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hichkok12 [17]
4 years ago
7

HELPPPPP PLZZZzzzzzz

Mathematics
2 answers:
Vesna [10]4 years ago
7 0

Answer: 7/15

Step-by-step explanation:

9/10-2/3

RUDIKE [14]4 years ago
3 0
7/15 is the correct answer
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It's 5 degrees outside and the temperature is expected to drop 4 degrees each hour for the next 3 hours. What will the temperatu
klemol [59]

I think it is - 5 I think

8 0
3 years ago
The measures of the angles RST are given by the expressions in the table.
Softa [21]
To find the value of x, and then find the angles of triangle RST, we first need to set up an equation equal to 180.

First, the equation = 180:

We have 31, x+4, and 3x+9.
What we can do is make an equation in which adds the angles to equal 180.
As so:

31 + x + 4 + 3x + 9 = 180

Combine like terms:

31 + x + 4 + 3x + 9 = 180
44 + x + 3x = 180
44 + 4x = 180

Now, we need to simplify this further by subtracting 44 from each side:

44 - 44 + 4x = 180 - 44
4x = 136

Next, to simplify this equation <em>even</em> further, we need to divide each side by 4 (Resulting in the x being alone on one side of the equation.)

4x / 4 = 136 / 4
x = 136 / 4
x = 34

Awesome! We now know that x = 34!
However, we are not completely finished with this problem. Let's continue.

To find the angles of S and T, we need to substitute 34 in for x:

S:
(x + 4)
(34 + 4)
38 <em>degrees</em>

T:
(3x + 9)
(3(34) + 9)
(102 + 9)
111 <em>degrees
</em>
<em />Amazing! We now can conclude all of the angles' measurements:
<em>R</em> = 31
<em>S</em> = 38<em>
</em><em>T = </em>111
Also, x = 34.

Hope I could help you out! If my math is wrong or it isn't the answer you were looking for, please let me know!
Have a good one.
8 0
3 years ago
Select the two values of x that are roots or this equation x^2-5x+2=0
salantis [7]

Answer:

(5/2, +-(square root 17)/ 2)

Step-by-step explanation:

1. find a,b, and c of the quadratic

2. use the quadratic formula to solve

5 0
4 years ago
PLEASE HELP ME WITH QUESTIONS 1 AND 2! NO LINKS OR SPAMS!!! THANKS!!!!!!!!!​
Neko [114]
Confused lol... can u give me more information
8 0
3 years ago
Only #8 please I need help and let me know how you got it.. thank you:)
Ket [755]
So investment is $140 and interest is 3% per yea
yo convert % to number 3/100 = .03
so for one year. $140 x .03 = $4.20/year
in two years you have $4.20+$4.20 =$ 8.40!

Answer is $8.40 or 2 years
7 0
4 years ago
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