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yawa3891 [41]
3 years ago
9

Correct answers will get brainliest

Mathematics
2 answers:
matrenka [14]3 years ago
7 0

Step-by-step explanation:

1 i dont know

2.

5(3y - 2) = 35 \\  = 15y - 10 = 35 \\  = 15y = 35 + 10 = 45 \\y  =  \frac{45}{15}  = 3

3.

\frac{88}{100}  =  \frac{22}{25}

kondor19780726 [428]3 years ago
4 0

Answer:

Step-by-step explanation:

I hope it could help u and if isn't clear then let me know ..

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Giving brainiest with legit answer is my answers correct?
muminat
Yes, this is all correct!
4 0
3 years ago
Two adjacent angles form a right angle. What type of angle pair do they form?
Yuliya22 [10]

Answer:

complementary angles

Step-by-step explanation:

Adjacent angles form a right angle.

A right angle is 90 degrees.

Two angles that add to 90 degrees are complementary.

The adjacent angles are complementary

7 0
3 years ago
A pound is about .45 kg. If I collected 3lbs of aluminum , how many kg. Did I collect ?
icang [17]

Answer:

You collected 1,395 kg.

Step-by-step explanation:

Since each pound would be 45 kg and you collected 31 pounds more then you would have to multiply 45 times 31.

3 0
3 years ago
Solve x:<br><br> 3x + 99x= 1224<br><br> 10 pts
Masja [62]
Answer is 12
Reason
Combine like terms
3x + 99 x = 1224
102x = 1224
Now solve for x
Divide both sides by 102
x= 12
3 0
1 year ago
Read 2 more answers
A mattress store sells only king, queen and twin-size mattresses. Sales records at the store indicate that the number of queen-s
Nitella [24]

Answer:

The probability that the next mattress sold is either king or queen-size is P=0.8.

Step-by-step explanation:

We have 3 types of matress: queen size (Q), king size (K) and twin size (T).

We will treat the probability as the proportion (or relative frequency) of sales of each type of matress.

We know that the number of queen-size mattresses sold is one-fourth the number of king and twin-size mattresses combined. This can be expressed as:

P_Q=\dfrac{P_K+P_T}{4}\\\\\\4P_Q-P_K-P_T=0

We also know that three times as many king-size mattresses are sold as twin-size mattresses. We can express that as:

P_K=3P_T\\\\P_K-3P_T=0

Finally, we know that the sum of probablities has to be 1, or 100%.

P_Q+P_K+P_T=1

We can solve this by sustitution:

P_K=3P_T\\\\4P_Q=P_K+P_T=3P_T+P_T=4P_T\\\\P_Q=P_T\\\\\\P_Q+P_K+P_T=1\\\\P_T+3P_T+P_T=1\\\\5P_T=1\\\\P_T=0.2\\\\\\P_Q=P_T=0.2\\\\P_K=3P_T=3\cdot0.2=0.6

Now we know the probabilities of each of the matress types.

The probability that the next matress sold is either king or queen-size is:

P_K+P_Q=0.6+0.2=0.8

8 0
3 years ago
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