3 years ago

A cereal box says that now it contains 20 more how much cereal comes now

Mathematics

1 answer:

hram777 [196]3 years ago

4 0

Answer:

20 more than before

Step-by-step explanation:

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|2k+3|=7<br>absolute value

faust18 [17]

Answer:

Step-by-step explanation:

2k+3=7

2k=4

k=2

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4 years ago

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Round 128,955 to the 8 place value

Jet001 [13]

There are only 6 place values in 128,955.

If you would round it it could be:

130,000
129,000
128,960

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3 years ago

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Find the general solution for the differential equation (dy)/(dx) + 3y = 18<br> Y=

harkovskaia [24]

Answer:

$y=-e^{-3x-c_1}+6$

Step-by-step explanation:

$\frac{dy}{dx}+3y=18\\\\\mathrm{Substitute\quad }\frac{dy}{dx}\mathrm{\:with\:}y'\:\\\\y'\:+3y=18\\\\Rewrite\\\\\frac{1}{6-y}y'\:=3\\\\Solve \::\frac{1}{6-y}y'\:=3\\\\-In(6-y)=3x+c_1\\\\Isolate\:y\\\\\\y=-e^{-3x-c_1}+6$

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3 years ago

Which triangle is similar to JKL?

Nadusha1986 [10]

So is this just a free answer or?

5 0

3 years ago

Please explain how you got your answer (:

melisa1 [442]

I used math

anyway
remember you can do anything to an equation as long as you do it to both sides

so

4n+2 and 1/2=2n+5
minus 2n both sides
4n-2n+2 and 1/2=2n-2n+5
2n+2 and 1/2=0+5
2n+2 and 1/2=5
minus 2 and 1/2 both sides
2n=2 and 1/2
divide both sides by 2
I mean times both sides by 1/2
n=1 and 1/4

answer is C

6 0

3 years ago