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Sergio039 [100]
3 years ago
5

4x ²-1= HELP ME FAST IF ITS RIGHT ILL GIVE YOU BRAINLEIST !!!!!!

Mathematics
2 answers:
LenaWriter [7]3 years ago
6 0

Step-by-step explanation:

I hope it helps man Hope you will understand my answer

snow_tiger [21]3 years ago
5 0

Answer:

(2x+1)(2x−1)

Step-by-step explanation:

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there are 6 girls and 7 boys in a class. a team of 10 players is to be selected from each class. how many different combinations
galben [10]

Answer:

Answer: 286

Step-by-step explanation:

6+7=13

13C10=286  

Answer: 286

5 0
3 years ago
Azul has 4 green picks and no orange picks. You add orange picks so that there are 2 orange picks for every 1 green pick. How ma
Troyanec [42]

Answer:

12 picks total

Step-by-step explanation:

1. multiply 2 (orange picks) by 4 (green picks)

    2*4=8 total orange picks

2. add green picks (4) + orange picks (8)

    4+8=12

6 0
3 years ago
Im honestly too lazy to even attempt to do math anymore. can anyone help me with this question?​
Leya [2.2K]

Answer:

10÷20= 0.5

10×20=200

10+20=30

5 0
3 years ago
5. A ski slope is 310 yards long with a vertical drop of 220 yards. Find the
OleMash [197]
It helps to draw a picture so you can see which trig ratios to use but...

310 is the hypotenuse of the ski slope and the side length across from the angle you’re looking for is 220, the vertical drop.

You can use sin to find theta.

sinx= 220/310

sinx=0.70967...
x = sin inverse of 0.70967....
x = 45°
6 0
3 years ago
Ellis is painting wooden fenceposts before putting them in his yard. They are each 6 feet tall and have a diameter of 1 foot. Th
Dominik [7]

The amount of the paint that Ellis needs to paint all the surfaces of the 12 fenceposts will be 226.08 square feet.

<h3>What is a cylinder?</h3>

A cylinder is a closed solid that has two parallel circular bases connected by a curved surface.

Ellis is painting wooden fenceposts before putting them in his yard. They are each 6 feet tall and have a diameter of 1 foot. There are 12 fenceposts in all.

The amount of the paint that Ellis needs to paint all the surfaces of the 12 fenceposts will be

The area of the one fence post will be

Area = πdh

Area = 3.14 x 1 x 6

Area = 18.84 square feet

Then the paint for 12 fence posts will be

Total area = 12 x 18.84

Total area = 226.08 square feet

More about the cylinder link is given below.

brainly.com/question/3692256

#SPJ1

6 0
2 years ago
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