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2 years ago

2/3 + y = 1/4. solve for y

Mathematics

1 answer:

Alika [10]2 years ago

7 0

Hi! Your answer for y will be y = -5/12

Step-by-step explanation:

1. Re arrange items. 2/3 + y = - 1/4

y + 2/3 = 1/4

2. Subtract 2/3 from each side.

y+2/3=1/4

y + 2/3 - 2/3 = 1/4 - 2/3

3. Simplify. Subtract the numbers. y = - 5/12

Hope this helps! Have a great day! :)

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Find the surface area of a right triangle prism with legs measuring 3 and 4 and a height of 10.

Hunter-Best [27]

Since we have a rectangle triangle, then we can find the other side of the triangle using the Pythagorean theorem.
We have then:
$L = \sqrt{3^2+4^2}$
$L = \sqrt{9+16}$
$L = \sqrt{25}$
$L = 5$
Then the surface area is given by the sum of the areas.
Triangle of the base and the top:
$A1 = (1/2) * (4) * (3)

A1 = 6$
Rectangle 1:
$A2 = (3) * (10)

A2 = 30$
Rectangle 2:
$A3 = (4) * (10)

A3 = 40$
Rectangle 3:
$A4 = (5) * (10)

A4 = 50$
Finally, the surface area is:
$A = 2A1 + A2 + A3 + A4
$
Substituting values:
$A = 2 * (6) + 30 + 40 + 50

A = 132$
Answer:
The surface area of a right triangle prism is:
B. 132

6 0

3 years ago

Please help me brainliest reward

lianna [129]

Step-by-step explanation:

it would be best to answer by the pictogram

4 0

3 years ago

If f(x)=3/x+2- sqrt x-3 f(7)=?

Dovator [93]

To get the answer, you need to solve the equation for x = 7.

f(7) = 3/7 + 2 - sqrt(7) - 3.

= 3/7 - 1 - sqrt(7).

If you need to simplify it further:

= -4/7 - sqrt(7).

If you need it in decimal form: = -3.2171798824

7 0

4 years ago

Read 2 more answers

Points A and B have coordinates A(-4, 2) and B(3,-6). Find the coordinates of point P, the weighted average of points A and B, i

lys-0071 [83]

Answer:

C) P(1, -26/7)

Step-by-step explanation:

You want the weighted average of A(-4, 2) and B(3,-6) using weights 2 and 5, respectively.

<h3>Weighted average</h3>

Each of the values is multiplied by the corresponding weight, and the sum of those products is divided by the total of the weights to obtain the weighted average.

P = (2A +5B)/(2+5)

P = (2(-4, 2) +5(3, -6))/7 = (-8 +15, 4 -30)/7 = (7, -26)/7

P = (1, -26/7)

The coordinates of P are (1, -26/7).

7 0

2 years ago

If we increase the number 100 by 10% and then reduce the resulting number by 20% what would the answer be plz show how u did it

Readme [11.4K]

Answer:

Step-by-step explanation:

The original number ⇒ 100

100 is increased by 10%

The result is 20% reduced.

Calculate increase.

100 × (1 + 10%)

100 × (1.1)

= 110

Calculate decrease.

110 × (1 - 20%)

110 × 0.8

= 88

4 0

3 years ago