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Evgesh-ka [11]
3 years ago
14

I really need help with this question, can you help?

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
6 0

Answer:

sure! whats the question?

Step-by-step explanation:

You might be interested in
Evaluate x/y + 5 w^2, for x = 2/3 and y = 5/6, and w = 3
tresset_1 [31]
2/3 / 5/6 + 5 (3)^2

= 2/3 * 6/5 + 45

= 12/15 + 45  

= 45 4/5  Answer
5 0
3 years ago
Solve this equation 7x+3=5(x-3)+2x
zaharov [31]

Answer: nonsense

Step-by-step explanation:

7x+3=5(x-3)+2x

7x+3=5x-15+2x

7x+3-5x+15-2x=0

18=0

Non-sense

8 0
3 years ago
A floor of a room is in the shape of square. It is to be covered with rectangular tiles that each have an area of 192 square inc
Grace [21]
Find area of room
aera=legnth wtimes width
in a square, legnth=width
aera=legnth^2
legnth=14 feet
convert o inches
14*12=168 inches
area=168^2=28224 square inches

how many tiles will cover all of floor?
aka
how many 192 in^2 is at least 28224 (at least, because we need to cover the whole floor without gaps)
192x<u>></u>28224
divide both sides by 192
x<u>></u>147

147 is the number of tiles we need

8 0
3 years ago
Read 2 more answers
Does y = 2x + 4 show direct variation?
Elza [17]

Answer:

no

Step-by-step explanation:

Direct variation is of the form

y = kx

This has a constant added

y = kx+b so it is not a direct variation

5 0
2 years ago
Read 2 more answers
Now find the change in x. The change in x is . The average rate of change of f(x) = x2 + 5x −−12 from x = −2 to x = 1 is
Ahat [919]

Answer:

The average rate of change = 4.

Step-by-step explanation:

Here we have formula.

Average rate of change = f(b) - f(a)

                                           -----------

                                            b - a

Given: f(X) = x^2 + 5x - 12 interval [-2, 1]

Here a = -2 and b = 1

f(a) = f(-2) = (-2)^2 + 5(-2) -12

= 4 -10 -12

f(-2) = -18

f(b) = f(1) = (1)^2 + 5(1) - 12

= 1 + 5 -12

f(1) = 6 -12

f(1) = -6

Now apply these values in the above formula, we get

Average rate of change = [-6 - (-18)] / [1 -(-2)]

= [ -6 +18]/1 +2

= 12/3

= 4.

Therefore, the average rate of change = 4.

Hope this will helpful.

Thank you.

6 0
3 years ago
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