3 years ago

What is the sum of 6 ×10^3 and3×10^2?

Mathematics

1 answer:

Andrews [41]3 years ago

7 0

Answer:

6,300

Step-by-step explanation:

6000+300

expressed as standard form^

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(9+4c)+(2+3x) add timed so hurry!

Luba_88 [7]

Answer: 3x + 4c + 11

Step-by-step explanation: Combine like terms.

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3 years ago

Eric is two years younger than 2 times his sisters age. Write a rule that represent Eric's age a as a function of his sisters ag

Snezhnost [94]

(11•2) - 2 = Eric's Age

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3 years ago

Find f(-2) for the function: f(x)= 3x^2-1, x<1 x+2, x> 1

azamat

F(x) = 3x² - 1
f(-2) = 3(-2)² - 1
f(-2) = 3(4) - 1
f(-2) = 12 - 1
f(-2) = 11

f(x) = x < 1
f(-2) = -2 < 1

f(x) = x + 2
f(-2) = -2 + 2
f(-2) = 0

f(x) = x > 1
f(-2) = -2 > 1
f(-2) = -2 < 1

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3 years ago

Suppose that the function g is defined, for all real numbers, as follows.

svetoff [14.1K]

Answer:

a) g(-2) = 0

b) g(-1) =1

c) g(4) = 2

Step-by-step explanation:

Given data

$g(x) = \frac{-1}{4x+1} if x < -2$

$g(x) = - (x+1)^{2} +1 if -2\leq x\leq 2$

$g(x) = 2 if x >2$

Step( i ):-

$g(x) = - (x+1)^{2} +1 if -2\leq x\leq 2$

put x = -2

$g(-2) = -(-2+1)^{2} +1 = -(-1)^{2}+1 = -1+1 =0$

g(-2) = 0

Step(ii):-

$g(x) = - (x+1)^{2} +1 if -2\leq x\leq 2$

Put x = -1

$g(-1) = -(-1+1)^{2} +1 = -(0)^{2}+1 = -0+1 =1$

g(-1) =1

Step(iii):-

$g(x) = 2 if x >2$

g(4) = 2

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3 years ago

Collette wanted to know if there was a difference in favorite food types among students at her large high school. She took a ran

AleksandrR [38]

Answer:

(29-23)²/23 + (16-23)²/23 + (19-23)²/23 + (28-23)²/23

Step-by-step explanation:

Given :

n(American) = 29

n(Chinese) = 16

n(Mexican) = 19

n(Italian) = 28

Expected value = (29 + 16 + 19 + 28) / 4

Where, 4 = sample size

Expected value, E = 23

χ² = (Observed value - Expected value)² / expected value

χ² = (29-23)²/23 + (16-23)²/23 + (19-23)²/23 + (28-23)²/23

3 0

3 years ago

What is the sum of 6 ×10^3 and3×10^2​​?

What is the sum of 6 ×10^3 and3×10^2?