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2 years ago

1/4 + 1/6= ? Help and im to lazy :p

1 answer:

8 0

Make bottom number de same

1/4 times 6/6=6/24
1/6 times 4/4=4/24

now we gots
1/4+1/6=
6/24+4/24=
(6+4)/24=
10/24=
5/12

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Clarissa analyzes a data set and finds that r=0.95 what is the coefficient of determination for her data set

asambeis [7]

2.983 than divide it by 2

4 0

2 years ago

1. The side view of Mrs. Marigold's roof on her house

Ostrovityanka [42]

Answer:

The height of Mrs. Marigold's roof is 10 feet.

Step-by-step explanation:

Given that,

Base of the given triangle = 48 ft

Hypotenuse = 26 ft

Half of the base = 24 ft

Using Pythagoras theorem,

$h=\sqrt{26^2-24^2}\\\\h=10\ ft$

So, the height of Mrs. Marigold's roof is 10 feet.

7 0

2 years ago

WILL GIVE EXTRA POINTS FOR ANSWER ⭐️⭐️!! PLEASE EXPLAIN IF POSSIBLE

Soloha48 [4]

Answer:

B. (-3, 10)

Step-by-step explanation:

I am going to graph the given equation. I then will see which of the points given are within the required area.

-> See attached.

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5 0

1 year ago

Pls help, thank you

Lemur [1.5K]

Answer:

y = -3x² + 7x - 9

Step-by-step explanation:

Given quadratic function:

y = ax² + bx + c

Points on the graph:

(-2,-35), (1,-5), (3,- 15)

Substitute values of x and y and solve the system of equations:

-35 = a(-2)² + b(-2) + c ⇒ -35 = 4a - 2b + c ⇔ eq 1
-5 = a(1)² + b(1) + c ⇒ -5 = a + b + c ⇔ eq 2
-15 = a(3)² + b(3) + c ⇒ -15 = 9a + 3b + c ⇔ eq 3

Subtract eq 2 from eq 1:

-35 - (-5) = 4a - 2b + c - a - b - c
-30 = 3a - 3b
b = a + 10 ⇔ eq 4

Subtract eq 2 from eq 3:

-15 - (-5) = 9a + 3b + c - a - b - c
-10 = 8a + 2b
b = -4a - 5 ⇔ eq 5

Compare eq 4 and eq 5, solve for a:

a + 10 = -4a - 5
a + 4a = -5 - 10
5a = -15
a = -3

Find the value of b using eq 4:

b = -3 + 10
b = 7

Find the value of c using eq 2:

-5 = -3 + 7 + c
c = -5 - 4
c = -9

We now have a, b and c:, the function is:

y = -3x² + 7x - 9

8 0

2 years ago

Read 2 more answers

Si Jose recarga su teléfono con ₡6000 y realiza 5 llamadas de 4 minutos, 3 llamadas de 6 minutos y manda 20 mensajes ¿cuanta rec

xenn [34]

Answer:

3220

Step-by-step explanation:

5x4=20

3x6=18

20+18=38

1=60

38x60=2280

20x25=500

2280+500=2780

6000-2780=3220

8 0

3 years ago