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Anuta_ua [19.1K]
4 years ago
15

What is 11 divided by -7/9 ?

Mathematics
2 answers:
Sidana [21]4 years ago
4 0
11/(-7/9) =
11 x (-9/7) =
-99/7 or -14 1/7
Lostsunrise [7]4 years ago
3 0
The answer is -14.14285714285714
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SNACKS The face of the popcorn box can be modeled with an isosceles trapezoid with QR=3x+2.5, RS=9x−4.8 , ST=4x−2 , and QT=6x+1.
Lemur [1.5K]

Answer:

TQ=SR [since it is isosceles trapezoid]

6x+1.2=9x-48

48+1.2=9x-6x

3x=49.2

x=49.2/3=16.4

now

QR=3×16.4+2.5=51.7

SR=9×16.4-48=99.6

ST=4×16.4-2=63.6

TQ=6×16.4+1.2=99.6

4 0
3 years ago
Read 2 more answers
I need help with two algebra problems please!
postnew [5]
Fisrst one is just add the functions

(f+g)(x)=f(x)+g(x)=
8x^2+16x+6+x^3-3x^2-9=
(f+g)(x)=x^3+5x^2+16x-3



multiply
ok

f(x)g(x)=(x^3-4x+2)(x^2+2)
just multiply and expand yourself because I don't have my graphing calculator with me right now
8 0
3 years ago
How do you subtract rational expressions without a common denominator?
zubka84 [21]
You would have to make common denominators
consider a/b,c/d in Q
then a/b - c/d = ad/db - cb/bd = (ad-cb)/db for all a,b,c,d in R, exclude b,d=0
i.e. 1/2 - 1/4
=4/8 - 2/8 =(4-2)/8=2/8 =1/4
4 0
3 years ago
50 POINTS The line contains the point (-8,7) and is perpendicular to 3x+2y=-7 The equation of the line is:
kipiarov [429]
The answer is definitely going to be a good day for y’all to do a lot more work
3 0
3 years ago
The probability that a plant is edible is 4/5 and the probability that a plant grows at a constant rate and is edible is 14/19.
miskamm [114]

Answer: Probability that a plant grows at a constant rate, given it is edible is given by \frac{35}{38}.

Step-by-step explanation:

Let B be an event that getting a plant grows at a constant rate.

Since we have given that

The probability that a plant is edible is given by

P(A)=\frac{4}{5}

The probability that a plant grows at a constant rate and is edible is given by

P(A\cap B)=\frac{14}{19}

We will use "Conditional probability ", i.e.

P(A\mid B)=\frac{P(A\cap B)}{P(A)}

P(A\mid B)=\frac{\frac{14}{19}}{\frac{4}{5}}\\\\P(A\mid B)=\frac{14\times 5}{19\times 4}\\\\P(A\mid B)=\frac{70}{76}\\\\P(A\mid B)=\frac{35}{38}

Hence, Probability that a plant grows at a constant rate, given it is edible is given by \frac{35}{38}.

8 0
4 years ago
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