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KatRina [158]
2 years ago
8

I have 10 apples and lost 5 then got 5 more apples from my mom. My mom also gave me 20 oranges so i ate 12 oranges and 5 apples

how many oranges do i have left over?
Mathematics
2 answers:
In-s [12.5K]2 years ago
4 0

Answer:

you would have 8 oranges and 5 apples

Advocard [28]2 years ago
3 0
10 apples and 8 oranges.

- you started with 10 apples, then you lost 5 apples. So you currently have 5 apples. However, you get 5 more apples so now you have 10 because 5+5=10.
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Factor of 4-(2a+3b)^2
Anna71 [15]

4-(2a+3b)^2

(2a+3b)^2 :

4a^2+12ab+9b^2

= 4-(4a^3+12ab+9b^2)

=-(4a^2)-(12ab)-(9b^2)

apply minus -  plus rules :

+(-a)=-a

Refine:

=-4-4a^2-12ab-9b^2

<span>hope this helps!</span>
7 0
3 years ago
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solmaris [256]
If they don't have water they can die because they breathe water.
8 0
3 years ago
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F(x)=x^2-3x+15<br> find f(-8)
Vlada [557]

Answer:

103

Step-by-step explanation:

(-8)²-3(-8)+15

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103

8 0
2 years ago
Weights of cars passing over a bridge part 2<br>​
DaniilM [7]

Step-by-step explanation:

The solution to this problem is very much similar to your previous ones, already answered by Sqdancefan.

Given:

mean,  mu = 3550 lbs (hope I read the first five correctly, and it's not a six)

standard deviation, sigma = 870 lbs

weights are normally distributed, and assume large samples.

Probability to be estimated between W1=2800 and W2=4500 lbs.

Solution:

We calculate Z-scores for each of the limits in order to estimate probabilities from tables.

For W1 (lower limit),

Z1=(W1-mu)/sigma = (2800 - 3550)/870 = -.862069

From tables, P(Z<Z1) = 0.194325

For W2 (upper limit):

Z2=(W2-mu)/sigma = (4500-3550)/879 = 1.091954

From tables, P(Z<Z2) = 0.862573

Therefore probability that weight is between W1 and W2 is

P( W1 < W < W2 )

= P(Z1 < Z < Z2)

= P(Z<Z2) - P(Z<Z1)

= 0.862573 - 0.194325

= 0.668248

= 0.67 (to the hundredth)

6 0
3 years ago
What is 4,7,12,19,28 in quadratic form
Naddik [55]
Asked and answered elsewhere.
brainly.com/question/9247314

You obviously don't mind using "technology" (Brainly) to answer these questions. A graphing calculator can do quadratic regression on the sequence and tell you its formula.

If you want to do it by hand, you can write the equation
.. y = ax^2 +bx +c
and substitute three of the given points. Then solve the resulting three linear equations for a, b, and c.
.. 4 = a +b +c
.. 7 = 4a +2b +c
.. 12 = 9a +3b +c

Subtracting the first equation from the other two reduces this to
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The latter can be divided by 2, so reduces to
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Subtracting the first of the reduced equations from this, you have
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so
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.. 0 = b
and
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And your equation is
.. y = x^2 +3 . . . . . . as shown previously

7 0
3 years ago
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