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Afina-wow [57]
3 years ago
11

What is Thuy’s error?

Mathematics
2 answers:
tia_tia [17]3 years ago
8 0

Answer:

number b

Step-by-step explanation:

thuy should have written the ratio as 30/39

Gekata [30.6K]3 years ago
3 0
They should me number 29’
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3 over 3 - square root 5
DIA [1.3K]

Answer:

-1.236.

Step-by-step explanation:

3/3 = 1.

√5 = 2.236.

1.000 - 2.236 = -1.236.

the answer is negative because the smaller number is subtracting the larger number..........u just subtract the normal way,( the larger number take away the smaller number), but u should insert a negative sign to the answer.

5 0
3 years ago
Solve S=BC-8 for B<br> ..
klasskru [66]

Answer:B = S C + 8 C

5 0
3 years ago
Rewrite 7^5/7 with a single positive exponent
vaieri [72.5K]

Answer:

7^4

Step-by-step explanation:

to divide exponents we just subtract what the exponent is so we can write it like this

7^5/7^1= 7^5-1=7^4

Hopes this helps please mark brainliest

8 0
1 year ago
Given f (x) = x2 + 7, evaluate f (4).
Blizzard [7]

Answer:

f(4) = 23

Step-by-step explanation:

f(x) = x^2 + 7

Plug x = 4

f(4) = 4^2 + 7

f(4) = 16 + 7

f(4) = 23

8 0
3 years ago
Read 2 more answers
Rasheed is contemplating whether to buy a membership for a trampoline park, which is $50 a year. As a
docker41 [41]

Answer: 28 hours

Step-by-step explanation:

Hi, the cost for the trampoline park without a membership is equal to the price of the jump tickets per hour (12) multiplied by the number of hours (h).

Cost without membership= 12h

With the membership the price of each jump ticket has a 15% discount ( so, 100-15 =85% of the total price ). To calculate the cost for this case we have to add the cost of the membership 50, and multiply the cost of each jump ticket (12) by 0.85 (percentage in decimal form)

Cost with membership = 50 +12 (0.85) h

If both cost are equal:

50 +12 (0.85) h = 12 h

Solving for h

50+10.2h =12h

50= 12h-10.2h

50= 1.8h

50/1.8= h

27.78 =h

h =28 (rounded)

8 0
3 years ago
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