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2 years ago

What is the answer?????

Mathematics

1 answer:

Verdich [7]2 years ago

4 0

4:7=m:42
7*6=42
so multiply 4*6 also and m=24
or 4:7=24:42

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The product of 10 and a number is 3 less than the number.

djverab [1.8K]

Answer:

-1/3

Step-by-step explanation:

The product of 10 and a number is 3 less than the number.

Ok, lets call this number x.

10x = x-3 is how to algebraically write this out.

now, lets subtract x from both sides

9x = -3

Divide by 9

x = -1/3

5 0

1 year ago

If an item is marked up 15% and the new cost is 155.25 what was the original price

Dmitry [639]

(1-0.15)=0.85
0.85 (155.25)=131.962
estimated answer
131.962 is about $132.00

4 0

3 years ago

The mosquito population is a function of rainfall, and can be approximated by the formula N(x)=−x3+45x2+1000 where x is the numb

KiRa [710]

Answer:

Therefore the population will be maximum when x=30 inches.

Step-by-step explanation:

Given that, the mosquito population is a function of rainfall and can be approximated by the formula

$N(x)= -x^3+45x^2+1000$

where x is the number of inches of rainfall.

$N(x)= -x^3+45x^2+1000$

Differentiating with respect to x

$N'(x)= -3x^2+90x$

Again differentiating with respect to x

$N''(x)=-6x+90$

Now we set N'(x)=0

$-3x^2+90x=0$

$\Rightarrow -3x(x-30)=0$

$\Rightarrow x=0,30$

$N''(0)=-6.0+90=90>0$

$N''(30)=-6.30+90=-90$

Since at x=30, N''(x)<0, So at x=30, N(x) has maximum value.

Therefore the population will be maximum when x=30 inches.

5 0

2 years ago

How did you find six things in triangle

AVprozaik [17]

Sorry it's a bit messy. but I hope you understand and it will help

7 0

2 years ago

An apple pie uses 4 cups of apples and 3 cups of flour. An apple cobbler uses 2 cups of apples and 3 cups of flour. You have 16

Alex Ar [27]

4x+2y<=16
3x+3y<=15

2x+y<=8
x+y<=5
3x+2y->maximize profit

X Y profit
1 4 11
2 3 12
3 2 13
4 0 12
3 1 11
3 2 13
2 3 12
1 4 11
0 5 10

Farmer need to make 3 Apple pies and 2 apple cobblers
Farmer will use 16 cups of apples and 15 cups of flour
profit of farmer will be $13

3 0

2 years ago