3 years ago

The number of points that lie on a period at the end of sentence are

Mathematics

1 answer:

Airida [17]3 years ago

7 0

Infinite is your answer :)

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A.<br> 2 • (3(5 + 2) - 1)

tankabanditka [31]

Step-by-step explanation:

2(3(7)-1)

= 2(21-1)

=2(20)

=40

5 0

3 years ago

Sharon is twice as old as Brian, and in 5 years the sum of their ages will be 25 years. Find their present ages.

Vinil7 [7]

Sharon's age= 2x
Brian's age= x

(2x-5)+(x-5)= 25
3x-10=25
3x=15
x=5
Brian is 5 years old and Sharon is 10

3 0

4 years ago

Bucket A has 5 1/2 gallons of water, but is draining at a rate of 3/4 gallons per hour. Bucket B has 2 1/4 gallons of water, but

Ivenika [448]

Answer:

9/0

Step-by-step explanation:

6 0

3 years ago

20.) Using the cross multiplication method, which of the following is the solution to 18/6x = 4/(x+3)?

Likurg_2 [28]

Answer:

B. 9

Step-by-step explanation:

7 0

3 years ago

Given that f(x) = x2 + 10x + 21 and g(x) = x + 7, find (f•g)(x) and express

sammy [17]

Answer:

Step-by-step explanation:

$given \\ f(x) = x ^{2} + 10x + 21 \: and \: g(x) = x + 7$

$as \: we \: know \: (f.g)x \: is \: same \: as$

$f(g(x))$

$so \:$

$f(x + 7) = ( x + 7) ^{2} + 10(x + 7) + 21$

$f(x + 7) = {x}^{2} + 14x + 49 + 10x + 70 + 21$

$f(x + 7) = x^{2} + 24x + 140$

$therefore$

$(f.g)x = {x}^{2} + 24x + 140$

3 0

3 years ago