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tino4ka555 [31]
3 years ago
14

Answer please ! both questions 7 and 8

Mathematics
1 answer:
Elodia [21]3 years ago
3 0

Answer:

7) p=80

8)z= 19.2

Step-by-step explanation:

7th problem)

0.1p=8

p * 10^{-1}=8

\frac{p}{10}=8

p=80

8th problem)

\frac{z}{2.4}=8

z=8*2.4

z=19.2

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6 0
3 years ago
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c - 7 \geqslant - 3 \\ c \geqslant - 3 + 7 \\ c \geqslant 4
8 0
3 years ago
Hi what is the answer please to this question
Natali5045456 [20]

Answer:

B

Step-by-step explanation:

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3 0
3 years ago
Subtract 6 from me. Then multiply by 2. If you subtract 40 and then divide by 4, you get 8. What number am I?
aliina [53]

Answer:

42

Step-by-step explanation:

Let the number be "x"

We translate the word equation to algebraic equation.

First,

subtract 6 from me, so we have:

x - 6

Now,

Multiply by 2, so we have:

2(x-6)

Now,

Subtract 40, then divide by 4:

\frac{2(x-6)-40}{4}

Now, you get "8", so equate this to 8, we get:

\frac{2(x-6)-40}{4}=8

We now solve using algebra:

\frac{2(x-6)-40}{4}=8\\2(x-6)-40=4*8\\2(x-6)-40=32\\2x-12-40=32\\2x-52=32\\2x=32+52\\2x=84\\x=42

The number is 42

7 0
3 years ago
Create a Sample Space diagram and work out the probability - There is a 4 sided dice (numbers 1 to 4) and an 8 sided dice (numbe
tester [92]

Answer:

7 / 16

Step-by-step explanation:

Sample space is attached below :

Theoretical Probability of any event A

P(A) = (number of required outcome / Total number of possible outcomes)

Required outcome = sum greater than 7 = 14

Total number of possible outcomes = 32

P(sum greater than 7) = 14 / 32

P(sum greater than 7) = 7 / 16

3 0
3 years ago
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