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den301095 [7]
3 years ago
11

20 POINTS FOR ONE SIMPLE QUESTION PLEASE HELP

Mathematics
1 answer:
Sergio [31]3 years ago
7 0
Yeah you did it right but good job!
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What are the solutions to the quadratic equation 0=(x−4)(x+2)?
Alex777 [14]

Answer:

x = 4,

x = -2

Step-by-step explanation:

( x - 4 ) ( x + 2 ) = 0

Find out when the equation is 0,

When x = 4,

substitute in 4 for x,

( 4 - 4 ) ( 4 + 2 ) = 0

(0) ( 6) = 0 (any number multiplied by 0 is 0).

When x = -2

Substitue in -2 for x,

( -2 - 4 ) ( -2 + 2 ) = 0

(-6) (0) = 0 (again, any number multiplied by 0 is 0).

4 0
2 years ago
Read 2 more answers
Please help with a Step by step!!! <br>Will mark Brainliest
Dvinal [7]

See the attached picture. You'll find a tree with four branches at level 1 (each of the four sectors of the spinner). Each of these branches is divided in four sub-branches: the possible results of tossing two coins (HH, HT, TH, TT).

So, there are 16 possible outcomes (numbered below each leaf).

If you want to roll an odd number, you have to take branch 1 or 3 at first level.

Then, for each of those, you have to toss exactly one head, so you have to take HT or TH.

The good outcomes are thus 2, 3, 10 and 11, leading to a probability of 4/16=1/4=25%.

3 0
3 years ago
How could you double the volume of the tent just by doubling just one of its dimensions?
Vsevolod [243]
V=B*h

To double the volume , we have to double the height

then V2=B*2h=2*V
7 0
3 years ago
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The height of three students in the class are given below. Order the students from shortest to tallest.​
miskamm [114]

Answer:

Janis, Carl, Catherine

Step-by-step explanation:

janis=1.666

carl=1.7

catherine=2.333

7 0
2 years ago
Write a description of how a diagram can help you solve 2×40
nasty-shy [4]

Let me explain like this .Suppose There are 40 people gathered somewhere for attending an event.Each Person has to be given 2 sweets for their arrival or for showing their presence in the event. Now 40 other woman joined them..Instead of getting two sweets each of them got one sweet.

Solution:   2 sweets × 40 people = 1 sweet × 80 people = 80  

2nd Way:

There are 40 rooms in a building.In  Each room we have to fix two bulbs. So How many bulbs are there in the building.

Solution →→→2 bulbs × 40 room = 80 bulbs

Diagram is depicted below for two parts.

4 0
3 years ago
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