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Maksim231197 [3]
2 years ago
7

Find the variable (this is special right triangles unit)

Mathematics
1 answer:
scZoUnD [109]2 years ago
6 0

Answer:

a= 10sqrt(2) , b= 10

Step-by-step explanation:

In the picture above that you can see the explanation of solution.

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[x + 3y = -4] [2x + 6y = 5]
stealth61 [152]

Step-by-step explanation:

x+3y=-4(eqn1)

x=-4-3y

from (eqn 2)

2(-4-3y)+6y=5

-8-6y+6y=5

y=5+8=13.

y=13

from eqn 1

x+3(13)=-4

x+39=-4

x=-4-39

x=-43.

3 0
3 years ago
Tea from Britain costs $2.50 to produce. It is sold in America at a price of $3.50 (to make a profit of $1.00) Tea in America co
jok3333 [9.3K]

Answer:

I would buy my tea from Britain.

7 0
3 years ago
Determine whether quantities vary directly or inversely and find the constant of variation. A teacher grades 25 students essays
Lesechka [4]
IDK the constant and quantities...
First, find how many hours it takes for him to grade 1 essay, 0.16. Then multiply that by 35 to get 5.6.
I hope this is right -_-'
8 0
2 years ago
What is the slope of a line parallel to the line whose equation is 4x + 5y = -35.
saw5 [17]

Answer:

y = -4/5x + 5

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

Step 1: Write equation in slope-intercept form

5y = -35 - 4x

y = -7 - 4/5x

Step 2: Write parallel line equation

y = -4/5x + 5

A parallel line is a line that has the same slope as the previous equation but a different y-intercept. They never intersect.

3 0
2 years ago
What power of 10 makes the number 3 equal 3,000
Ymorist [56]

Answer:

The third

Step-by-step explanation:

10,100,1000

1 zero

2 zeros

3 zeros

7 0
3 years ago
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