3 years ago

Evaluate the expression 2y + 10 + y2 of y=8

Mathematics

1 answer:

Zepler [3.9K]3 years ago

8 0

Answer:

The answer is 42 have a great day.

Step-by-step explanation:

Please mark brainiest.

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2 years ago

The mean length of 10 childrens' index finger is 12.6cm.

ICE Princess25 [194]

Get total lengths by multiplying:

10 x 12.6 = 126

6 x 16.1 = 96.6

Add the total lengths together and divide by 16:

126 + 96.6 = 222.6

222.6 / 16 = 13.9125

Rounded to 2 decimal places = 13.91

answer: 13.91

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2 years ago

Consider the quadratic equation below. 4x^2-5=3x+4 Determine the correct set-up for solving the equation using the quadratic for

lidiya [134]

$4x^2-5=3x+4$

$4x^2 - 3x - 5 - 4 = 0$

$4x^2 - 3x -9 = 0$

$x= \dfrac{3 \pm \sqrt{3^2 - 4(4)(-9)}}{2(4)}$

$x = \frac 1 8 (3 \pm \sqrt{9(1 + 16)})$

$x = \frac 1 8 (3 \pm 3\sqrt{17})$

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3 years ago

Read 2 more answers

Solve for y<br>7y + 9 - 10y = -18<br>What is y simplify your answer as much as possible.

Tpy6a [65]

Y = 9

7y - 10y = -3y
bring down the 9 = -18 so

-3y + 9 = -18

9 - 9 = 0
- 18 - 9 = - 27

- 3y ÷ - 3 = y
- 27 ÷ -3 = 9

therefore y =9

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3 years ago

2. Rachel makes cranberry almond cookies. The number of cups of cranberries and the number of cups of almonds are shown in the t

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Answer:

Step-by-step explanation:

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