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kari74 [83]
3 years ago
7

PLS HELP ME WITH THIS PROBLEM thank you

Mathematics
2 answers:
Trava [24]3 years ago
4 0
Four as a fraction is four over one
So 8/56-4/1 is the set up
The least common multiple of 56 and one is 56 multiply the numerator and denominator of each fraction by whatever value will result in the denominator of each fraction being equal to the least common multiple
56

8/56-4/1
=8/56-4/1 4 multiply 56 and 1 multiply 56 (4/1 times n and d by 56)
=8/56-224/56
=8-subtract 224/56
=negative -216/56
=-216/56 divide -216 by 8 and 56 by 8
=-27/7
Which as a mixed number is -3 and 6/7
Hope this helps , if so mark as brainalist pls !
mylen [45]3 years ago
4 0

Answer:

-28/7

Step-by-step explanation:

First we need to make both denominators the same.

We can simplify the fraction on the left by dividing the top and bottom by 8.

This gives us;

⇒ \frac{1}{7}

To make the denominator of 4, 7 as well multiply 4 by 7;

⇒ \frac{28}{7}

Now this is easy as you can just subtract the numerators;

⇒ \frac{1}{7} - \frac{28}{7} = -\frac{27}{7}

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Nitella [24]

Answer:

10

Step-by-step explanation:

5 0
3 years ago
A 14 foot ladder is leaning against a building the base of the ladder is 5 feet away from the building how high up the building
padilas [110]

Answer:

a^2+b^2=c^2

Step-by-step explanation:

5^2+b^2=14^2

25+b^2=196

subtract 25 from both sides

b^2=171

take square root of 171

b=13.1

the ladder reaches 13.1 feet up the building

3 0
4 years ago
Need help and will be giving Brainliest
Katena32 [7]

Answer:

x-intercept (s):

For this case h (x) = 0

x2 - 2x - 8 = 0

(x-4) * (x + 2) = 0

x1 = 4

x2 = -2

y-intercept:

For this case x = 0

h (0) = (0)2 - 2 (0) - 8

h (0) = - 8

vertex:

We derive the equation:

h '(x) = x2 - 2x - 8

h (x) = 2x - 2

We match zero:

2x-2 = 0

x = 2/2

x = 1

We evaluate the function for x = 1

h (1) = (1)2 - 2 (1) - 8

h (1) = 1 - 2 - 8

h (1) = -9

The vertex is:

(1, -9)

axis of symmetry of the function:

x = 1

Step-by-step explanation:

hope it helps

6 0
3 years ago
En un aeropuerto dos aviones A1 y A1 se acercan para aterrizar, si la ecuación de la trayectoria del primero es -x+2y-100=0, mie
liraira [26]

No hay solución en la que ambas trayectorias estén en la misma posición, puesto que no existe el riesgo de que sufran un choque entre ellos.

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

La trayectoria del primero es:

-x + 2y - 100 = 0

x_1 = 2y - 100

Para el segundo, tiene-se que:

-x + 200 + 2y = 0

x_2 = 2y + 200

Igualando los valores de x:

x_1 = x_2

2y - 100 = 2y + 200

0y = 300

No hay solución en la que ambas trayectorias estén en la misma posición, puesto que no existe el riesgo de que sufran un choque entre ellos.

Un problema similar es dado en brainly.com/question/24653364

3 0
3 years ago
A circle has a radius of 3. An arc in this circle has a central angle of 60. What is the length of the arc ?
Mashutka [201]
This is the formula:

Arc length = 2(3.14)(3)(60/360)

18.84(60/360)

18.84 x 0.16 = 3

The length of the arc = 3

4 0
3 years ago
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