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2 years ago

I need help with some tutorverse questions, thanks!

Mathematics

2 answers:

Aloiza [94]2 years ago

8 0

Answer:

11. c

12. c

Step-by-step explanation:

11. Since Angle RST = 60 degrees, Angle RTS = 60 degrees.

Triangle STU is a right triangle, so Angle STU and Angle SUT are both 45 degrees.

Angle RTS + Angle STU + Angle UTQ = 180 degrees

60 + 45 + Angle UTQ = 180

Angle UTQ = 180 - 105

= 75 degrees

12. Using the corresponding angles theorem, x = 45 degrees and y = 35 degrees.

x + y

45 + 35

Fynjy0 [20]2 years ago

5 0

Answer: I am not sure of question 11 but question 12 is C

Step-by-step explanation:

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Which values are solution to the inequality below? check all that apply.

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A,E,F
Sq rt of 25 is 5 and 5 is less than 10
Sq rt of 36 is 6 and 6 is less than 10
Sq rt of 9 is 3 and 3 is less than 10

3 0

3 years ago

A=4pi r squared solve for r squared

maxonik [38]

A=4pir^2
divide both sides by 4pi
$\frac{A}{4pi}=r^2$
$r^2= \frac{A}{4pi}$

8 0

4 years ago

18. A science teacher has a supply of 20% saline solution and a supply of 50% saline solution. How much of each solution should

IrinaK [193]

Answer: Option 'B' is correct.

Step-by-step explanation:

Since we have given that

There is a supply of 20% saline solution and a supply of 50% saline solution.

If a teacher wants to mix together to get 60 ml of 28% saline solution for an experiment.

We will use "Mixture Allegation" to find the quantity of each solution:

Ist type of solution II nd type of solution

20% 50%

28%

--------------------------------------------------------------------------------------

50%-28% : 28%-20%

22% : 8%

11 : 4

Since there is total quantity of 60 ml of solution.

So, Quantity of 20% solution in the mixture is given by

$\frac{11}{15}\times 60=11\times 4=44\ ml$

Quantity of 50% solution in the mixture is given by

$\frac{4}{15}\times 60=4\times 4=16\ ml$

Hence, there is 44 ml of the 20% solution and 16 ml of the 50% solution.

Therefore, Option 'B' is correct.

8 0

3 years ago

Margie calculated that she would spend $175 on school supplies this year. She actually spent $97.50 on school supplies. What is

emmasim [6.3K]

Error=175-97.5=77.5

percentage error=(77.5/97.5)*100
=79.48%

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4 years ago

There is a 22% chance it will rain tomorrow and a 6% chance of strong winds. What is the chance it will stay dry

Nata [24]

Answer:

72% if I get it wrong then I'm really sorry

Step-by-step explanation:

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2 years ago