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zvonat [6]
2 years ago
11

Help due tomorrow Brailest

Mathematics
1 answer:
gavmur [86]2 years ago
4 0

Answer:

Step-by-step explanation:

y=mx+b

m=(y2-y1)/(x2-x1)

m=(90-65)(/(200-100)=25/100=1/4

y=x/4+b, using point (100,65)

65=100/4+b

65=25+b

b=40

y=x/4+40 or more neatly

y=(x+160)/4

Following these steps you should have no problem with second problem.

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What is the slope intercept form written in equation form of this graph?
serg [7]
Y=2x+4
the y intercept is 4 and the slope is 2/1
4 0
2 years ago
5. The internal dimension of a tank are 14m, 8m and 5m. How much water can be
EleoNora [17]

Answer:

560,000L

Step-by-step explanation:

Given data

L=14m

W=8m

H=5m

Volume= L*W*H

Volume= 14*8*5

Volume= 560 m^3

1m^3 = 1000L

560m^3 = x

cross multiply

x= 560*1000

x= 560,000L

Hence the volume is  560,000L

3 0
2 years ago
What are the coordinates of the vertex of the parabola described by the equation below? y = -7(x - 4)2 - 5
pochemuha
To get the vertex of the parabola we proceed as follows;
y=-7(x-4)^2-5
The above can be written as:
y=-7x^2+56x-117
The values of a,b and c are:
a=-7, b=56 and c=-117
x=-b/(2a)
x=-56/(-7*2)=4
but;
y=-7x^2+56x-117
y=-7(4)^2+56(4)-117
y=-5
Thus;
x=4 and y=-5
The vertex will be at point (4,-5)


7 0
3 years ago
Read 2 more answers
Please explain I need help with all these
sergey [27]
For all of these you're trying to solve for the variable. The variable is usually a number or symbol.

11) -44+n=36
Step one would be to add 44 to both sides of the equation.

N=80

12) -36=p-91
Step one would be to add -91 to both sides of the equation.

P=55

13) X-225=671
Step one you be to add 225 to both sides of the equation. Although it may seem difficult because of the big numbers, it's the same technique.

14) 19=c-(-12)
Step one on this equation will be a little different. Because there are two negative signs (-), they turn into a plus sign. Remember, two negative signs make a positive sign.

19=c+12

Now you just subtract 12 from each side of the equation.

6=C
3 0
2 years ago
What is Twice a number plus 4 is less then 12
sertanlavr [38]

Answer:

3

Step-by-step explanation:

3 x 2 = 6

6 + 4 = 10

10<12

Hope this helps!

3 0
3 years ago
Read 2 more answers
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