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emmasim [6.3K]
3 years ago
12

What does 20% of 35 equal? Answer

Mathematics
2 answers:
Sholpan [36]3 years ago
8 0
I thinks believe it's 7
marta [7]3 years ago
7 0

To find that, multiply the percent IN DECIMAL FORM by 35.

20%= 0.20


35*0.20=7.

20 percent of 35 is 7.

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The population of a country increased by an average of 2% per year from 2000 to 2003. If the population of this country was 2 00
shutvik [7]

Answer:

the answer is 1852 000

3 0
4 years ago
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Use the value of the first integral I to evaluate the two given integrals. I = integral^3_0 (x^3 - 4x)dx = 9/4 A. integral^3_0 (
Troyanec [42]

Answer:

A) -9/2

B) 9/4

C) -9/2, same as A)

Step-by-step explanation:

We are given that I=\int_0^3 x^3-4x dx=9/4. We use the properties of integrals to write the new integrals in terms of I.

A) \int_0^3 8x-2x^3 dx=\int_0^3 -2(x^3-4x) dx=-2\int_0^3 x^3-4x dx=-2I=-9/2. We have used that ∫cf dx=c∫f dx.

B) \int_3^0 4x - x^3 dx=-\int_0^3 (4x-x^3) dx=\int_0^3-(4x-x^3) dx=\int_0^3 x^3-4x dx=I=9/4. Here we used that reversing the limits of integration changes the sign of the integral.

C) It's the same integral in A)

4 0
3 years ago
Multiplier of 5/7=30/42
tankabanditka [31]

Answer:

6

Step-by-step explanation:

5*6=30

7*6=42

5 0
3 years ago
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Exponential function: f(x) = 5 ∗ <img src="https://tex.z-dn.net/?f=3%5E%7Bx%7D" id="TexFormula1" title="3^{x}" alt="3^{x}" align
Vesnalui [34]

Answer:

See below.

(I only answered the first one b/c the second log function doesn't really make sense, sorry!)

Step-by-step explanation:

1. f(x) = 5 × 3^{x}

Plug in 5 points.

x = -2, f(x) = \frac{5}{9}

x = -1, f(x) = \frac{5}{3}

x = 0, f(x) = 5

x = 1, f(x) = 15

x = 2, f(x) = 45

2. Attached below.

3. Increasing

4. Domain: x = all real numbers

Range: f(x) > 0 (because the line never goes below the x-axis)

3 0
3 years ago
What is the sum of the series?
lana66690 [7]

Answer:

44

Step-by-step explanation:

substitute k = 1, 2, 3, 4 into 2k² - 4 and sum the terms

k = 1 : 2(1)² - 4 = 2 - 4 = - 2

k = 2 : 2(2)² - 4 = 8 - 4 = 4

k = 3 : 2(3)² - 4 = 18 - 4 = 14

k = 4 : 2(4)² - 4 = 32 - 4 = 28

sum = - 2 + 4 + 14 + 28 = 44

8 0
3 years ago
Read 2 more answers
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