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Vlad [161]
3 years ago
8

What is the percentage decrease from 40 to 28? :)

Mathematics
1 answer:
mafiozo [28]3 years ago
5 0

Answer:

70%

Step-by-step explanation:

Look it up

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HELP PLEASE I WILL MARK YOU BRAINLIEST!!!!!!!!!!!!!!!!
Natali5045456 [20]

Answer:

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6 0
2 years ago
Can a ray be bisected?
34kurt

Such a ray that divides an angle into two equal angles is called an angle bisector.

Likewise, two rays that divide an angle into three congruent angles are called angle trisectors. Figure %:

An angle bisected and trisected On the left, angle ABC is bisected by the ray BD.

Credits to google.

In short, no.

8 0
3 years ago
Find the equation of the line in slope-intercept form.<br><br><br>Slope is −7 and through (−3, 16) 
timama [110]

1) Create was we already know in the equation. 16=-7(-3)+b. (This is using the initial equation of y=mx+b.)

2) Simplify and solve for b: 16=21+b = -5=b

3) Replug your be value into your equation: y=-7x-5.

Answer

y=-7x-5

Words: y equals negative seven x, minus five.

6 0
3 years ago
Read 2 more answers
On Monday Harold picked up four donuts and two large coffees for the office staff. He paid 4.08. On Tuesday Melinda picked up tw
Mandarinka [93]
One way to look at this is to make 2 equations and treat it as a set of equations. We will make the cost of a donut equal to x, and the cost of a coffee equal to y.

Harold's order:
4x + 2y = 4.08

Melinda's order:
2x + 3y = 3.92

To combine these equations, we need to cancel out either x or y:
4x + 2y = 4.08
<span>2x + 3y = 3.92
</span>
4x + 2y = 4.08
<span>4x + 6y = 7.84
</span>
4x + 2y = 4.08
<span>-4x - 6y = -7.84
</span>
We can now combine these equations:
4x + 2y = 4.08
<span>-4x - 6y = -7.84
</span>
-4y = -3.76

y = 0.94

Therefore the cost of a large coffee is $0.94. We can plug this into either original equation to find the cost of a donut.
<span>4x + 2y = 4.08
</span>4x + 2(0.94) = 4.08
4x + 1.88 = 4.08
4x = 2.20
x = 0.55

The cost of a donut is $0.55, and the cost of a large coffee is $0.94.
8 0
3 years ago
The construction workers are constructing a line of bricks Each brick is 8 inches long. If feet long, how many will the construc
Ierofanga [76]
It would be 1.5 per foot, but how many feet do they want
4 0
3 years ago
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