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liberstina [14]
4 years ago
13

How do you write negative seven minus the product of 5 and number is 28

Mathematics
1 answer:
goldenfox [79]4 years ago
3 0
-7 - (5.x) = 28? Is that what you were looking for?
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Advocard [28]

1) D hurended % sure

7 0
4 years ago
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Round each decimal to the nearest whole number 2.7 0.7 18.2 6.34 9.8 9.4
never [62]
1. 3.0
2. 1.0
3. 18.0
5.  6.0
6. 10.0
7. 9.0
3 0
3 years ago
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If -xy – 5+ y^2+ x^2= 0 and it is known that dy/dx= y-2x/-x+2y, find all
sleet_krkn [62]

Answer:

There is no point of the form (-1, y) on the curve where the tangent is horizontal

Step-by-step explanation:

Notice that when x = - 1. then dy/dx becomes:

dy/dx= (y+2) / (2y+1)

therefore, to request that the tangent is horizontal we ask for the y values that make dy/dx equal to ZERO:

0 = ( y + 2) / (2 y + 1)

And we obtain y = -2 as the answer.

But if we try the point (-1, -2) in the original equation, we find that it DOESN'T belong to the curve because it doesn't satisfy the equation as shown below:

(-1)^2 + (-2)^2 - (-1)*(-2) - 5 = 1 + 4 + 2 - 5 = 2  (instead of zero)

Then, we conclude that there is no horizontal tangent to the curve for x = -1.

3 0
3 years ago
Find the balance in an account with $7,000 principal earning 5% interest compounded quarterly
nadya68 [22]

Answer:

The balance is \$11,505.34  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=10\ years\\ P=\$7,000\\ r=0.05\\n=4  

substitute in the formula above  

A=\$7,000(1+\frac{0.05}{4})^{4*10}=\$11,505.34  

3 0
4 years ago
Here's the photo, sorry i didn't add it before.
Margaret [11]

Answer:

See below.

Step-by-step explanation:

1. m=2

2. m=-3

3. m=5

4. m=1

CAHF

-hope it helps

8 0
2 years ago
Read 2 more answers
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