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KATRIN_1 [288]
2 years ago
7

A taxi driver charges $3 for every kilometre driven, plus $4 per trip.

Mathematics
1 answer:
Stels [109]2 years ago
6 0
Last one is the answer pretty sure
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11 The sides of two similar triangle are in a ratio of 5:6. The area of the larger triangle is 108.
Elodia [21]

Answer:

The area of the smaller triangle is 75.

Step-by-step explanation:

Here, the ratio of the sides of the similar triangle are 5 : 6

The area if the larger triangle = 108

let us assume that the area of the smaller triangle = m

By the Theorem:

In two similar triangles, the ratio of the areas of similar triangles is the square of the ratio of their sides.

Similarly, here

[tex](\frac{5}{6}) ^2  = \frac{m}{108}[/tex]

⇒\frac{(5)^2}{(6)^2}   = \frac{m}{108}

or, \frac{25}{36}   = \frac{m}{108}  \implies m = \frac{108 \times 25}{36}  = 75

⇒ m = 75

Hence, the area of the smaller triangle is 75.

6 0
3 years ago
Let f(x)=−1/4(x+4)^2−8 . What is the average rate of change for the quadratic function from x=−2 to x = 2? Enter your answer in
kiruha [24]

Answer:

Average rate of change of function is -2.

Step-by-step explanation:

Given f(x)=\frac{-1}{4}(x+4)^2-8.

we have to find the average rate of change for the quadratic function from x=−2 to x = 2.

f(-2)=\frac{-1}{4}(-2+4)^2-8=\frac{-1}{4}(4)-8=-9

f(2)=\frac{-1}{4}(2+4)^2-8=\frac{-1}{4}(36)-8=-17

The average rate of change of the function  f(x) on interval [-2,2] is

\frac{f(b)-f(a)}{b-a}=\frac{f(2)-f(-2)}{2-(-2)}=\frac{-17-(-9)}{4}=\frac{-8}{4}=-2

3 0
3 years ago
A donut shop made 50 donuts. They put frosting on 33 of the donuts. What is the ratio of the number of donuts with frosting to t
shtirl [24]

Answer:

33:50

Step-by-step explanation:

if there are 50 donuts that gives you 1 part of your answer. Then you have 33 donuts frosted there the other part. Glad I can help

4 0
2 years ago
What’s the value of a ?
otez555 [7]
The answer is (B)16.
4 0
2 years ago
Please need help on this thank you
Katen [24]

multiply width times the height to get the rectangle area

5 x 7 = 35 units squared

I may be wrong but I think you may be over complicating it its okay I do that a lot too


8 0
2 years ago
Read 2 more answers
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