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SpyIntel [72]
3 years ago
15

a park plants youn maple trees.a maple tree grows the rate of 1 1/2 feet per year how tall will the tree be in 20 years

Mathematics
1 answer:
rosijanka [135]3 years ago
8 0

Answer:

it will grow 30 ft in 20 years

Step-by-step explanation:

the height will equal the growth rate times the time

height = 1.5 ft/year * 20 year

height = 30 ft

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What is the value of the expression? 6 • 2³ -(4² + 7)
atroni [7]

Answer:

25

Step-by-step explanation:

pemdas

parentheses- 4 to the 2nd power is 16, 16 + 7 is 23.

exponents- 2 to the 3rd power is 8.

multiplication- 6 x 8 is 48

so then its easy from there. its 48 minus 23, which equals 25

3 0
3 years ago
in abc the measure of angle a is 2x+3, the measure of b is 4x+2, the measure of c is 2x-1. What are the measures of the angles?
Mama L [17]
The measures of the angles in a triangle add up to 180°.
2x+3+4x+2+2x-1=180 \\
8x+4=180 \ \ \ |-4 \\
8x=176 \ \ \ |\div 8 \\
x=22 \\ \\
2x+3=2 \times 22+3=44+3=47 \\
4x+2=4 \times 22+2=88+2=90 \\
2x-1=2 \times 22-1=44-1=43

The measures of the angles are 43°, 47° and 90°.
5 0
3 years ago
At the local aquarium there are 10 dolphins 8 penguins and 4 whales what is the ratio of penguins to whales
juin [17]
A ratio compares two quantities.

penguins = 8
whales = 4

8:4 , now simplify

8/4 = 2
4/4 = 1

2:1 is the ratio.

Final answer: 2:1
5 0
3 years ago
Read 2 more answers
 (<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" id="TexFormula1" title=" x^{2} " alt=" x^{2} " align="absmiddle" class="l
Alisiya [41]
(x^2-3x+2)-1(3x^2-5x-1)=
x^2-3x+2-3x^2+5x+1=
x^2-3x^2-3x+5x+2+1=
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4 0
4 years ago
Read 2 more answers
Ach one of the following conclusions has been made by children and adults. For which ones can you find a counterexample? (Select
FrozenT [24]


A) Yes; counterexample: Tripling 3 and adding one results in the number 10

B) No counterexample possible

C) No counterexample possible

D) No counterexample possible

E) Yes; counterexample: Squaring 7 results in the number 49

5 0
3 years ago
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