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jasenka [17]
3 years ago
5

Find the value of 9x + 4y, when x = 4 and y = -3.

Mathematics
2 answers:
drek231 [11]3 years ago
6 0
24
9x4+4x-3
36+-12=24
answer=24
NARA [144]3 years ago
3 0

Answer:

hope found the answers bye.

Step-by-step explanation:

9x + 4y - 4  =  0     

Putting in the x-value of -1, we get:

9(-1) + 4y - 4  =  0

Simplifying:

-9 + 4y - 4  =  0

Combining the -9 and the -4:

4y - 13  =  0

Getting rid of the -13 by adding 13 to both sides:

4y - 13 + 13  =  0 + 13

4y  = 13

Dividing both sides by 4:

y = 13/4

Checking:  Is 9(-1) +4(13/4) -4  really zero?    Yes!

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The cost of 4 cartons of fresh cream is $5.76. What is the cost of 13 such cartons? $16.25 $18.72 $18.76 $36.04
Natasha_Volkova [10]

Answer:

A

Step-by-step explanation:

8 0
3 years ago
Find KL and show work
MissTica

Answer:

<u>Secant</u>: a straight line that intersects a circle at two points.

<u>Intersecting Secants Theorem</u>

If two secant segments are drawn to the circle from one exterior point, the product of the measures of one secant segment and its external part is equal to the product of the measures of the other secant segment and its external part.

From inspection of the given diagram:

  • M = Exterior point
  • MK = secant segment and ML is its external part
  • MS = secant segment and MN is its external part

Therefore:

⇒ ML · MK = MN · MS

Given:

  • MK = (x + 15) + 6 = x + 21
  • ML = 6
  • MS = 7 + 11 = 18
  • MN = 7

Substituting the given values into the formula and solving for x:

⇒ ML · MK = MN · MS

⇒ 6(x + 21) = 7 · 18

⇒ 6x + 126 = 126

⇒ 6x = 0

⇒ x = 0

Substituting the found value of x into the expression for KL:

⇒ KL = x + 15

⇒ KL = 0 + 15

⇒ KL = 15

6 0
2 years ago
Read 2 more answers
Solve the compound inequality: <br> 3≤6−3x&lt;15
DerKrebs [107]

<span>solve <span><span>3≤−3x+6<15</span><span>3≤−3x+6<15</span></span></span>

Answer: (−3,1](−3,1]

<span>Approximate Form: <span><span>(<span>−3,1</span>]</span></span></span>

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3 years ago
Classifying the fruit in a basket as apple, orange, or banana, is an example of the ___________ level of measurement?
Serggg [28]

-ratio

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Answer:

Nominal

Step-by-step explanation:

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-interval level of measurement means that the distance that exists between values is important.

-Nominal means that the values are only named and there is no organization.

-Ordinal means that the values can be ordered by rank.

According to this, the answer is that classifying the fruit in a basket as apple, orange, or banana, is an example of the nominal level of measurement.

3 0
3 years ago
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MrMuchimi
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