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r-ruslan [8.4K]
2 years ago
8

Is this correct? Please help! It’s multi solution

Mathematics
1 answer:
Gwar [14]2 years ago
4 0

Answer:

-3, -1, and 0.

Step-by-step explanation:

Anything from -4 and lower makes it false. So, -8 would have to be unselected. And -3 would have to be selected.

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Please help I need this soon
Leya [2.2K]

Answer:

Option (3) will be the answer.

Step-by-step explanation:

Area of a triangle = \frac{1}{2}(\text{Base})\times (\text{Height})

                             = \frac{1}{2}(AB)(CD)

Since, m∠A + m∠B + m∠C = 180°

60° + 60° + m∠C = 180°

m∠C = 180° - 120°

m∠C = 60°

Therefore, ΔABC is an equilateral triangle.

AB ≅ BC ≅ AC ≅12

Sin 60° = \frac{CD}{BC}

\frac{\sqrt{3}}{2}=\frac{CD}{12}

CD = 6√3

Now area of ΔABC = \frac{1}{2}(6\sqrt{3})(12)

                                = 36\sqrt{3}

                                = 62.35

                                ≈ 62.4 square units

Therefore, Option (3) will be the answer.

5 0
3 years ago
Help solve plz thanks
padilas [110]
The answer is :

b = t - 5 / 4
5 0
3 years ago
Read 2 more answers
A bowl has 8 green grapes and 15 red grapes. Henry randomly chooses a grape, eats it, and then chooses another grape....
frosja888 [35]

Answer:

About 41.5%

Step-by-step explanation:

<em>Given:</em>

<em>A bowl has 8 green grapes and 15 red grapes. Henry randomly chooses a grape, eats it, and then chooses another grape.</em>

<em>To Find:</em>

<em>What is the probability that both grapes are red?</em>

<em>Answer choices:</em>

<em>about 39.7%</em>

<em>about 41.5%</em>

<em>about 42.5%</em>

<em>about 44.5%</em>

<em>Solution:</em>

<em>Since, there are 8 green grapes and 15 red grapes, the total number of grapes is 23 .</em>

<em>As the red grapes are 15..</em>

<em>Thus,</em>

<em>The probability of choosing a red grape the first time is 15/23.</em>

<em>Because out of the total 23 grapes only 15 were red grape.</em>

<em>The probability of choosing the red grape the second time will be 14/22. Because the number of red grapes has already decreased by one and so is the total number of grapes after first choice</em>

<em>Hence, the probability of choosing or eating two red grapes will be :</em>

<em>15/23×14/22</em>

<em>=105/253</em>

<em>=0.415</em>

<em>= 41.5%</em>

<em>Therefore, the probability that both grapes are red is about 41.5%</em>

5 0
2 years ago
3 to the 3rd power - 4 + 5 to the 2nd power​
AnnZ [28]

Answer:

48

Step-by-step explanation:

(3^3)-4+(5^2)

27-4+25

23+25

48

6 0
3 years ago
What is the surface area of the box if it is scaled up by the factor of 10 and the surface area is 16in
algol [13]
If each linear dimension is scaled by a factor of 10, then the area is scaled by a factor of 100. This is because 10^2 = 10*10 = 100. Consider a 3x3 square with area of 9. If we scaled the square by a linear factor of 10 then it's now a 30x30 square with area 900. The ratio of those two areas is 900/9 = 100. This example shows how the area is 100 times larger.

Going back to the problem at hand, we have the initial surface area of 16 square inches. The box is scaled up so that each dimension is 10 times larger, so the new surface area is 100 times what it used to be

New surface area = 100*(old surface area)
new surface area = 100*16
new surface area = 1600

Final Answer: 1600 square inches

3 0
3 years ago
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