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Ilia_Sergeevich [38]
3 years ago
10

Saffron had some beads. On monday she gave half of her beads to her sister. On tuesday, she used 14 of her remaining beads to ma

ke a necklace and bought another 426 beads. In the end , she had 957 beads . How many beads Did saffron have at first ?
Mathematics
1 answer:
muminat3 years ago
4 0
(957-426+14)x2
(531+14)x2
545x2
=1090
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Irrotional<br>number I need a example​
tekilochka [14]

Irrational numbers are numbers that can not be written as a simple fraction. An example of one would be \pi. Pi is about 3.14, but it goes on forever. You can not write pi as a simple fraction.

6 0
4 years ago
I'm begging, please-
ollegr [7]

Answer: Hope this one helps :)

Part A: The length of each side is units long.

Part B: The dimensions are 5x-4 and 5x+4 units long.

Step-by-step explanation:

Part A:

-->

--> Multiply 9 times 4 to see the factors of that product

--> 9 times4 = 36

Factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, 36

Use the factor 6 and make it negative so -6

add another -6

Keep in mind that it is -6x

--> 9x^2-6x-6x+4

Separate the four terms into two different binomials

--> 9x^2-6x and -6x+4

Factor the binomials

With 9x^2-6x you can factor a 3x

So it will 3x(3x-2)

Do the same thing with -6x+4

You can factor out a -2

-2(3x-2)

The reason you factor out a -2 and not 2 is because it has to be same so in this case it is (3x-2)

Take the two numbers that you factored and put them to make an expression so (3x-2)

--> (3x-2)(3x-2) or (3x-2)^2

3x-2 is the length of each side so it is 3x-2 units long

Part B:

-->25x^2-16y^2

Use the difference of squares

take the square root of 25x^2

that is 5x

take the square root of 16y^2

that is 4y

write it in this way (5x+4y)(5x-4y)

These are the dimensions of the rectangle

5 0
3 years ago
If a couple were planning to have three​ children, the sample space summarizing the gender outcomes would​ be: bbb,​ bbg, bgb,​
olganol [36]

Answer:

a) bb, bg, gb, gg

b) 25% probability of getting two green dash eyed children.

c) 50% probability of getting exactly one blue dash eyed child and one green dash eyed child.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this question:

Total of eight outcomes.

a. Construct a similar sample space for the possible eye color outcomes​ (using b for blue dash eyed and g for green dash eyed​) of two children.

bb, bg, gb, gg

b. Assuming that the outcomes listed in part​ (a) were equally​ likely, find the probability of getting two green dash eyed children.

Four outcomes.

Of those, in one(gg), you get two green dash eyed children.

1/4 = 0.25

25% probability of getting two green dash eyed children.

c. Find the probability of getting exactly one blue dash eyed child and one green dash eyed child.

In two of those(bg and gb) you get one blue dash eyed child and one green dash eyed child.

2/4 = 0.5

50% probability of getting exactly one blue dash eyed child and one green dash eyed child.

6 0
3 years ago
What are the weights (in Newton’s) for the given masses 22.1,33.5,41.3,59.2,78
Blababa [14]

Answer:

1. 216.8 N

2.328.635 N

3. 405.153 N

4. 580.752 N

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Step-by-step explanation:

1. Let the mass is 22.1 kg, then the weight in Newton will be (22.1 × 9.81) = 216.8 N {Where acceleration due to gravity is 9.81 m/sec²}

2. Let the mass is 33.5 kg, then the weight in Newton will be (33.5 × 9.81) = 328.635 N {Where acceleration due to gravity is 9.81 m/sec²}

3. Let the mass is 41.3 kg, then the weight in Newton will be (41.3 × 9.81) = 405.153 N {Where acceleration due to gravity is 9.81 m/sec²}

4. Let the mass is 59.2 kg, then the weight in Newton will be (59.2 × 9.81) = 580.752 N {Where acceleration due to gravity is 9.81 m/sec²}

5. Let the mass is 78 kg, then the weight in Newton will be (78 × 9.81) = 765.18 N {Where acceleration due to gravity is 9.81 m/sec²}

(Answer)

4 0
3 years ago
Help me plssss i don’t know what the missing exponent is
Rzqust [24]

Answer:

?=7

Step-by-step explanation:

When you divide, you just subtract the exponents. so 5^11/5^?=5^4   ?=7

7 0
3 years ago
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