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MaRussiya [10]
2 years ago
13

WILL MARK BRAINLIST TO WHOEVER ANSWERS FIRST!!!!!!!1

Mathematics
1 answer:
valentina_108 [34]2 years ago
3 0

Answer:

D is my answer

B is my 2nd choice but im going with D hopefully im right and if I am, lmk

Step-by-step explanation:

remember it says which of the following equations can be used to determine NOT how much she will have after "w" weeks so it is not A.

C. is wrong because the 40 is supposed to come before the 20.

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The following table shows the distance from school as a function time
kykrilka [37]

Answer:

27,0 the distance away from the school​

Step-by-step explanation:

Apply the formula for equation of a straight line;

y=mx+c where c is the y intercept , and m is the gradient

From the graph, the slope is negative where speed decreases with increase in time

Find the gradient by applying the formula;

m=\frac{y_2-y_1}{x_2-x_1}

Taking y₁=24, y₂=20, x₁=9, x₂=12

Then;

m=\frac{20-24}{12-9} =\frac{-4}{3}

write the equation of the function as ;

y=mx+c, c=36( the y-intercept when x=0) hence the equation is;

y=mx+c\\\\y=\frac{-4}{3}x+36

To get x-intercept, substitute value of y with 0

y=mx+c\\\\\\y=-\frac{4}{3} +36\\\\\\0=-\frac{4}{3} x+36\\\\\frac{4}{3}x =36\\\\\\4x=36*3\\\\\\x=108/4=27

This means that the x-intercept is 27 ,and this means you will require 27 minutes to cover the whole distance to the school.

4 0
3 years ago
Read 2 more answers
Simplify to create an equivalent expression. 8(10-6q)+3(-7q-2)}8(10−6q)+3(−7q−2)
prisoha [69]
Answer: 3312q^2 - 9093q + 5914

Step-by-step-explanation:
7 0
3 years ago
Read 2 more answers
6.4−2.4÷0.1= what (Enter your answer in as a decimal please.)
mamaluj [8]
The answer would be -17.6.

Simplify 2.4 divided by 0.1 to 24 ( 6.4 - 24 )

Simplify ( -17.6 ).

3 0
3 years ago
Jo is going on an 8-day activity holiday. Each day she can choose one of the water sports: kayaking or sailing, or land-based sp
Ronch [10]

Answer:

6 ways

Step-by-step explanation:

Given

Number of Sports: 3

Required

Determine the total number of schedules

Since, there are 3 sports and the schedule is in no particular order.

The number of schedules is calculated as thus:

Number = n!\ ways

Where:

n = 3

So, we have:

Number = 3 * 2 * 1\ ways

Number = 6\ ways

3 0
3 years ago
(3 feet,9 inches)+(2 feet,11 inches)= feet, inches
stiv31 [10]
Hi there, 3 feet + 2 feet= 5 feet and 9 inches + 11 inches = 20 inches. Therefore the answer is 5 feet, 20 inches
6 0
3 years ago
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