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joja [24]
2 years ago
15

Which expression is equivalent to (4−3)−6? 418 43 4−18 4−9

Mathematics
2 answers:
Assoli18 [71]2 years ago
8 0

(4-3)-6 = 1-6 = -5

4-9 = -5

The answer is 4-9

GarryVolchara [31]2 years ago
8 0
(4-3)-6=(1)-6=-5
4-9=-5
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The figure below shows a rectangle ABCD having diagonals AC and DB. ​
Keith_Richards [23]

Answer:  b) ΔADC ≡ ΔBCD by SAS

<u>Step-by-step explanation:</u>

Step 1: AD = BC                     SIDES are congruent

Step 2: ∠ADC ≡ ∠BCD          ANGLES are congruent

Step 3: DC = DC                    SIDES are congruent

The proof is using Side-Angle-Side (SAS)

Look at the angles in step 2.  These are the triangles you are proving congruency for: ΔADC ≡ ΔBCD

4 0
3 years ago
A badminton club has 330 members. 240 are adults and the rest are children. Two thirds of the children are boys and the rest are
Margaret [11]

Answer:

The number of boys last year will be 50 boys

Step-by-step explanation:

330 members with 240 adults

The number of children will be;

330-240 = 90

2/3 of 90 are boys

= 2/3 * 90 = 60 boys

Number of girls is 90-60 = 30

Ratio of adults:boys:girls

= 240:60:30

divide through by 30

= 8:2:1

b) A year ago, there were 200 adults but the ratio still remains same

Let the number of girls be x, the number of boys will be 2x

Thus, total number is 200 + x + 2x = 200 + 3x

Total ratio is 8 + 2 + 1 = 11

mathematically;

8/11 * (200 + 3x) = 200

8(200 + 3x) = 11(200)

1600 + 24x = 2200

24x = 2200-1600

24x = 600

x = 600/24

x = 25

So the number of boys will be 25 * 2 = 50

3 0
3 years ago
See attached photo. Please Help ASAP and Explain
nignag [31]
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Answer:

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Step-by-step explanation:

8 0
3 years ago
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adelina 88 [10]

Answer:

3x^{2}-5x+12-(5x^{2}+x-11)=-2x^{2}-6x+23

7 0
2 years ago
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