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Lera25 [3.4K]
3 years ago
15

Help your poor girl out please. Thank you <3

Mathematics
2 answers:
dezoksy [38]3 years ago
6 0

Answer:

:)

Step-by-step explanation:

a)

48 = d + 23

48 - 23 = d + 23 - 23

25 = d + 0

25 = d

b)

W - 13 = 28

W - 13  + 13 = 28 + 13

W + 0 = 41

W =  41

c)

9x = 72\\\\\frac{9x}{9} = \frac{72}{9}\\\\x = 8

d)

84 = 4n\\\\\frac{88}{4} = \frac{4n}{4}\\\\22 = n

saul85 [17]3 years ago
5 0
I think the answer is a
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QUESTION 20
Elodia [21]

Answer:

B. -55

Step-by-step explanation:

La resta entre ambas funciones consiste en la sustracción de términos semejantes como demostraremos a continuación:

1) f(x) =-2\cdot x ^{2}-6 Dado

2) g(x) = x+4 Dado

3) (f-g)(x) = (-2\cdot x^{2}-6)-(x+4) Definición de resta de funciones.

4) (f-g)(x) = (-2\cdot x^{2}-6)+(-1) \cdot (x+4)        (-1)\cdot a = -a

5) (f-g)(x) = (-2\cdot x^{2}-6) + (-x-4) Propiedad distributiva/(-1)\cdot a = -a

6) (f-g)(x) = -2\cdot x^{2}-x+(-6-4) Propiedad conmutativa

7) (f-g) (x) = -2\cdot x^{2}-x-10 Sustracción de términos semejantes/Resultados.

A continuación, evaluamos la función resultante en x = -5:

(f-g)(-5) = -2\cdot (-5)^{2}-(-5)-10

(f-g)(-5) =-55

Por ende, la respuesta correcta es B.

8 0
3 years ago
Time Warner Cable charges $30 per hour and a trip fee of $55 for each service call.
r-ruslan [8.4K]

Answer:

y=30x+55

Step-by-step explanation:

$55 is constant because for each trip he will take $55 dollars so that gives you your y-intercept and m=$30 and x is the amount of hours worked. every time x increases he will be making more money

3 0
3 years ago
The segments shown below could form a triangle.<br><br> A. True<br> B. False
suter [353]

answer TRUE because they would make a triangle

7 0
3 years ago
Read 2 more answers
jala has an aquarium in the shape of a rectangular prism with the dimensions shown. what is the height of the of the aquarium ?
beks73 [17]
I think that it your answer is 12.4 but im not 100% sure 

plz mark brainiest

5 0
3 years ago
Read 2 more answers
Evaluate the expression for x = 3 y= 1/3 and z= 5. 12 x - 3y over 4 x - Z​
Zepler [3.9K]

Answer:

35.786

12(3) - 3(1/2)/4(3) - 5

This is then further simplified to:

36 - 1.5/7

And when you divide 1.5 by 7, the number (rounded) is .214.

Thus, subtract, and gain the final answer of 35.786.

Hope this helps!

Step-by-step explanation:

Can you please mark me brainliest

6 0
3 years ago
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