3 years ago

A group of 4 adults and 5 children is visiting an amusement park.

Mathematics

2 answers:

Sergeu [11.5K]3 years ago

8 0

Answer:

105

Step-by-step explanation:

15 x 4 = 60

9 x 5 = 45

45 + 60 = 105

tia_tia [17]3 years ago

7 0

Answer:

105

Step-by-step explanation:

4x15=60

5x9=45

45=60=105

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The bill for a domestic power in a house is reduced from $120 to $90 per month. By what ratio has the bill been decreased?

rewona [7]

It is 25%. This is calculated by

$\frac{120-90}{120}=0.25$

8 0

3 years ago

The sum of number and 12 is 30 . determine the number

Allushta [10]

The answer for this problem is 16

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3 years ago

Given f(x)=4x+5 and g(x)= x^2+x; find (f∘g)(-5)<br> Please show all steps thank you

Greeley [361]

Answer:

$(f\circ g)(-5)=85$

Step-by-step explanation:

We are given:

$\displaystyle f(x)=4x+5\text{ and } g(x)=x^2+x$

And we want to find:

$(f\circ g)(-5)$

This is equivalent to:

$\displaystyle =f(g(-5))$

So, we will evaluate g(-5) first, which yields:

$\displaystyle g(-5)=(-5)^2+(-5)=25-5=20$

So:

$=f(g(-5))=f(20)$

Then:

$\displaystyle f(20)=4(20)+5=80+5=85$

Therefore:

$(f\circ g)(-5)=85$

6 0

3 years ago

Which of the following expressions are equivalent to 3(4h + 2k) ?

nordsb [41]

Answer:

B, C, and D are all equivalent to 3(4h+2k)

Step-by-step explanation:

We use the distributive property to say 3(4h+2k)=12h+6k

"A" distributes to 12k+6h

"B" distributes to 12h+6k

"C" distributes to 6k+12h (associative property works)

"D" is already distributed to 12h+6k

So A is wrong, and B, C, and D are right

Hope this made sense!

3 0

3 years ago

Read 2 more answers

Write the point-slope form of the given line that passes through the points (0, 3) and (4,0). Identify (x, y) as the X-

motikmotik

Answer:

y-3= -3/4 -(x+0)

Step-by-step explanation:

y2-y1 3-0= 3

x2-x1 0-4= -4

slope is - 3/4

y= mx=b

y = -3/4x + 3

6 0

3 years ago