3 years ago

What is the range of possible values for x?

Mathematics

1 answer:

Rzqust [24]3 years ago

5 0

Answer:

0° < x < 17°

Step-by-step explanation:

Saw it on google

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Below is an Algebraic Proof that shows how the expression x(1+y) + y(2+x) is equivalent to x + 2xy + 2y. Some of the steps are l

harina [27]

Answer:

Step-by-step explanation:

Steps Property

x(1 + y) + y(2 + x) Given

x + xy + 2y + xy Distributive property

x + xy + xy + 2y Commutative property of addition

[a + b = b + a]

x + (xy + xy) + 2y Associative property of addition

[(a + b) + c = a + (b + c)]

x + 2xy + 2y Combine like terms

5 0

3 years ago

If EF=2.5 what is the value of FG

8090 [49]

Answer:

2.5

Step-by-step explanation:

By the perpendicular bisector theorem

7 0

3 years ago

Read 2 more answers

If the probability of an event is 26%, what is the probability of its complement occurring?

Anarel [89]

84%

100-26=84

26%+84%=100%

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3 years ago

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Maggie's brother is 8 years younger than four times her age. The sum of their ages is 67. How old is Maggie?

Nat2105 [25]

M + b = 67
b = 4m - 8

m + 4m - 8 = 67
5m - 8 = 67
5m = 67 + 8
5m = 75
m = 75/5
m = 15 <=== Maggie's age

b = 4m - 8
b = 4(15) - 8
b = 60 - 8
b = 52.....her brother is 52

3 0

3 years ago

Simplify the expression. 10C7 A. 1 B. 3,628,800 C. 604,800 D. 120

Sophie [7]

Answer:

Combination

Step-by-step explanation:

Here by 10C7 we actually mean, $C_{7}^{10}$

And the formula for evaluating mCn is

$=\frac{m!}{n!*(m-n)!}$

Therefore

10C7 =

$=\frac{10!}{7!*(10-7)!} \\=\frac{10!}{7!*3!} \\$

Where m! is called m factorial and can be evaluated as

m!= m*(m-1)*(m-2)*(m-3)*.......3*2*1

Hence

10!= 10*9*8......*3*2*1

7!= 7*8*6.....3*2*1

3!=3*2*1

With these we can evaluate

10C7

$=\frac{10*9*8*7*.....3*2*1}{(3*2*1)*(7*6*5....3*2*1)}\\=\frac{10*9*8}{3*2*1} \\=\frac{10*3*4}{1} \\=120$

Hence the answer is D

4 0

3 years ago