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siniylev [52]
3 years ago
10

How to do a word phrase 2(5-n)

Mathematics
1 answer:
scoray [572]3 years ago
8 0
Twice the difference of 5 and n.
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One side of a rectangle is 3 m more than the other. If the perimeter of the rectangle is 30 m, what are its dimensions? *
uranmaximum [27]

Answer:

the length— 6

width— is 9

Step-by-step explanation:

you said One side— 3m MORE

so we will consider the length Number as X

we will consider width As three plus X

- You want to know the Perimeter. So we have to

add.

— so the expression is 3+3+x+x+x+x = 30

it is then simplified to 6+4x= 30

then we should be able to find out the X  which is 6

when we substitute the values with dimensions, you will get

your final Answer

I hope This Helped!

6 0
3 years ago
I need some help please!
adell [148]

Answer:

8 seconds

Step-by-step explanation:

lets first start by plugging in 1024 into initial height

h(t) = -16t^2 + 1024

I would find a Greatest Common Factor (GCF) first

-16(t^2 - 64)     If this is new just think that if you multiply -16 by t squared and -64 you will come back to the original equation

But now we notice that T squared -64 can be factored with the difference of perfect squared method

so we will get -16(t-8)(t+8)

So to get the answers we will set everything equal to 0

-16t =0

t =0 this is the time that the penny was thrown

t-8 = 0

t = 8 the is the time the penny hit the ground

t+8 =0

t= -8 This is an extraneous solution or a solution that doesn't make sense so we just disregard the solution.

3 0
3 years ago
The value of a 2 in the tens place is what fraction of the value of a 2 in the hundreds place?
lapo4ka [179]

Answer:

2/10

Step-by-step explanation:

it identifed it for you in the 10's place

3 0
2 years ago
Please hurry it almost due
kolezko [41]

Answer: -18 - -18

Step-by-step explanation: Aka negative eighteen minus negative eighteen

5 0
3 years ago
a third of the class has pets 4 of the class have hamsters there are 27 pupils in the class five people in the class have green
Vaselesa [24]
13 pupils have pets. Green eues was irrelevant
8 0
3 years ago
Read 2 more answers
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