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12345 [234]
2 years ago
8

Help?! Will mark brainliest

Mathematics
2 answers:
Juli2301 [7.4K]2 years ago
7 0

Answer(s):

3. Option B

4. Option D

Step-by-step explanation:

<u>Question 3:</u>

  • 2/3 = 1.2/x
  • => 2 × x = 1.2 × 3
  • => 2x = 3.6
  • => x = 3.6/2
  • => x = 1.8 [Option B]

<u>Question 4:</u>

  • 8/15 = 24/x
  • => 8 × x = 24 × 15
  • => 8x = 3 × 8 × 3 × 5
  • => 8x = 9 × 40
  • => 8x = 360
  • => x = 360/8
  • => x = 45 [Option D]
ycow [4]2 years ago
6 0

Answer:

Number 3 is x=1.8

Number 4 is x=45

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6x - 5y = 15, x=y+3 what does x and y equal
Natasha_Volkova [10]

Answer:

Step-by-step explanation:

6x - 5y = 15....... (1)

x=y+3..........(2)

Putting (2) in (1)

6(y + 3) - 5y = 15

6y + 18 - 5y = 15

6y - 5y = 15 - 18

y = -3

And x = y + 3

x = -3 + 3

x = 0

3 0
3 years ago
PLEASEE HELP WILL GIVE BRAINLEST 20 POINTS
Ket [755]
<h3>Answer:</h3>

For each birdhouse built, the total cost increases by $3.50.

<h3>Step-by-step explanation:</h3>

Let's try some of the answers and see if they work.

The "initial cost" will be the cost when 0 birdhouses are built.

... f(0) = 3.5·0 +24 = 24 . . . . . clearly, not $3.50

Then increasing the number of birdhouses by 1, the cost is ...

... f(1) = 3.5·1 +24 = 27.5 . . . . . the cost has gone up (not down) by $3.50

Clearly the total cost to build 1 birdhouse is not $3.50. (It is $27.50.)

___

Our exploration of the formula leads us to conclude ...

... For each birdhouse built, the total cost increases by $3.50.

5 0
2 years ago
In the diagram, is a diameter of the circle with center O. If m = 50°, what is m?
ololo11 [35]
<span>180-90-50=40 degrees</span>
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2 years ago
Ismael made a scaled copy of the following
bixtya [17]

Answer:

Options (A), (B) and (C)

Step-by-step explanation:

In the given figure,

Length of side AD = 16 units

If this side is scaled by a factor = k

Then the length of the corresponding side will be = 16k

If 0 < k < 1,

Then length of the corresponding side will be less than 16.

[Example: If k = \frac{1}{4}

Therefore, scaled side of the corresponding side of the quadrilateral = 16\times \frac{1}{4} = 4]

That means length of corresponding sides may be 4, 6.5 and 12.

Options (A), (B) and (C) will be the answer.

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3 years ago
2x - 5 &gt; -9<br> solve inequality
n200080 [17]

Answer:

x>-2

Step-by-step explanation:

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1 year ago
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