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Alexeev081 [22]
3 years ago
13

What is 5y - 35 = 7x

Mathematics
2 answers:
IgorC [24]3 years ago
5 0

Answer:

y = 7/5x +7

it's a linear function to be a line

Step-by-step explanation:

y = 7/5x +7

it's a linear function to be a line

stepan [7]3 years ago
5 0
7x +5y=35 i think you divide 7 from everything then your able to find your x equal !
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What is the range for this set of data?<br> 7, 15, 12<br> O 3<br> O 5<br> O 8<br> O 12
snow_tiger [21]

Answer:

C/8

Step-by-step explanation:

Because the range is the biggest number subtracted by the lowest number and in our data sat 7,15,and 12 15 is the biggest number and 7 is the smallest so what's 15-7?

8 so C

Have a great day.

3 0
2 years ago
What is the value of the expression when a = -1.4 and b = -2.7? <br> |a| + b
Julli [10]
"a" is an absolute value, so that means that after whatever is in the brackets is solved as far as it can be, it becomes a positive value, no matter what it is. So, |-1.4| is equal to 1.4. The equation is 1.4+ (-2.7) or 1.4 - 2.7 which equals -1.3
5 0
3 years ago
On what interval is the function f(x)=x^3-4x^2+5x concave upward?
taurus [48]
Calculus 1?

To find concavity you must take the second derivative.  

As you would to find your local maximums and minimums (critical points) in the first derivative by setting y' = 0, to find points of inflection you set acceleration, y" = 0.  

Now that you know where the point in which the function is neither concave up or concave down (at the points of inflection) plug x-values between them into the second derivative for x.  If y" is positive between those particular points will be concave up and if y" is negative it will be concave down between that interval.

For a better understanding you might find a good video on Youtube explaining this if you search "Points of Inflections" or "Concavity of a function".

Cheers.
3 0
3 years ago
How many magazines at most can the company print daily,
Dvinal [7]

Answer:

The most they can print is 800

Step-by-step explanation:

.5 N + 2.5M ≤ 6000

We are given N = 8000

Substitute this into the inequality

.5 (8000) + 2.5M ≤ 6000

4000 +2.5M≤ 6000

Subtract 4000 from each side

4000-4000 +2.5M≤ 6000 -4000

2.5M≤ 2000

Divide each side by 2.5

2.5M/2.5≤ 2000/2.5

M ≤800

6 0
3 years ago
What is the sum of the square root of 63 and 144,divided by 5​
krok68 [10]

Answer:

Step-by-step explanation:

(√63 + 144)/5 = (3√7 + 144)/5 = 0.6√7 + 28.8

8 0
2 years ago
Read 2 more answers
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