

Answer:

The new TV screen is 12.1 centimeters wide.

Step-by-step explanation:

Find 10% of 11:

0.10 x 11 = 1.1

Add 1.1 to the original size.

11 + 1.1 = 12.1

hope this helps

4 0

3 years ago

Read 2 more answers