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worty [1.4K]
2 years ago
11

Will give brainliest

Mathematics
1 answer:
Vlada [557]2 years ago
6 0

Answer:

lenght = 2x + 3

breadth = x - 1

perimeter = 40

Now,

perimeter = 2(l+b)

40= 2( 2x + 3 + x - 1)

40= 2(3x - 2)

40 = 6x- 4

40+4 =6x

44/6 =x

x = 7.33

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Jake and mike took a different number of tests. jake scored 85 points on each test. mike's total score was 15 less than jakes to
Daniel [21]
I am to believe that his score was 70.

since mike scored 15 less than 85 i had suspected it was 70
6 0
3 years ago
PLS HELP! which graph is the function 3x + 2y = 8 with the given domain {-2,0,2,4}??
Romashka [77]

Answer:

D

Step-by-step explanation:

Domain of the function 3x + 2y = 8 are the possible set of x-values represented as {-2, 0, 2, 4}.

To know which graph represents the above given function, find the range values of the function by plugging in each value of x into the equation, to find y.

For x = -2,

3(-2) + 2y = 8

-6 + 2y = 8

2y = 8 + 6

2y = 14

y = 14/2

y = 7

(-2, 7)

For x = 0,

3(0) + 2y = 8

0 + 2y = 8

2y = 8

y = 8/2

y = 4

(0, 4)

For x = 2,

3(2) + 2y = 8

6 + 2y = 8

2y = 8 - 6

2y = 2

y = 2/2

y = 1

(2, 1)

For x = 4,

3(4) + 2y = 8

12 + 2y = 8

2y = 8 - 12

2y = -4

y = -4/2

y = -2

(4, -2)

The graph which shows the following set of coordinates pairs calculated above, ((-2, 7), (0, 4), (2, 1), (4, -2)), is the graph of the function 3x + 2y = 8.

Thus, the graph in option D the shows the following calculated coordinate pairs. Therefore, graph D is the answer.

7 0
3 years ago
How do you write this in standard form? (6-7i)/(1-2i)
xenn [34]
\frac { \left( 6-7i \right)  }{ \left( 1-2i \right)  } \cdot 1\\ \\ =\frac { \left( 6-7i \right)  }{ \left( 1-2i \right)  } \cdot \frac { \left( 1+2i \right)  }{ \left( 1+2i \right)  } \\ \\ =\frac { 6+12i-7i-14{ i }^{ 2 } }{ 1+2i-2i-4{ i }^{ 2 } }

\\ \\ =\frac { 6+5i-14\left( -1 \right)  }{ 1-4\left( -1 \right)  } \\ \\ =\frac { 6+5i+14 }{ 1+4 } \\ \\ =\frac { 20+5i }{ 5 } \\ \\ =\frac { 20 }{ 5 } +\frac { 5i }{ 5 } \\ \\ =4+i
8 0
3 years ago
Is a triangle with the three sides being 24 22 and 26 a right triangle?
Vilka [71]
No because 22 squared plus 24 squared does not = 26 squared
7 0
3 years ago
What is 6/5 x 10 please help
inessss [21]

Answer:

12

Step-by-step explanation:

easy peasy

5 0
2 years ago
Read 2 more answers
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