4 years ago

Please help...........

Mathematics

1 answer:

Nutka1998 [239]4 years ago

4 0

In all parallelograms diagonals divide in half.

Therefore |BD| = 2|ED| = 2 · 4.5 = 9 units

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If n=3 then what is (4n-2) (7-2)

babymother [125]

The value of equation when n = 3 is 50

Solution:

Given equation is:

$(4n -2)(7-2)$

We have to find the value of equation when n = 3

By plugging in n = 3 in given equation we can find the value of given equation

Substitute n = 3 in given equation

$\rightarrow (4(3) -2)(7-2)\\\\Solve\ the\ above\ equation\\\\\rightarrow (12-2)(7-2)\\\\\rightarrow (12 - 2)(5)\\\\Simplify\ the\ above\ equation\\\\\rightarrow 10 \times 5 = 50$

Thus the value of equation when n = 3 is 50

7 0

3 years ago

Simplify the expression of (7 – c )(–1)

Ivan

Expand out, this literally just wants you to multiply everything by -1.
so 7*-1 = -7
-c*-1 = c
thus putting them together to get -7+c which is just c-7

6 0

3 years ago

Angle a and angle b are complementary angles. The measure of ∠a is 42°.

olga nikolaevna [1]

I believe your answer would be B

7 0

4 years ago

Read 2 more answers

F(x) = 2x + 3and g(x) = 0 - 2 find (fxg)(-3)

Helga [31]

Step-by-step explanation:

f(X)-2

2(-2)+3

-1 answer

3 0

3 years ago

In a group of 60 people,31 speak french, 23 speak spanish and 14 no french or spanish.

Strike441 [17]

Answer:

French and Spanish = 8 , French = 23, Spanish = 15

Step-by-step explanation:

60 - 14 = 46

31+23 = 54

54-46 = 8

31- 8 = 23

23 - 8 = 15

15 + 23+8+14= 60

8 0

4 years ago