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Marrrta [24]
3 years ago
7

Simplify 3(7-3) the second power -4(6+2)

Mathematics
2 answers:
expeople1 [14]3 years ago
8 0

Answer:

112

Step-by-step explanation:

3(7-3) = 3 x 4 = 12

12^2 = 144

144 -4(6+2)

144-4(8)

144-32

112

MariettaO [177]3 years ago
7 0

\bf \stackrel{\mathbb{P~E~M~D~A~S}}{3(7-3)^2-4(6+2)}\implies 3(\stackrel{\downarrow }{4})^2-4(\stackrel{\downarrow }{8})\implies 3(\stackrel{\downarrow }{16})-4(8) \\\\\\ \stackrel{\downarrow }{48}-4(8)\implies 48-\stackrel{\downarrow }{32}\implies 16

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QUICK FAST HURRY ANSWER PLEASE 2 3/4 * 1 1/4 WILL BRAINLY IF ANSWERED CORRECTLY
Ierofanga [76]
1. 2 3/4 = 11/4(2 * 4 + 3)
2. 1 1/4 = 5/4(1 * 4 + 1)

11/4 * 5/4 = 55/16 OR 3 7/16 if simplified.
7 0
3 years ago
Use the Law of Sines to find the length of AC
ddd [48]
<h3>Answer:  30.78181 meters</h3>

The value is approximate. Round that however you need to.

========================================================

Explanation:

  • lowercase a = side opposite angle uppercase A
  • lowercase b = side opposite angle uppercase B
  • b = AC

Using the law of sines, we can say:

a/sin(A) = b/sin(B)

45/sin(30) = b/sin(20)

b/sin(20) = 45/sin(30)

b = sin(20)*45/sin(30)

b = 30.78181 approximately

You'll need to make sure your calculator is in degree mode.

3 0
2 years ago
Long’s Coffee Shop sells a refill mug for $8.95. Each refill costs $1.50. Last month,
dem82 [27]

Answer: 12 refills

Step-by-step explanation:

y = 8.95 + 1.50x

26.95= 8.95 + 1.50x

26.95 - 8.95 = 1.50x

18 = 1.50X

18 / 1.50 = x

X = 12

8 0
2 years ago
Help me with this please
tankabanditka [31]

Answer:

  73/39

Step-by-step explanation:

The slope of the given line is the coefficient of x in the given equation, which we recognize as being in slope-intercept form.

The slope of the perpendicular line will be the opposite reciprocal of this:

  -1/(-39/73) = 73/39 . . . . slope of the perpendicular line

3 0
2 years ago
Which expression is equivalent to 3x + 14 + 3x + 10?
NemiM [27]
So,

3x + 14 + 3x + 10

Let's put the placeholders together to make it simpler.

3x + 3x + 14 + 10

Collect Like Terms
6x + 24

This is simplified.

Option D, when multiplied, gives 6x + 24.  So that is the correct option.
4 0
3 years ago
Read 2 more answers
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