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Pepsi [2]
3 years ago
9

Please please help with this question! I am taking a test, but it is to see what I know, so they are all questions about things

I haven't learned before, to see If I know them. I am stuck on all of them! I'll probably be asking more, so if you know this, please keep an eye on my page for new questions!

Mathematics
2 answers:
Savatey [412]3 years ago
5 0

Answer:

114

Step-by-step explanation:

(400/4)+(40/4)+(16/4)

400/4=100

40/4=10

16/4=4

100+10+4=114

blondinia [14]3 years ago
4 0

Answer:

all 4 for the top

456 / 4 = 114

Step-by-step explanation:

if you add up 400, 40, and 16, then you have 456. So basically if you divide them all by 4, the answer of all those numbers will equal 114

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Solve the equation for the given replacement set. State the solution set.
Feliz [49]
X=3 . ok well ur gonna do reverse mathematics so start by subtracting 2 from 17 (bc the oppistite of addition is subtraction) an then rewrite the equation. 5x=15 and then divide 15 by 5 and it equals 3 and then do it all over again meaning put the equation as it was but with the value. 5x3+2=17 and it all makes sense. im so sorry i answered so late i just got this question recommended to me.
3 0
3 years ago
i know that it’s B, and i’ve explained that it’s because there is no correlation among the data points but for some reason it’s
Elina [12.6K]

I think the answer would be C

As it is basically a straight line so there wouldn't be necessary for there to be a scatter diagram for it.

I may be wrong so take it with a grain of salt

8 0
3 years ago
River C is 400 miles longer than River D. If the sum of their lengths is 5560 ​miles, what is the length of each​ river?
KiRa [710]

Answer:

River D - 2580 miles

River C - 2980 miles

Step-by-step explanation:

Let the length of River D be represented with x

length of river C = 400 + x

total length of both rivers = 5560

x + 400 + x = 5560

2x + 400 = 5560

collect like terms

2x = 5560 - 400

2x = 5160

divide both sides of the equation by 2

x = 5160 / 2

x = 2580

length of river c = 400 + 2580 = 2980

5 0
3 years ago
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Genrish500 [490]

Answer:

The Area = 28.26 or 28.27 depends if you round or not

4 0
2 years ago
Galactic Rotation Speed. We are located about 27,000 light-years from the galactic center and we orbit the center about once eve
Alexxandr [17]

Answer:

speed = 796142.197 km/hr

Step-by-step explanation:

solution

we consider here orbit around galactic center is circular so

circumference formula will be here

circumference C = 2πr   ........1

here we know r = 27000

so

circumference C = 2 π × 27000

C = 169560 light year

so

we travel 169560 light year in 230000000 years

so distance will be

distance = \frac{169560}{230000000}

distance = 0.00073721 light year/year

and we know 1 year = 8760 hours

so 1 light year = 9.46027 ×10^{12} km

so

sped of moving is

speed = 0.00073721 × 9.46027 × \frac{10^{12}}{8760}  km/hr

speed = 796142.197 km/hr

5 0
4 years ago
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