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Hunter-Best [27]
3 years ago
11

The total number of math students and history students is 43. Find the number of students in each class if the number of history

students is 7 less than the number of math students.
Mathematics
1 answer:
olasank [31]3 years ago
8 0

Answer:

25 math 18 history

Step-by-step explanation:

Equations:

x+y=43

x-7=y

x+x-7=43

2x=50

X=25

25-7=y

y= 18

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Solve the following algebraic equation using appropriate
Neko [114]
( x + 1 )/ 3 = x + 2
Multiply 3 on both sides
x + 1 = 3x + 6
Subtract 6 on both sides
x - 5 = 3x
Subtract x from both sides
-5 = 2x
Divide 2 from both sides
x = -2.5
6 0
3 years ago
Given RT below, if S lies on RT such that the ratio of RS to ST is 3:1, find the coordinates of S.
Ksivusya [100]

Answer:

S(-2, -3)

Step-by-step explanation:

Find the diagram attached below,=. Frim the diagram, the coordinate of R and T are (-5, 3) and (-1, -5) respectively. If the ratio of RS to ST is 3:1, the coordinate of S can be gotten using the midpoint segment formula as shown;

S(X, Y) = {(ax1+bx2/a+b), (ay1+by1/a+b)} where;

x1 = -5, y1 = 3, x2 = -1, y2 = -5, a = 3 and b =1

Substitute the values into the formula;

X = ax2+bx1/a+b

X = 3(-1)+1(-5)/3+1

X = -3-5/4

X = -8/4

X = -2

Similarly;

Y = ay2+by1/a+b

Y = 3(-5)+1(3)/3+1

Y = -15+3/4

Y = -12/4

Y = -3

Hence the coordinate of the point (X, Y) is (-2, -3)

5 0
3 years ago
11/12 - (-10) - 5/6 as a single rational number
Harlamova29_29 [7]

Answer:

121/12

Step-by-step explanation:

1. 11/12 - (-10) = 11/12+10 = 131/12

2. 131/12-5/6 = 131/12 - 10/12 = 121/12

7 0
3 years ago
Can someone help me with this problem please? I'll mark you as brainliest!
leonid [27]

Answer:

put a closed for on -1 and go to the left with an arrow

3 0
3 years ago
Read 2 more answers
40 POINTS!!!!<br> what is the coordinates of x+y=6?
il63 [147K]
Here, your equation is x + y = 6

In order to calculate coordinates, put x = 0, 
0 + y = 6, 
y = 6

Now, put y = 0, x + 0 = 6
x = 6

So, Your Coordinates would be: (0, 6) & (6, 0)

Hope this helps!
4 0
3 years ago
Read 2 more answers
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