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kirill115 [55]
3 years ago
10

Evaluate t - v when t = 7 and v = (-3)

Mathematics
2 answers:
Andru [333]3 years ago
6 0
T-v
7-(-3)
7+3
10
the answer is 10
Vika [28.1K]3 years ago
3 0
You just substitute the values and solve.

7-(-3)
7+3
10

The Answer is 10
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At which one of the following times is the angle between the hands of a clock exactly one straight angle? a)12:00 b)12:30 b)3:45
Marta_Voda [28]
12:00 will have both hands pointing up
12:30 will have the straight line at the half past part but it will not be exactly on the 12
3:45 it will be past the 3 and exactly on 45 so it will not work
And 6:00 will be a straight line as one hand will be at the 12 and and it will be straight on the 6 as it is on the hour so the answer is d
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3 years ago
What is the value of x
RideAnS [48]

Answer:

x=5

Step-by-step explanation:

We can use the Triangle Angel Bisector Theorem


AB             2x-1

----------= --------------

AC               3x

9              2x-1

----------= --------------

15               3x


Using cross products

3x*9 = 15*(2x-1)

Distribute

27x = 30x-15

Subtract 30x from each side

27x-30x = 30x-30x-15

-3x = -15

Divide by -3

-3x/-3 =-15/-3

x =5

4 0
3 years ago
Algebraic Expression<br>x + y + 2<br>Constants | Variable/s/term/s Degree of term​
aleksandr82 [10.1K]

Constants : 1 (the only constant term is 2)

Variables : 2 (x and y)

Terms : 3 ( x, y and 2)

Degree of term : 1

7 0
3 years ago
Y= 5x+3 find the slope m=
tatuchka [14]

Answer:

m = 5

Step-by-step explanation:

.........................

8 0
3 years ago
Read 2 more answers
Simplify The following equations
Kryger [21]
Mostly collect like terms
use associative property which is
(a+b)+c=a+(b+c)
and remember that:
you just use a general rule
x+x=2x
x^2+x^2=2x^2
3xy4xy=7xy
3x+4x^2=3x+4x^2
you can only add like terms( like terms are terms that are same name like x or y are differnt, and like terms have same power exg x^2 and x^3 and x^1/2 and such


so first one



3b+11c-4c-c
since they are all c except for the first one term, just assign a number for each so it simplifies to c times(11-1)+b(3-4)=c(10-1b=10c-b or

you just use a general rule
x+x=2x
x^2+x^2=2x^2
3xy4xy=7xy
3x+4x^2=3x+4x^2




second one9a-1+8c-8a+c
group like terms
(9a-8a)+(8c+c)-1=(a)+(9c)-1=a+9c-1

12c+5a+7-13c+4a
group like terms(12c-13c)+(5a+4a)+7
add like terms
-c+9a+7
the solution is 9a-c+7


-15-6c+3b-6c+9-2b
group like terms
(-15+9)+(-6c-6c)+(3b-2b)
-6+(-12c)+b=b-6-12c



the answers are:

10c-b

a+9c-1

9a-c+7

b-12c-6

5 0
3 years ago
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