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Jobisdone [24]
3 years ago
15

Harvey is 3 times as old as Jane. The sum of their ages is 48 years. Find the age of each.

Mathematics
2 answers:
Marta_Voda [28]3 years ago
6 0
Alright, let's answer this -

Half of 48 is 24... 

Half of 24 is 12...

12 three times is 36...

36 + 12 is equal to 48. =)
adoni [48]3 years ago
3 0
H = Harvey
j = Jane

Harvey is 3 times as old as Jane = 3 times j

<span>The sum of their ages is 48 years.

sum = addition
 
The keyword is means use a equal sign so..

h + j = 48

h = 3 times j

3j + j = 48
4j = 48
4j / 4 = 48 /4 
j = 12

j = 12

Now lets find for Harvey. Harvey = 3 times j

Harvey = 3j = 3 times 12 = 36

Jane = 12
Harvey = 36

</span>
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A tank is capable of holding 36,18 and 72 litres of milk . Determine which is the greatest vessel which can be uses to fill each
ale4655 [162]

Answer:

Greatest vessel to fill each in exact number of times is 6 litres

Step-by-step explanation:

To solve this, we will find the greatest common factor of 36,18 and 72

Thus;

Their prime factors are;

18: 2, 3

36: 2, 2, 3, 3,

72: 2, 2, 2, 3, 3

The factors common to all of them are 2 & 3.

Thus;

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6 0
3 years ago
A baseball is thrown upward and its height after t seconds can be described by formula h(t)=−16t2+50t+5. Find the maximum height
asambeis [7]

h(t) = -16t² + 50t + 5

The maximum height is the y vertex of this parabola.

Vertex = (-b/2a, -Δ/4a)

The y vertex is -Δ/4a

So,

The maxium height is -Δ/4a

Δ = b² - 4.a.c

Δ = 50² - 4.(-16).5

Δ = 2500 + 320

Δ = 2820

H = -2820/4.(-16)

H = -2820/-64

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5 0
4 years ago
If pqrs is a square solve for x what do I do?
ICE Princess25 [194]

Answer:

x = 11

Step-by-step explanation:

Properties of a square,

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2). All interior angles of a square measure 90°.

From these properties,

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Since, diagonal QS bisects angle PQR,

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3 0
3 years ago
What is the 25th term given a₁ = 8 and r = 2?
kondaur [170]

Answer:

134217728

Step-by-step explanation:

The geometric sequence formula is:

\displaystyle{a_n = a_1r^{n-1}}

We know that \displaystyle{a_1=8} and \displaystyle{r=2}, we also want to find the 25th term, substitute n = 25:

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Therefore, the 25th term of sequence is 134217728

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2 years ago
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