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Sonja [21]
3 years ago
9

Explain how to estimate 585 - 321 two different ways

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
6 0
<span>Explain how to estimate 585 - 321 two different ways
just subtract them</span>
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Travka [436]

Answer:

30

Step-by-step explanation:

there are 3 parts to form that 90 degree angle

5 0
3 years ago
Please help me smile this problem ASAP
kogti [31]

Answer:

3y^7/ x 3y^5

Photomath

3 0
3 years ago
I need help ASAP. I'm not good with math.
bonufazy [111]

Given:

The increase in pressure P is the linear function of the depth d.

P(d)=0.445d+14.7

The cost of dinner is $300 and $10 per students.

To find:

The initial value and rate of change and their interpretation.

Find the cost function C where n is the number of students.

Solution:

The slope intercept form of a linear function is

f(x)=mx+b          ...(i)

where, m is rate of change and b is y-intercept or initial value.

We have,

P(d)=0.445d+14.7        ...(ii)

From (i) and (ii), we get

m=0.445,b=14.7

The initial value is 14.7. It means, the pressure at sea level is 14.7 pounds psi.

Rate of change is 0.445. It means, the pressure is increasing by 0.445 pounds psi for every feet.

The cost of dinner is $300 and $10 per students.

Let C(n) be the total cost for dinner and n be the number of students.

Fixed cost = $300

Additional cost for 1 student = $10

Additional cost for n student = $10n

Now,

Total cost = Fixed cost + Additional cost

C(n)=300+10n

Therefore, the required cost function is C(n)=300+10n.

8 0
2 years ago
6x + 3y = -4<br> 15x + 7y = -8<br> how many solutions does the system of equations have?
dimulka [17.4K]
The system of equations has one solution
6 0
3 years ago
Select the three expressions that are equivalent to 4/9
Deffense [45]

Answer:

8/18 or 12/27 or 16/36

Step-by-step explanation:

just add 4 on top and 9 on bottom and u should get all

6 0
3 years ago
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