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posledela
2 years ago
11

In the following diagrams calculate the

Mathematics
1 answer:
alex41 [277]2 years ago
4 0

Answer:

<em>x ≈ 6.5 , y ≈ 12.1</em>

Step-by-step explanation:

(2x)² + (10.2)² = (16.5)²

4x² = 272.25 - 104.04

x² = 168.21 ÷ 4

<em>x</em> = √(42.0525) ≈ <em>6.5</em>

y² = 42.0525 + 104.04 = 146.0925

<em>y</em> = √(146.0925) ≈ <em>12.1</em>

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Ms. Federman graded 5 papers in 40 minutes. At this rate, how many minutes will it take her to grade 30 papers?
Ksivusya [100]

Answer:

240 minutes

Step-by-step explanation:

If it's 40 minutes for just 5 papers, we need to figure how many minutes it would take to grade just 1. So you have to divide 40 by 5 which is 8. Then 8 time 30 which is 240.

4 0
3 years ago
Can you please help me with this?​
Lelu [443]

The answer should be look it up

8 0
3 years ago
Multiply the polynomial by distribution. Show your work and explain the steps you used to solve.
balandron [24]

Hello,

Why "Multiply the polynomial by distribution"  ?

It's s t u p i d, you compliquate the equation.

In order to find the roots of P(a)=(a-3)(a²+2a-6)=0

a²+2a-6

=(a²+2a+1)-7

=(a+1)²-7

=(a-√7)(a+√7)

P(a)=(a-3)(a-√7)(a+√7)

Roots are 3,√7 and -√7

(If i have well understood the question , sorry if not)

8 0
3 years ago
(19, -15) (-7,-15) Find slope from two points
Murrr4er [49]

Answer:

0

Step-by-step explanation:

slope= gradient

Gradient= Y2 - Y1 / X2 - X1

= -15-(-15)/-7-19 , = -15+15/-7-19

= 0

8 0
3 years ago
A field goal is worth 3 poins an extra point is 1 point. in 2016 adam vinaiteriof the indianapolis colts made a total of 71 fiel
Naddika [18.5K]

Answer:

field goal points: 213

extra points: 125

Step-by-step explanation:

Given that a field goal is worth 3 points, then the total points made by field goals are: number of field goals * 3. In the case of Adam, that is: 71*3 = 213 points.

An extra point is worth 1 point, then 125 extra points are equivalent to 125 points.

3 0
3 years ago
Read 2 more answers
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