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Pavel [41]
3 years ago
9

Please help me with this.

Mathematics
2 answers:
notsponge [240]3 years ago
7 0

Answer:

2:45

Step-by-step explanation:

The small hand is the hour the big hand is the minute.

The big hand is always multiplied by 5.

9 × 5 = 45

katen-ka-za [31]3 years ago
4 0

Answer:

2:45

Step-by-step explanation:

the tiny hand on the clock represents the hour while the long hand on the clock represents the minute(s).

that being said, the tiny hand is between 2 and 3-we can eliminate c and d.

look at the minute hand. it is on 9, which means 45

we can cross out 3:45 as the hour hand is not between 3 and 4.

this leaves us with 2:45

hope this helps :)

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ms young is making a fruit basket what is the total number of apples ms young sends to her cousins if she puts 2 green apples in
UNO [17]

Answer:

wouldnt it be two

Step-by-step explanation:

if ms.young is make a (1) fruit basket and sends her cousin to put 2 green apples in each basket that would be 2 apples

3 0
3 years ago
The price of a mat is x USD from the start. Write an expression for the price:
Serga [27]

Answer:

Hello good evening friend

5 0
3 years ago
A tree 10 meters high casts a 17.3 meter shadow.
sashaice [31]

Answer:

the angle of elevation of the sun is \approx 30^o

Step-by-step explanation:

Let's make a diagram of the tree, ground and inclination of the rays of the sun, so we understand what right angle triangle we have. Please see the attached image.

Notice that our unknown is the angle \theta, and that we know the size of the side opposite to it, and of the side adjacent to it. Therefore the most convenient trigonometric formula to use is the tangent of the angle because:

tan(\theta)=\frac{opposite}{adjacent} \\tan(\theta)=\frac{10}{17.3}\\\theta=arctan(\frac{10}{17.3})\\\theta\approx 30^o

5 0
3 years ago
On a standardized exam, the scores are normally distributed with a mean of 300 and a standard deviation of 50. Find the z-score
Radda [10]

Answer:

z = -3

Step-by-step explanation:

<u>Use the formula for z-score</u>

z=\frac{x-\mu}{\sigma}\\\\z=\frac{150-300}{50}\\ \\z=\frac{-150}{50}\\ \\z=-3

This tells us that the person's score of 150 puts him/her 3 standard deviations below the mean of 300.

5 0
2 years ago
P and q are complex numbers such that ∣p∣ = 2/5 x + 2 , ∣q∣ = −3/4 x − 1 , and ∣p+q∣ = 2x + 4 .
Leya [2.2K]

Answer: (b)

Step-by-step explanation:

Given

\left |  p\right |=\dfrac{2}{5}x+2

\left |  q\right |=\dfrac{-3}{4}x-1

\left |  p+q\right |=2x+4

for two complex number, z_1,z_2

\left |  z_1+z_2\right |\leq \left |  z_1\right |+\left |  z_2\right |

Apply the above the property

\Rightarrow 2x+4\leq \dfrac{2}{5}x+2-\dfrac{3}{4}x-1\\\\\Rightarrow 2x+4\leq \dfrac{8x-15x}{20}+1\\\\\Rightarrow 2x+3\leq -\dfrac{7x}{20}\\\Rightarrow x\leq -\dfrac{60}{47}

Also, the absolute value of each complex number must be greater than or equal to zero

\text{Case-1}\\\\\Rightarrow \dfrac{2}{5}x+2\geq 0\\\\\Rightarrow x\geq -5\\\\\text{Case-2}\\\\\Rightarrow -\dfrac{3}{4}x-1\geq 0\\\\\Rightarrow x\leq -\dfrac{4}{3}\\\\\text{Case-3}\\\\\Rightarrow 2x+4\geq 0\\\Rightarrow x\geq -2

Taking the intersection of the above values of x, we get

x\in [-2,-\dfrac{4}{3}]  

8 0
3 years ago
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