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nekit [7.7K]
3 years ago
14

Please can someone answer the question on the attachment ‼️

Mathematics
1 answer:
Lena [83]3 years ago
4 0

Answer: C

Step-by-step explanation: brainliest

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Find x if L is between N and M, and NL = (6x - 5), LM = (2x + 3), and NM = (3x+13)?
anastassius [24]

Answer:

x = 3

Step-by-step explanation:

Here, we want to find the value of x

By mathematical convention;

NM = NL + LM

Now, substitute individual values

3x + 13 = (6x-5) + (2x + 3)

3x + 13 = 6x-5 + 2x + 3

3x + 13 = 8x -2

Collect like terms

8x -3x = 13 + 2

5x = 15

x = 15/5

x = 3

3 0
3 years ago
Which expression is equivalent to 7a³ (8a² + a)²-4a³?<br> Simplify.
valentina_108 [34]

7a³ (8a² + a)²-4a³ \\  \\ 7 {a}^{3}(8 { {a}^{2} + a)(8 {a}^{2} + a )} - 4 {a}^{3}  \\  \\ 7 {a}^{3} ( {8a}^{2} (8 {a}^{2} + a ) + a(8 {a}^{2} + a ) - 4 {a}^{3}  \\  \\ 7 {a}^{3} (64 {a}^{4}  +  8{a}^{3}  + 8 {a}^{3}  +  {a}^{2} ) - 4 {a}^{3}  \\  \\ 7 {a}^{3}  (64 {a}^{4}  +  16 {a}^{3}  +  {a}^{2} ) - 4 {a}^{3}  \\  \\ 448 {a}^{7}  + 112 {a}^{6}  + 7 {a}^{5}  - 4 {a}^{3}  \\  \\  {a}^{3} (448 {a}^{4}  + 112 {a}^{3}  + 7 {a}^{2}  - 4).

8 0
2 years ago
NEED HELP!!!
AnnyKZ [126]

Answer:

see explanation

Step-by-step explanation:

(1)

\frac{6}{2} = \frac{4}{p} ( cross- multiply )

6p = 8 ( divide both sides by 6 )

p = \frac{8}{6} = \frac{4}{3}

(2)

\frac{n}{4} = \frac{8}{7} ( cross- multiply )

7n = 32 ( divide both sides by 7 )

n = \frac{32}{7}

(3)

\frac{5}{3} = \frac{x}{4} ( cross- multiply )

3x = 20 ( divide both sides by 3 )

x = \frac{20}{3}

6 0
3 years ago
Show that the points A(2,-2), B(14, 10), C(11, 13) and
Vedmedyk [2.9K]

Answer:

  is not a rectangle

Step-by-step explanation:

The midpoints of the diagonals are ...

  AC midpoint = ((2, -2) +(11, 13))/2 = (13/2, 11/2)

  BD midpoint = ((14, 10) +(-2, 1))/2 = (6, 11/2)

The midpoints of the diagonals are different, so this is not a rectangle or any sort of parallelogram.

6 0
4 years ago
If you ask the first 50 females who enter a restaurant to complete a survey about their experience, who is the sample?
Anettt [7]

Answer:

the first girl

Step-by-step explanation:

because the first girl to take the survey is a sample but the rest that follows are just extras(can i get brainliest pls)

6 0
3 years ago
Read 2 more answers
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