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enot [183]
3 years ago
10

Need help please! On this math question

Mathematics
1 answer:
andrey2020 [161]3 years ago
7 0

Answer:

B 2+-5=-3

Step-by-step explanation:

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In a class of 20 students 11 people have a brother 9 people have a sister 6 people have neither fill in the Venn diagram
Contact [7]

Answer:

Draw a Venn diagram with the left circle labeled brother, and the right labeled sister. Label the middle both and fhe outisde neither. Put 5 in brother, 3 in sister, 6 in both and 6 in neithrr.

Step-by-step explanation:

11+9 = 20

20-6 = 14

20-14=6

There are 6 that have both

7 0
2 years ago
NEED HELP PLEASE
Tom [10]

Answer:

f^-1(x) = (x + 3)^1/3 + 2

Step-by-step explanation:

..................................................

6 0
2 years ago
Josephine wrote the number 1-100 and placed them in a bag. If she selects a number without looking, what is the probability that
nirvana33 [79]
22% since 100-78 is 22 so that is the percentage of numbers between 78 and 100
6 0
3 years ago
Which equation represents a line which is perpendicular to the line 4x + 3y = - 24 ?
Scorpion4ik [409]

Answer:

C

Step-by-step explanation:

4x+3y=-24

eq. of any line perpendicular to given line is

3x-4y=a

4y=3x-a

y=3/4x -a/4

where a is an arbitrary constant.

4 0
3 years ago
Re-write the equation without the h component.
levacccp [35]

Answer:

f(x) = 2[\frac{3^x}{9}] + 2

f(x) = 8(4)^x

Step-by-step explanation:

Given

f(x) = 2(3)^{x-2} + 2

f(x) = \frac{1}{2}(4)^{x+2}

Required

Remove the h component

In a function, the h component is highlighted as:

f(x) = a^{x+h}

So, we have:

f(x) = 2(3)^{x-2} + 2

Split the exponents using the following law of indices:

a^m/a^n = a^{m-n}

f(x) = 2*\frac{3^x}{3^2} + 2

f(x) = 2*\frac{3^x}{9} + 2

f(x) = 2[\frac{3^x}{9}] + 2

<em>The h component has been removed</em>

f(x) = \frac{1}{2}(4)^{x+2}

Split the exponent using the following law of indices

a^{m+n} =a^m * a^n

So, we have:

f(x) = \frac{1}{2}(4)^x * 4^2

Express 4^2 as 16

f(x) = \frac{1}{2}(4)^x * 16

Divide 16 by 2

f(x) = 8(4)^x

3 0
2 years ago
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