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BARSIC [14]
3 years ago
5

Miranda is 6 years older than her brother. The sum of their age is 20. What is

Mathematics
2 answers:
masha68 [24]3 years ago
5 0

Answer:

she is 13

Step-by-step explanation:

her brother is 7.

13+7=20

Ymorist [56]3 years ago
5 0

Answer

miranda is 13 and her brother is 7

Step-by-step explanation:

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What is two ways to rewrite 21x^2 -42x +14 in equvalent form? i really need help here lol-​
kozerog [31]

Answer:

7(3x^2-6x+2)

Step-by-step explanation:

21, 42, 14 they can be divided by 7 so we put 7 out

5 0
2 years ago
Which of the following expressions represents the least common multiple of 15, 18, and 25?
Virty [35]

Answer:

(2)(3^2)(5^2)

Step-by-step explanation:

we know that

The <u>Least Common Multiple</u> (LCM) of a group of numbers is the smallest number that is a multiple of all the numbers.

we have

15,18 and 25

Decompose the numbers in prime factors

15=(3)(5)

18=(2)(3^2)

25=(5^2)

Multiply common and uncommon numbers with their greatest exponent

so

The LCM is equal to

LCM=(2)(3^2)(5^2)

LCM=450

7 0
3 years ago
HELP ASAPPPP<br><br><br> please help me
Flauer [41]

Answer:

x=3, y=4

Step-by-step explanation:

hope this helps!

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4 0
2 years ago
In the United States, there are 59 different species of mammals that are endangered,
jolli1 [7]

Given Information:

Number of endangered mammal species = 59

Number of endangered bird species = 75

Number of endangered fish species = 68

Required Information:

Probability of either a  mammal or a fish = ?

Answer:

P(mammal or fish) = 127/202 = 0.6287 = 62.87%

Step-by-step explanation:

We want to randomly select one animal and find out the probability of either a mammal or a fish.

The total number of endangered species of animals is given by

Total animals = mammal species + bird species + fish species

Total animals = 59 + 75 + 68  = 202

The probability of selecting a endangered mammal is

P(mammal) = no. of endangered mammal/total no. of endangered animals

P(mammal) = 59/202

The probability of selecting a endangered fish is

P(fish) = no. of endangered fish/total no. of endangered animals

P(fish) = 68/202

Finally, the probability of selecting either a mammal or a fish is

P(mammal or fish) = 59/202 + 68/202

P(mammal or fish) = 127/202

P(mammal or fish) = 0.6287

P(mammal or fish) = 62.87%

8 0
3 years ago
What is the y value in this equation ?X(0)=(-1/3y)+6
snow_lady [41]

Answer:

18

Step-by-step explanation:

8 0
3 years ago
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