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GenaCL600 [577]
3 years ago
14

If ABCD is a parallelogram, what can we say about the diagonals BD and AC?

Mathematics
2 answers:
myrzilka [38]3 years ago
7 0

The answer is B. The diagonals of a parallelogram bisect each other.

BD ≅ AC.

lidiya [134]3 years ago
4 0
B. The diagonals bisect each other.
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Help please! Thank youuuuuy
ozzi

Step-by-step explanation:

can an.y gi.rl message me. i have no power to inbox

7 0
3 years ago
8 Connor the fruiterer sells two fruit packs.
Vesna [10]

The cost of 1 apple and 5 mangoes is $6.15.

Let's look at how to form and solve simultaneous equations in a word problem.

<h3>State assumption and define variables:</h3>

Assuming that the cost of each apple and mango is equal in both packs.

Let the cost of an apple be a and that of a mango be m.

<h3>Write equations based on given information:</h3>

10a +5m= 12 -----(1)

15a +4m= 14.15 -----(2)

<h3>Solve by elimination:</h3>

<u>Steps for solving equations with two variables</u>

  1. Ensure that the magnitude of the coefficients of one of the term is equal in both equations
  2. Eliminate the term with the chosen term through subtraction or addition
  3. Solve for the other term
  4. Substitute the value of the term found in (3) to find the value of the second term

<u>Working</u>

Here, I am making the value of the coefficient of m constant.

(1) ×4:

40a +20m= 48 ----(3)

(2) ×5:

75a +20m= 70.75 -----(4)

Moving on to step 2, we can eliminate the m term by subtracting equation (3) from (4). When the sign of the terms are equal, we use subtraction to eliminate the term. On the other hand, if one of the sign is positive and the other is negative, adding the two equations together will eliminate the term (provided that you have already ensured that the magnitude of the coefficient is equal).

(4) -(3):

75a +20m -(40a +20m)= 70.75 -48

Expand:

75a +20m -40a -20m= 22.75

Simplify:

35a= 22.75

Let's continue with step 3, where we solve for a.

a= 22.75 ÷35

a= 0.65

The cost of an apple is $0.65.

Now, moving on to step 4!

Substitute a= 0.65 into (1):

10(0.65) +5m= 12

6.5 +5m= 12

5m= 12 -6.5

5m= 5.50

5 mangoes costs $5.50.

Cost of 1 apple and 5 mangoes

= $0.65 +$5.50

= $6.15

Thus, the cost of 1 apple and 5 mangoes is $6.15.

4 0
2 years ago
36 is 0.9% of what number
algol13
400 
because you need to divide 36/0.09=400
8 0
2 years ago
How do u work out a whole number multiplied with a decimal
Margaret [11]

If you want to multiply a decimal by a whole number, just ignore the decimal point and multiply like normal! Then, bring the decimal point back for the answer. for example 2×0.2

first multiply 2*2=4

and then place the decimal we have one value after decimal so the answer is 0.4

6 0
3 years ago
The Eiffel Tower is 324 m tall. If a tourist is looking at it from 100 m away from the base,
romanna [79]

Answer:

80,94º

Step-by-step explanation:

What I've done is, first draw a triangle with a 90º angle and write down the height (324m) and the tourist's distance (100m).

So I calculated the tangent of the angle of the tourist.

The formula is tan=Oposite side/adjacent

tan=\frac{opposite side}{adjacent}

tan=\frac{324}{100} =3.24

And now with your calculator you press "shift" and "tan". Then introduce 3,24 and it will give you the result (80,94º).

I hope it helped.

4 0
2 years ago
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