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olya-2409 [2.1K]
2 years ago
10

Calculating a rate of change

Mathematics
1 answer:
algol [13]2 years ago
4 0

Answer:

2 1

Step-by-step explanation:

im not sure what the last one is

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Number 25 someone help me
Fittoniya [83]
The area of a triangle is given by the formula A= \frac{1}{2}Bh, where B is the base and h is the height. We can rearrange this formula to solve for B.

\dfrac{A}{ \frac{1}{2}h} = B\\ \\\\\dfrac{2A}{h} = B.

We plug in the given area, 640 square millimeters, and the given height, 32 millimeters.

B= \dfrac{2(640)\ mm^2}{32 \ mm} = 40 \ mm.

40 mm is our final answer.
5 0
3 years ago
John's age increased by 11 is 5 less than 5 times his age. How old is he?
pychu [463]
I hope this helps you




x+11=5x-5

4x=16

x=4
3 0
3 years ago
Read 2 more answers
The balcony of an apartment is 4 feet by 7 feet. On a scale drawing of the apartment, the balcony is 0.8 inch by 1.4 inches, and
-Dominant- [34]

Answer:

The actual dimensions of the kitchen are 12\ ft by 14\ ft

Step-by-step explanation:

step 1

Find the scale  of the drawing

To find the scale , remember that is equal to the ratio of  the corresponding dimension in the drawing divided by the corresponding actual dimension

so

\frac{0.8}{4}\frac{in}{ft}=0.2\frac{in}{ft}

step 2

To find the actual dimensions of the kitchen, divide the dimension in the drawing by the scale

so

2.4\ in=2.4/0.2=12\ ft

2.8\ in=2.8/0.2=14\ ft

6 0
3 years ago
Question 6
ad-work [718]

Answer:

The input for the method is a continuous function f, an interval [a, b], and the function values f(a) and f(b). The function values are of opposite sign (there is at least one zero crossing within the interval). Each iteration performs these steps: Calculate c, the midpoint of the interval, c = a + b2.

Step-by-step explanation:

trust

7 0
3 years ago
Kim rolls a dice and flips a coin. b) work out the probability that she gets an even number and a tail
puteri [66]
A)3/6=1/2
b)1/2
hope it helps if u need more explanation I will give u.
3 0
3 years ago
Read 2 more answers
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