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Karo-lina-s [1.5K]
3 years ago
15

Please help!!!!! will give Brainliest

Mathematics
1 answer:
Rzqust [24]3 years ago
7 0
Train A is going 70
Train B is going 85
B is faster.
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F(x)=-3/5x+k and if f(30)=-11 what is the value of k
Kruka [31]

Answer:

k=20.

Explanation: First we find where f(x) has its local extrema: f'(x)=3x2−10x+3. The critical points are roots of the equation: 3x2−10x+3=0.

6 0
3 years ago
Will give Brainliest if you get it right
fenix001 [56]

Answer:

10.63

Step-by-step explanation:

The distance between two points is sqrt((difference between y-values)^2 + (difference between x-values)^2) -->

sqrt(8^2 + 7^2) =

sqrt(64 + 49) =

sqrt( 113) =

10.630145 -->

10.63

5 0
3 years ago
Solve for x: 2 over 3 equals 8 over quantity x plus 6
SashulF [63]

Answer:

x = 40/3

Step-by-step explanation:

2/3 = (8/x) + 6

-6                -6

2/3 - 6 = -16/3

-16/3 = 8/x

*x          *x

(-16/3)x = 8

+16/3     +16/3

x = 40/3

7 0
3 years ago
Read 2 more answers
In congruent figures, corresponding angles have equal measures. true or false?
algol [13]
This is true

Think of two houses. If we say "the houses are identical" then the corresponding pieces must be the same (eg: the doors must be the same type out of the same material). In this analogy, the houses are the triangles, which are the overall structures. The doors are the angles since they are pieces of the overall structures. This is what CPCTC is saying

CPCTC = Corresponding Parts of Congruent Triangles are Congruent

Once again, the final answer is true.
8 0
3 years ago
14 pints of chocolate ice cream, 8 pints of vanilla bean ice cream, and 12 pints of strawberry swirl ice cream. Find the ratio o
gogolik [260]
6 pints: 17 pints
It means that there is 6 pints of strawberry ice cream in every 17 pints of ice cream total
7 0
3 years ago
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