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3 years ago

Factors of 121 what do you think ???

Mathematics

1 answer:

suter [353]3 years ago

6 0

Step-by-step explanation:

$121 = 11 \times 11$

1, 11 and 121

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A jar contains 4 red and 8 blue marbles a marble is drawn from the jar what is the probability that a red marble is drawn ?

frosja888 [35]

There is a 1/3 chance that a red marble would be chosen.

To find out you put add up the marbles, so they will make 12 marbles.

Since there are 4 red you put 4/12.

4/12 simplified is 1/3.

So the chance of a red marble being picked is 1/3.

5 0

3 years ago

Y>-3x +3 y≥ 2x-2 O (1,0) O (-1,1) O(2,2) (0,3)

Ainat [17]

Answer:

(1,0)

Step-by-step explanation:

y>-3x +3

y≥ 2x-2

If we plot these two inequalities, we can see where the lines intersect, See attached graph.

They intersect at (1,0)

We can also do this mathematically:

y>-3x +3

- (y≥ 2x-2)

0 $\geq$ -5x + 5

5x $\geq$ 5

x $\geq$ 1

If x = 1:

y≥ 2x-2

y≥ 2(1)-2

y≥ 0

(x,y) = (1,0)

3 0

2 years ago

Gwen volunteered to work at the ticket booth for her school's Halloween carnival. The chart below gives the number of hours Gwen

baherus [9]

The answer should be D if I’m wrong

4 0

3 years ago

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Estimate the part of the garden that is planted with tomatoes. Explain how you decided.

strojnjashka [21]

Answer:

Therefore $tomatoes\hspace{0.1cm} patch = \frac{3}{8}\hspace{0.1cm}of\hspace{0.1cm} garden$

Step-by-step explanation:

i) from the figure shown pumpkins and lettuce seem to make up half of the of the garden

ii) the other half of the garden seems to be tomatoes and cucumber.

iii) tomatoes seems to be 3 times that of cucumber.

iv) therefore we can say that tomatoes would make up three fourths of half of the garden which would equal to three eights of the garden.

$tomatoes\hspace{0.1cm} patch = \frac{3}{8}\hspace{0.1cm}of\hspace{0.1cm} garden$

3 0

3 years ago

What is : (49^x)(7^x^2)=2401^2

ludmilkaskok [199]

$(49^x)(7 ^{x^2})=2401^2 \\ \\( (7^2)^x)(7 ^{x^2})= (7^4) ^2 \\ \\ 7 ^{2x}\cdot 7^{x^2}=7^{8} \\ \\ 7 ^{2x+x^2} =7^{8} \\ \\2x+x^2 =8$

$x^2-2x-8 = 0\\ \\ a=1, \ b=-2, \ c=-8 \\ \\\Delta =b^2-4ac = (-2)^2 -4\cdot1\cdot (-8) = 4 +32 =36 \\ \\x_{1}=\frac{-b-\sqrt{\Delta} }{2a}=\frac{2-\sqrt{36}}{2 }=\frac{ 2-6}{2}=\frac{-4}{2}=-2 \\ \\x_{2}=\frac{-b+\sqrt{\Delta} }{2a}=\frac{2+\sqrt{36}}{2 }=\frac{ 2+6}{2}=\frac{8}{2}= 4 \\ \\Answer: \ x=-2 \ \ or \ \ x=4$

7 0

4 years ago

Read 2 more answers