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Kay [80]
4 years ago
7

Factor the expression. d2 – 4d + 4

Mathematics
1 answer:
s344n2d4d5 [400]4 years ago
3 0
(D+2)2
Because d2 is just 2*d so it’s 2d-4d+4 subtract 2d from 4d and you get (2d+4) and you can factor out a 2 from that 2(d+2)
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4m-3(m +2) what is the answer step by step​
pishuonlain [190]

Answer:

-1m-6

Step-by-step explanation:

1. Multiply -3*m = -3m

2. Multiply -3* 2 = -6

3. Combine like terms : 4m + -3m = -1m

4. -1m - 6

5 0
3 years ago
On a test hailey answered 64 out of 75 questions correctly. What percent of her answers were correct? With the work please!!
Airida [17]
Set up a proportion

64/75= x/100

Cross multiply:
64*100=6400
6400/75= 85.33333....=x

Final answer: 85.333...%
8 0
3 years ago
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laiz [17]
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4 years ago
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Please help me if you can with this math problem
Viefleur [7K]

Answer:

m<BAC = 34

Step-by-step explanation:

It is given that (<BOC) is a central angle with a degree measure of (68). A central angle is an angle whose vertex is the center of the circle. (<BAC) is an inscribed angle, an angle whose vertex is on the circumference (perimeter) of the circle. Arc (BC) connects the ends of both of these angles.

The central angle theorem states that the measure of the central angle is equivalent to its surrounding arc. Using this theorem, one can state the following,

m<BOC = BC = 68

The inscribe angle theorem states that the measure of the arc surrounding the inscribed angle is twice the measure of the inscribed angle. Applying this theorem, one can state the following,

2(m<BAC) = (BC)

2 (m<BAC) = 68

m<BAC = 34

8 0
3 years ago
Need help with this as soon as possible
andrey2020 [161]

Answer:

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Step-by-step explanation:

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= 5\sqrt{5} + 2 \times 3

= 5\sqrt{5} + 6

= 6 + 5\sqrt{5}

4 0
3 years ago
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