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Pavel [41]
3 years ago
7

How do you know when to use the Estimation strategy vs the Guess and Check strategy ?​

Mathematics
1 answer:
Grace [21]3 years ago
6 0
The guessing strategy only works when you don’t u don’t understand a question so I advise you NOT to do it , only when it’s necessary but the Estimation strategy works when you don’t have a any but a answer where theirs decimals or a answer that is close to one another and can be rounded
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Will mark brainliest....what is the value of x?!?!?!
Charra [1.4K]

Answer:

Can you please provide a problem

The value of x is the final solution you get in your problem

Step-by-step explanation:

For example

10x = 50

X = 50/10

X = 5

The value of x is 5

4 0
3 years ago
F (x)= -3x+10 and g (x) = x^2-7x<br> f(-5)=<br> g(2)=<br> f(4m)=
pav-90 [236]

we have f (x)= -3x + 10

so f(-5)= (-3)(-5) +10 = 15 + 10 = 25

we have g (x) = x^2 - 7x

so g(2)= 2^2 - 7.2 = 4 - 14 = -10

we have f (x)= -3x + 10

so f(4m)= -3(4m)+10 = -12m + 10

ok done. Thank to me :>

7 0
3 years ago
A culture of 3,000 bacteria quadruples in number every 10 hours. Plt) represents the
Levart [38]

Answer:

P(t) = 3000 * 4^(t/10)

Step-by-step explanation:

There is more than one way to get an exponential function out of the information given.  The way the question is worded, however, seems to suggest the following type of answer:

One general form of the exponential function is y = a·bx, where a is the initial value, and b is the growth or decay factor.  So right away we can say that a = 2300.

Now for the growth factor.  When something is increasing or decreasing by a certain percentage, we are adding or subtracting that percentage to the 100% (which is equal to 1) that exists currently.  So here we're increasing by 11%, or 0.11.  Then the growth factor b is (1 + 0.11), or 1.11.

4 0
3 years ago
Plz help with this one I have ten minutes to turn it in! Will give u points! And mark u BRAINLY
Neporo4naja [7]
I think it’s -3,0,0 but i’m not 100% sure
8 0
3 years ago
Read 2 more answers
A 5 mile jogging path diagonal divides a rectangular park in half. The park is 4 miles long. Find the width of the park.
levacccp [35]

Answer:  The required width of the park is 3 miles.

Step-by-step explanation:  Given that a 5 mile jogging path diagonal divides a rectangular park in half and the park is 4 miles long.

We are to find the width of the park.

As shown in the attached figure below, the diagonal BD divides the rectangle ABCD into two equal parts,

where length DA = 5 miles, BD = 4 miles and AB = width = ?

Since each angle of a rectangle is right-angle, so triangle ABD will be a right-angled triangle.

Using Pythagoras theorem in triangle ABD, we have

BD^2=AB^2+DA^2\\\\\Rightarrow AB=\sqrt{BD^2-DA^2}\\\\\Rightarrow AB=\sqrt{5^2-4^2}\\\\\Rightarrow AB=\sqrt{25-16}\\\\\Rightarrow AB=\sqrt{9}\\\\\Rightarrow AB=3.

Thus, the required width of the park is 3 miles.

7 0
3 years ago
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