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aksik [14]
3 years ago
7

I need help plsssssss​

Mathematics
1 answer:
Svetllana [295]3 years ago
4 0

4)Area :32cm

5)18cm

6) 49cm

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How do you do this Problem using factoring (fx)=4x^2-25?
Yanka [14]

Answer: (2x+5)(2x−5)

Step-by-step explanation:For me, what i like to do is to try divide the problem into two parts. For example in this problem, you would divide the 4x^2 into two 4x(since 4x+4x = 4x^2). Then 25 can be divide into into 5s (5x5=25). SInce you know that its a negative 25, you know that it has to be a negative on one of the sides. So the answer in factor form is (2x+5)(2x−5)

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3 years ago
What is the value of the digit 1 in the number 41
Tems11 [23]
Its in the ones place.

7 0
3 years ago
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Which expression has a solution of 6, if r = 4?
nikitadnepr [17]

Answer:

1.

Step-by-step explanation:

1. 4 + 2 = 6

2. 4 - 4 = 0

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number 1 is the right answer

5 0
2 years ago
in ABC the measure of angle A is 2x+3 the measure of angle B is 4x+2 the measure of angle C is 2x-1 what are the measures of the
Virty [35]


IN A triangle, sum of all angles = 180 degrees

2x + 3 + 4x+2 + 2x -1 = 180

8x +4  = 180

8x = 176

x = 176 /8 = 22 degrees

the angles are A = 2(22)+3 = 44+3 = 47 DEGREES

B = 4(22)+2 = 88 + 2 = 90 DEGREES

C = 2(22) -1 44-1 = 43 DEGREES

7 0
3 years ago
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What is the image of (−3,−9) after a dilation by a scale factor of 1/3 centered at the origin.
denis-greek [22]

Answer:

(-1,-3)

Step-by-step explanation:

Multiply both x and y values by 1/3 or divide both by 3.

4 0
3 years ago
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