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Verdich [7]
2 years ago
13

Please help ill give brainlest

Mathematics
2 answers:
viva [34]2 years ago
5 0

Answer:

B and C

Step-by-step explanation:

We want to find the equations where y=10 is a solution. Let's plug 10 into each equation and solve.

A. y+11=22

10 +11 =22

Add 10 and 11.

21 ≠ 22

21 does not equal 22. This choice is incorrect.

B. 8= 18-y

8=18-10

Subtract 10 from 18.

8=8

8 equals 8. This choice is correct.

C. 60=6y

60=6(10)

Multiply 6 and 10.

60=60

60 equals 60. This choice is correct.

D. y/5=4

10/5=4

Divide 10 by 5.

2≠4

2 does not equal 4. This choice is incorrect.

E. 10y=20

10(10)=20

Multiply 10 and 10.

100≠20

100 does not equal 20. This choice is incorrect.

The equations where y=10 is a solution are B. 8=18-y and C. 60=6y

Ahat [919]2 years ago
3 0

Answer & Step-by-step explanation:

For this problem, we have to find the equations that have a value of 10 for the variable y. Immediately, we can eliminate some answers. We can eliminate A, D, and E because they all have a different value for the variable y. So, that leaves us with answer choices B and C.

In order to check to see if we are correct, let's plug in 10 for the y in answer choices B and C.

<u>B: </u>

8 = 18 - y

8 = 18 - 10

8 = 8

<u>C:</u>

60 = 6y

60 = 6(10)

60 = 60

So, as you can see, we are correct and we have successfully found the correct answer to the given problem.

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Answer:

two

Step-by-step explanation:

two pairs because four sides are parallel to each other.

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2. Calculate the amount of gallons needed to fill the pool shown below. (3 points)
hammer [34]

Answer:

52,322 gal

Step-by-step explanation:

will make it simple and short.

vol =  ( a + b ) * h/2 times the depth

vol = (10 + 4) x (40/2) x 30 = 8400 cu. ft.  ---------->>> then convert to gal.

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vol = 8400cu.ft. x ----------------- =  52,322 gal

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8 0
3 years ago
Please Someone help me i got a question and i have a exams please help! i have attached the picture help me!​
MAXImum [283]

Will recommend to keep in touch with picture as name of angles are based on it!

\\

So as you can see BA is parallel to DC as the arrow signs are made on it. And the figure has four sides , therefore we get to know that the above picture is of parallelogram.

\\

\rm\angle B = \angle D

How ?

As we know it's a parallelogram, so there's one property of parallelogram that opposite sides of Angle are equal.

\\

\hookrightarrow \sf2x =130 \degree

\\

\hookrightarrow \sf x =130  \degree\div 2 \degree

\\

\hookrightarrow \sf x = \dfrac{130}{2}

\\

\hookrightarrow \sf x = \dfrac{13 \times 10}{2}

\\

\hookrightarrow \sf x = \dfrac{13 \times\cancel{ 10}}{\cancel2}

\\

\hookrightarrow \sf x = \dfrac{13 \times5}{1}

\\

\hookrightarrow \sf x =13 \times5

\\

\hookrightarrow \sf x =65 \degree

\\

Now Let's find value of y.

\rm \angle DAB =\angle DCB

How ?

As we know it's a parallelogram, so there's one property of parallelogram that opposite sides of Angle are equal.

\\

\dashrightarrow \rm x = y

\\

\dashrightarrow \rm 65 = y

\\

\dashrightarrow \bf y = 65 \degree

\\

  • y + z + 60° = 180°

angles on same line

\\

  • 65 + 60 + z = 180°
  • 125° + z = 180°
  • z = 180° - 125 °
  • z = 55°

At last :-

x = 65°

y = 65°

z = 55°

4 0
2 years ago
Let be the mean annual salary of Major League Baseball players for 2002. Assume that the standard deviation of the salaries of t
Arlecino [84]

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Step-by-step explanation:

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irina1246 [14]

Answer:

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Step-by-step explanation:

Multiply the length by 1000

therefore, 1.5×1000

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