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Troyanec [42]
3 years ago
12

Which expression shows the sum 9 + 21 rewritten as a product of the GCF and a sum?

Mathematics
2 answers:
Dima020 [189]3 years ago
8 0

Answer: 3(3+7)

Step-by-step explanation:

3(3+7)

3.3+3.7

9+21

olga_2 [115]3 years ago
3 0

Answer:

3(3 + 7)

Step-by-step explanation:

9 + 21

HCF is 3

3(3 + 7)

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Solve the inequality : 8<=2/3(3y-6)
nydimaria [60]

Answer:

I'm assuming you meant 8\leq \frac{2}{3} (3y-6), if so the answer is \:y\ge \:6\:

Step-by-step explanation:

hope this helps :)

5 0
3 years ago
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Please help me!<br> Hint: the number is negative
wel

Answer:

-36 goes into the box

Step-by-step explanation:

Let the number be x,  then


(m^x)^{\frac{1}{3}}=m^{-12}


We now use the following property of exponents to simplify the left hand side of the equation.

(a^m)^n=a^{mn}

This implies that;

m^{x\times \frac{1}{3}}=m^{-12}


\Rightarrow m^{\frac{x}{3}}=m^{-12}


Since the bases are the same, we equate the exponents to get;


{\frac{x}{3}=-12


We now multiply both sides by 3 to get;


\frac{x}{3}\times 3=-12\times 3


\Rightarrow x =-36


Therefore the number that goes into the box is -36



6 0
3 years ago
out of a group of zebras 6/5 times the square root of the number of zebras are playing on the shore of the tank remaining six ar
MatroZZZ [7]

Answer:

Step-by-step explanation:

(6/5)√x = x - 6

(36/25)x = x² - 12x + 36

0 = x² - 13.44x + 36

x = (13.44 ± √(13.44² - 4(1)(36))) / (2(1))

x = (13.44 ± 6.052569702...) / 2

x = 3.69371... zebras

or

x = 9.74628... zebras

In either case we have some odd fractions of zebras hanging around. This makes me highly suspect that the question is misreported

3 0
2 years ago
A 20 foot ladder is leaning against the side of a building. The bottom of the ladder is 4 feet from the wall. How many feet abov
Semenov [28]
It form a right triangle
legnth of ladder is hypotonuse
bottom of ladder from wall distance is one leg
distance up wall is other leg
a^2+b^2=c^2
c=hypotonuse and a and b are legs

4^2+b^2=20^2
16+b^2=400
minus 16 both sides
b^2=384
sqrt both sides
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aprox
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6 0
3 years ago
Miranda has a bag of marbles with 5 blue marbles, 1 white marbles, and 1 red marbles. Find the following probabilities of Mirand
kvasek [131]

Answer:

(a)\frac{5}{7},\frac{1}{6} (b)\frac{1}{7},\frac{1}{6} (c)\frac{5}{7},\frac{2}{3},\frac{3}{5}

Step-by-step explanation:

GIVEN: Miranda has a bag of marbles with 5 blue marbles, 1 white marbles, and

TO FIND: a) A Blue, then a red Preview

,b)A red, then a white Preview

,c) A Blue, then a Blue, then a Blue.

SOLUTION:

Total marbles in bag =7

(a)

Probability of drawing blue marble =\frac{\text{total blue marble}}{\text{total marbles}}

                                                          =\frac{5}{7}

As marble is not returned to bag,

Probability of drawing red marble  =\frac{\text{total red marble}}{\text{total marbles}}

                                                         =\frac{1}{6}

(b)

Probability of drawing red marble =\frac{\text{total red marble}}{\text{total marbles}}

                                                          =\frac{1}{7}

As marble is not returned to bag,

Probability of drawing white marble  =\frac{\text{total white marble}}{\text{total marbles}}

                                                         =\frac{1}{6}

(c)

Probability of drawing blue marble =\frac{\text{total blue marble}}{\text{total marbles}}

                                                          =\frac{5}{7}

As marble is not returned to bag,

Probability of drawing second blue marble  =\frac{\text{total blue marble}}{\text{total marbles}}

                                                                         =\frac{4}{6}=\frac{2}{3}

As marble is not returned to the bag

Probability of drawing third blue marble   =\frac{\text{total blue marble}}{\text{total marbles}}

                                                                    =\frac{3}{5}

8 0
3 years ago
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