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Dafna1 [17]
3 years ago
5

Evaluate the following expression: 3 + 2(4 + 7)

Mathematics
2 answers:
o-na [289]3 years ago
6 0

Answer:

The answer is 25

2(4+7)

8+14 + 3 = 25

Step-by-step explanation:

Romashka [77]3 years ago
5 0

Answer:

25

Step-by-step explanation:

Let's simplify this, while still doing it.

3 + 2(4 + 7)

3 + 2(11)

3 + 22

25.

the answer is 25!!

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More on Areas. Farmer Jones, and his wife, Dr. Jones, both mathematicians, decide to build a fence in their field to keep the sh
Olin [163]

Answer:

Area covered by the fences will be 16.1 unit²

Step-by-step explanation:

Let the first parabola is represented by the function f(x) = 6x²

and second parabola by g(x) = x² + 9

point of intersection of the graphs will be determined when f(x) = g(x)

6x² = x² + 9

5x² = 9

x² = 1.8

x = ± 1.34

Now we will find the area between these curves drawn on the graph.

Area = \int_{-1.34}^{1.34}[f(x)-g(x)]dx=\int_{-1.34}^{1.34}[6x^{2}-(x^{2}+9)]dx

= \int_{-1.34}^{1.34}(5x^{2}-9)dx

= [\frac{5}{3}x^{3}-9x]_{-1.34}^{1.34}

= [\frac{5}{3}(-1.34)^{3}-9(-1.34)-\frac{5}{3}(1.34)^{3}+9(1.34)]

= [-4.01+12.06-4.01+12.06]

= 16.1 unit²

6 0
3 years ago
Which statements are true? Check all that apply.
Dvinal [7]

Answer:

3is the answer because t

s apply

Step-by-step explanation:

3 0
2 years ago
Which sampling would be appropriate to survey 120,000 people?
kipiarov [429]

Answer: Id say b

Step-by-step explanation: a would be too high and a bit too detailed. Whereas c and d will be inaccurate.

8 0
3 years ago
Use the Pythagorean Theorem to find the missing length and then round the result to the nearest tenth.
motikmotik
A^2+B^3=c^2
6^2+8^2=c^2
36+16=c^2
52=c^2
Square root both sides
7.2=C
6 0
2 years ago
How many minutes are there from 01:33hr to 03:18hr on the same day​
goldfiish [28.3K]
3:18-1:33=188 so I think that’s ur answer
3 0
2 years ago
Read 2 more answers
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