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madreJ [45]
3 years ago
9

Can someone please help me?

Mathematics
1 answer:
lozanna [386]3 years ago
6 0
Im sorry i  honestly dont know

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Please do number 18 for me.
ad-work [718]

Step-by-step explanation:

angle S + angle W + angle STW = 180

(7x + 6) + (7x + 1) + angle STW = 180

So angle STW = 180 - (7x + 6) - (7x + 1)

angle STW + angle STP = 180 (straight angle = 180)

180 - (7x + 6) - (7x + 1) + angle STP = 180

angle STP = 180 - 180 + (7x + 6) + (7x + 1)

= 7x + 6 + 7x + 1

= 14x + 7

15x = 14x + 7

x = 7

angle STP = 15x = 15(7) = 105

8 0
3 years ago
An oil company fills 1 over 12 of a tank in 1 over 3 hour. At this rate, which expression can be used to determine how long will
IrinaK [193]

Answer:

(1/3)x12 hrs

Step-by-step explanation:

5 0
3 years ago
Solve for x and write your answer in simplest form: -(6/5x + 6) + 2 = -4/5(-5x + 7)
julia-pushkina [17]

Answer:

4/13

Step-by-step explanation:

-6/5x - 6 + 2=4x - 28/5

-6/5x - 4=4x - 28/5

-6/5x - 4x= -28/5 + 4  (multiply each side by 5)

-6x - 20x= -28+20

-26x= -8 (divide each side by 26)

-x= -8/26 (multiply each side by -1)

x= 8/26 (reduce)

x= 4/13

3 0
3 years ago
Read 2 more answers
A science teacher has a supply of 50% sugar solution and a supply of 80% sugar solution. How much of each solution should the te
mash [69]
How much of each solution should the teacher mix together to get 105 ML of 60% sugar solution for an experiment?

1. Look at how 60% is closer to the solution of lower concentration (50%). You can deduce that you will be mixing a higher volume of the 50% solution.

2. All 4 answers add up to 105ml.

3. The intuitive answer is the first option:
70 ML of the 50% solution and 35 ML of the 80% solution

4. Let's check whether point 3 is true.
70ml/105ml X 0.5 + 35ml/105ml X 0.8 = (35 + 28)/105= 63/105= 60% / 105 ml = 105ml of 60% sugar solution
3 0
3 years ago
What is the approximate area of the circle shown below
user100 [1]
Omg I need the same thing can someone help ??
7 0
3 years ago
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