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2 years ago

Katarina uses fraction strips to show how many thirds are in 4/6.Is Katarina's model correct?Explain

Mathematics

1 answer:

Mariulka [41]2 years ago

8 0

I cant see the model but 2/3 is the same as 4/6

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If f(x) =x 2 + 10, what is f (-5)?

lisov135 [29]

Answer:

f(-5) = 35

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Function Notation

Step-by-step explanation:

Step 1: Define

f(x) = x² + 10

f(-5) is x = -5

Step 2: Evaluate

Substitute: f(-5) = (-5)² + 10
Exponents: f(-5) = 25 + 10
Add: f(-5) = 35

7 0

2 years ago

What is the area of an equilateral triangle with a side length of 14 inches?

lidiya [134]

The equation for a equilateral triangle is the side squared times root 3 divided by 4

6 0

3 years ago

Math again sadly i need help on

dalvyx [7]

Answer:

13x+12

Step-by-step explanation:

27x-14x=13

+12 because there is nothing else there

5 0

3 years ago

Read 2 more answers

What is -2 1/3 - (-5)=

Archy [21]

Answer:

$\frac{8}{3}$

Step-by-step explanation:

$- 2 \frac{1}{3} - ( - 5)$

convert mixed fraction into improper fraction.

$- \frac{7}{3} + ( - 5)$

calculate the sum of the fraction:

$\frac{8}{3}$

6 0

2 years ago

Q.5(b) The population {(P) in millions} of a country is estimated by the function, P=125e0.035t, t = time measured in years sinc

nekit [7.7K]

Answer:

Hello,

Step-by-step explanation:

Q.5(b) The population {(P) in millions} of a country is estimated by the function, P=125e0.035t, t = time measured in years since 1990. (a) what is the population expected to equal in year 2000 (b) determine the expression for the instantaneous rate of change in the population (c) what is the instantaneous rate of change in the population expected to equal in year 2000.

$P(t)=125*e^{0.035*t}\\a)\\P(2000)=125*e^{0.035*(2000-1990)}=177.38...\\\\b)\\P'(t)=125*0.035*e^{0.035*t}\\\\c)\\\\P'(2000)=125*0.035*e^{0.035*(2000-1990)}=6.2084...$

5 0

2 years ago