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Gnom [1K]
3 years ago
5

Please help Thanks.​

Mathematics
2 answers:
Tatiana [17]3 years ago
8 0

The percentage of students that identifies less than 20 flowers is 25% (5+14+6)

25% of 150 is

150\cdot\dfrac{25}{100}=\150\cdot\dfrac{1}{4}=\dfrac{150}{4}=37.5

So, about 38 students identifies 20 or less flowers correctly.

elena55 [62]3 years ago
8 0

Answer:

The answer is 25.

Step-by-step explanation:

It says how many students identified 20 flowers or less which means you have to look at 0-8, 7-13, and 14-20 under "Number of Flowers" So add the number of students under 0-8, 7-13, and 14-20 which is 5, 14, and 6. So the answer comes to 25.

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Simplify (7^5)^3<br> A.7^8<br> B.(1/7)^15<br> C.35^3<br> D.7^15
oksano4ka [1.4K]

Answer:

\red{{7}^{15} }

Step-by-step explanation:

We know that,

{x}^{a}  \times  {x}^{b}  =  {x}^{a + b}  \\ ( {x}^{a} ) ^{b}  =  {x}^{ab}

Accordingly,

( {7}^{5} ) ^{3}  \\  {7}^{5 \times 3}  \\  {7}^{15}

8 0
2 years ago
Brian spends 1/3 on his wages on rent and 1/4 on food. If he makes £576 per week, how much money does he have left
natta225 [31]

Answer:

Step-by-step explanation:

Money spent on rent =1/3 of $576= 1/3×576= $192

Money spent on food = 1/4 of 576 = 1/4×576 =$144

Money left = 576-(192+144)=

=576-336= $240

5 0
3 years ago
The slope of a line that is perpendicular to a line whose slope is -2/7 is
Masteriza [31]
The answer is C.

Perpendicular lines have opposite reciprocal slopes. That means one is negative and the other is positive, and the fractions are flipped.
8 0
3 years ago
Read 2 more answers
A deep sea driver descended from a rock with an elevation of -45.5 feet to a coral reef with an elevation of -88.5 feet. How far
vlada-n [284]

Answer:

43 feet

Step-by-step explanation:

How far is referring to the distance between the two numbers given.

In general, the distance between two numbers, a and b,

is given by |b-a| .

You have that you are finding the distance between -45.5 ft and -88.5 ft.

So the distance between those numbers is given by:

|-45.5-(-88.5)|

|-45.5+88.5|

|88.5-45.5|

|43.0|

|43|  

43      (Since the number inside the | | has a distance of 43 from 0)

The distance between -45.5 ft and -88.5 ft is 43 ft.

7 0
3 years ago
Question : <br> 3x-9y+12=?
PSYCHO15rus [73]
Simplifyiing 
the greatest common factor is 3  so 

3x - 9y + 12 = 3(x - 3y + 4)
5 0
3 years ago
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