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Aleonysh [2.5K]
3 years ago
8

This is 7th grade math, I need help with this pls

Mathematics
2 answers:
podryga [215]3 years ago
7 0

Answer:

its 0.4%

Step-by-step explanation:

NeTakaya3 years ago
6 0

Answer:

20%

Step-by-step explanation:

Earlier snow depth = 2 feet

Later snow depth = 1.6 feet

Change

2 - 1.6

0.4 feet

Percentage change

(0.4 / 2) * 100

20%

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I have no clue what −4 − (−6) is
Ratling [72]

Answer:

Let me help: If your school does keep change change the problem would become; -4+6=2 (More positive), and if not still 2.

Step-by-step explanation:

-4 Keep

- Change=+

Change -6=6

-4+6=2

It is a bigger number than 2 and using common knowledge, more negative=Negative, more positive=+, and if it's equal=0

brainliest?

4 0
3 years ago
a rectangle has an area of 30 square meter and a perimeter of 34 meters. what are the dimensions of rectangle?
kow [346]
A=lw
P=2l+2w

30=lw
34=2l+2w

30=lw --> w= \frac{30}{l}

34=2l+2( \frac{30}{l}) \\ 34=2l+ \frac{60}{l}  \\ 34l=2l^2+60 \\ 2l^2-34l+60=0 \\ 2(l-2)(l-15)=0 \\ l=2, 15

30=(2)w
15=w

30=(15)w
2=w

The dimensions can either be 15 x 2 or 2 x 15.
3 0
4 years ago
Simplify 8x^2-x-12x+2x2​
balu736 [363]

Answer:

Simplify: 8 2 − 1 3 + 2 2

Step-by-step explanation:

Solution: 1 0 2 − 1 3

3 0
3 years ago
Express answer in exact form. Show all work for full credit.
Gennadij [26K]

Answer:

Area segment = 3/2 π - (9/4)√3 units²

Step-by-step explanation:

∵ The hexagon is regular, then it is formed by 6 equilateral Δ

∵ Area segment = area sector - area Δ

∵ Area sector = (Ф/360) × πr²

∵ Ф = 60° ⇒ central angle of the sector

∵ r = 3

∴ Area sector = (60/360) × (3)² × π = 3/2 π

∵ Area equilateral Δ = 1/4 s²√3

∵ The length of the side of the Δ = 3

∴ Area Δ = 1/4 × (3)² √3 = (9/4)√3

∴ Area segment = 3/2 π - (9/4)√3 units²

4 0
3 years ago
If x-3 = 10, then x =
aalyn [17]
Add 3 on both sides
x = 13
I hope this helps you!
6 0
3 years ago
Read 2 more answers
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