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Mashutka [201]
3 years ago
9

Please answer all questions ASAP. Don’t mind the answers, i think i’m not right. TIA

Mathematics
2 answers:
Lelechka [254]3 years ago
8 0

Answer:

1. 1.6

2. 1.5

3.1.3

dmitriy555 [2]3 years ago
3 0

Answer:

20. 50 mph. 21. 0 mph. 22. 60 mph. 23. 50 mph

Step-by-step explanation:

20. 150 Miles / 3 Hrs = 50 mph

21. No travel from hours 3 to 4, so 0 mph.

22. 300 Miles / 5 Hrs = 60 mph

23. 450 Miles / 9 Hrs = 50 mph

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Find the exact solution to the equation. 7-log2(x+5) = 6
Sindrei [870]

Answer:

x = -3

Step-by-step explanation:

You can try the answers to see which works. Or, you can actually solve the equation for x.

... 7 - log2(x+5) = 6

... 1 - log2(x+5) = 0 . . . . subtract 6

... 1 = log2(x+5) . . . . . . . add log2(x+5)

... 2 = x +5 . . . . . . . . . . . take the antilog

... -3 = x . . . . . . . . . . . . . subtract 5

5 0
3 years ago
2x + 3y = 3 and x + 6y = -3
jekas [21]

Answer:

Step-by-step explanation:

Multiplying x+6y=-3 with 2 so its equal to first eqn,

Eliminating,

2x + 3y = 3        (1)

2x +12y = -6       (2)                  (because subtracting)

------------------

      -9y =9

     ∴y=-1

eq. y in 1

2x -3=3

2x=3+3

x=6/2

=3

Pls mark me brainliest

4 0
2 years ago
1.-si el area de un rectangulo es de 144 metros cuadrados y su altura de 8 metros ¿ cual es el valor de su base?
kari74 [83]

Step-by-step explanation:

FÓRMULA:

144 m^{2} = b(8 m)

SE DESPEJA

b = 144 m^{2}/8 m = 18 m

5 0
3 years ago
Ann opened a new savings account with an initial deposit of $250. Which combination will result in a zero in balance in Ann's ac
Blababa [14]
C.  (10x3)10 - (27.5x2)10 = 0
8 0
3 years ago
I am thinking of an animal whose name starts with the letter e. Guess the<br> animal.
laiz [17]

Answer:

elk

Step-by-step explanation:

4 0
3 years ago
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