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MrRa [10]
2 years ago
5

this wooden frame is made of three planks attached with glue and nails. the wood will be painted with emulsion paint which takes

70ml of paint per meter of wood. calculate the amount of paint needed to cover all the wood.​ there's a triangle right angle with the hypotenuse as 10m and the vertical side as 6m
Mathematics
1 answer:
Solnce55 [7]2 years ago
8 0

Answer:

this wooden frame is made of three planks attached with glue and nails. the wood will be painted with emulsion paint which takes 70ml of paint per meter of wood. calculate the amount of paint needed to cover all the wood.​ there's a triangle right angle with the hypotenuse as 10m and the vertical side as 6m

Step-by-step explanation:

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Help asap with math evaluate expression
madam [21]

Answer:

14

Step-by-step explanation:

you can simplify it by turning a²+b²/a-b

into

(a-b)²+2ab / a-b

eliminate the fraction

a-b +2ab

a=-1

b=-5

-1-(-5)+2*-1*-5

-1+5+10 = 14

5 0
2 years ago
Explain how to use a coordinate plane to find the area of a rectangle with vertices (–4, 9), (–4, –3), (–1, –3), and (–1, 9). wh
liberstina [14]

the formula for area of a rectangle is

Area = length x width

since both the length and the width of the rectangle lie on the same x and y axis, we can find the distance between the width and the distance between the length by subtracting

(-4,9) (-4,-3)

these points lie on the same x axis, so they create a vertical line

9-(-3) = 12

12 units is the distance between them

(-4,-3) (-1,-3)

these points lie on the same y axis, so they create a horizontal line

-1-(-4) = 3

3 units is the distance between them

now that we have the length and the width, we can find the area

A = 12 x 3

A = 36 units²

4 0
3 years ago
Read 2 more answers
If y = –0.96 when x = 2.4, what is y when x = 2.9?
Ksivusya [100]

Answer:

<u>It should be -1.16</u>

Step-by-step explanation:

Hope this helps :)

6 0
1 year ago
PLEASE HELP! giving BRAINLIEST AND GIVE CORRECT ANSWER AND EXPLAIN!
11111nata11111 [884]

The exercise is basiacally asking for the perimeter of the garden. The perimeter of a rectangle is twice the sum of its dimensions, so we have

P=2(6+11)=2\cdot 17=34

7 0
3 years ago
What is the slope of line a? <br><br>​
emmainna [20.7K]
<h3>Answer:  -1/4  (choice C)</h3>

========================================================

Explanation:

Start at the point (0,1). This is the y intercept, which is where the graph crosses the y axis.

Then move down 1 and over to the right 4 spaces. We arrive at (4,0) which is the x intercept.

The process of "down 1, over to the right 4" can be thought of like this

rise/run = -1/4

rise = -1

run = 4

A rise of -1 indicates we go down 1 unit

The run of 4 means we move to the right 4 units

So that's why slope = rise/run = -1/4

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

Here's another approach using the slope formula:

m = (y2-y1)/(x2-x1)

m = (0-1)/(4-0)

m = -1/4

I used the two points (0,1) and (4,0) as (x1,y1) and (x2,y2) respectively. This formula basically says "subtract the y coordinates, subtract the x coordinates in the same order, then divide the differences y over x".

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

Side note: The line moving downhill, as we read from left to right, indicates a negative slope.

5 0
2 years ago
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