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Artyom0805 [142]
3 years ago
13

%7B3%7D%20" id="TexFormula1" title=" - \frac{4}{5} t + \frac{2}{5} = \frac{2}{3} " alt=" - \frac{4}{5} t + \frac{2}{5} = \frac{2}{3} " align="absmiddle" class="latex-formula">
Mathematics
1 answer:
algol [13]3 years ago
5 0

-  \frac{4}{5} t +  \frac{2}{5}  =  \frac{2}{3}

Multiply both sides by 15
- 12t + 6 = 10
Move constant to the right
- 12t = 10 - 6
Subtract the numbers
- 12t = 4
Divide both sides by - 12
t =  -  \frac{1}{3}
I hope that helped!!

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Help please! ill mark brainliest
lesya [120]

Answer:

90deg

Step-by-step explanation:

If the angles are supplementary, that means mA + mB = 180*

we know that

mA = (2x + 8)deg

mB = (2x + 8)deg = mA

mA + mB = 180deg

mB + mB = 2mB = 180deg

mB = 90deg

Note, that we did not need to compute x even, because the angles were the same.

6 0
3 years ago
There were 3 apple, 1 mixed fruit, 2 grape, and 4 tropical fruit juice boxes in the cooler at the picnic. What is the probabilit
goldenfox [79]

There are  10  juice boxes in the cooler altogether.
2  of them are grape.

The first time Jill pulls one out with her eyes closed,
the probability that it's a grape is

                                         2 / 10 .

If that try is successful, then there are  9  boxes left in the cooler,
and one of them is grape.

If she already has one grape, and reaches in again with her eyes
closed, the probability of pulling out the second grape is

                                        1 / 9 .

The probability of both events happening in two tries is

                           (2/10) x (1/9) = 2/90 = 1/45  =  (2 and 2/9) percent .

6 0
3 years ago
Read 2 more answers
What is the surface area of the triangular pyramid shown? Round to the nearest tenth.
Sloan [31]

Answer:

A. 57.6

Step-by-step explanation:

6 times 5.2 is 31.2. 4 times 5 is 20. 6 times 5 is 30. 6 times 5 is 30. (31.2/2)+(20/2)+30= 55.6 Then you round nearest tenth. 57.6.

8 0
3 years ago
Marley had $495.66 in her bank account after she paid her monthly bills. She took her sister out to lunch, and paid $38.90. How
SOVA2 [1]

Answer: the answer is $456.76

Step-by-step explanation: All you have to do is subtract 38.90 from 495.66 and get your answer

5 0
2 years ago
On March 17th, Pinny Sporting Goods accepted a credit card purchase for $900. The credit card company charges a 2% service fee.
Vera_Pavlovna [14]

Answer:

A : debit to Service Charge Expense of $18.

Step-by-step explanation:

First, one should calculate the value, in dollars of the credit card service fee

Fee = 2% x $900 = $18.

Since this fee is classified as "money coming out" of the account, the entry to a record of this transaction should include a debit to Service Charge Expense of $18.

The correct answer is alternative A.

*The whole purchase amount ($900) should be credited and the service expense should be debited, unlike alternative C, which merges both entries into one.

6 0
3 years ago
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