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aksik [14]
3 years ago
6

For his Science project, Timor has 1 pea plant and 3 bean plants. He measures the heights of the plants once a week. This week's

data are shown in the table. Which expression will help him find the average height of the bean plants this week?
A) (10 + 12 + 11 + 20) ÷ 4
B) (12 + 11 + 20) × 3
C) (12 + 11 + 20) – 3
D) (12 + 11 + 20) ÷ 3

Mathematics
2 answers:
pantera1 [17]3 years ago
5 0

Answer:

D.)  (12 + 11 + 20) ÷ 3

Step-by-step explanation:

hodyreva [135]3 years ago
4 0
12+11+24 is 43 and subtract that by 3 which is 40

Answer is C
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jeka57 [31]

Answer:

the first one its true

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7 0
2 years ago
For what value of c will this function have one zero?<br> f(x) = X^2 +c
Phoenix [80]
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And x² + c = 0,  it usually has two zeros which are solutions.

But for when c = 0,

x² + c = 0

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Taking the square root of both sides.

x = 0.  Here it only has one zero.

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6 0
3 years ago
John is twice as old as Mary. The sum of their ages is 21. How old is Mary?
lesya692 [45]
J=john
m=mary
j is 2 times as old as mary
j=2 times m

sum is 21
m+j=21
find mary
subsitute

j=2m therefor subsitute 2m for j
m+2m=21
add like terms
3m=21
divide by 3
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*HOPE I HELPED!*
6 0
3 years ago
The measures of two angles of a triangle are 35° and 45°. what is the measure of the third angle of the triangle?
fgiga [73]
The angles in a triangle add up to 180 so if we add up 35 and 45 we get 80. subtract 80 from 180 and we are left with 100. So the answer is b
6 0
3 years ago
Read 2 more answers
Please explain thank you!
Rus_ich [418]

Answer:

56%

Step-by-step explanation:

To find a percentage, you need to take a ration of the value you want and the total. In this case, 28 is the value and 50 is the total, right? Then, to make it a s

proper percentage, you multiply by 100. As such:

\frac{28}{50}  \times 100 =  \frac{14}{25}  \times 100 = \\  =  14 \times 4 = 56

3 0
3 years ago
Read 2 more answers
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