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2 years ago

There is multiple questions here please help me

Mathematics

2 answers:

olasank [31]2 years ago

7 0

1. A
2. C
3. B
4. C
5. B

Colt1911 [192]2 years ago

4 0

1. a. Unique Solution

2. a. Unique Solution

3. b. No Solution

4. c. Infinitely Many Solutions

5. b. No Solution

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Factor –7x3 21x2 3x – 9 by grouping. what is the resulting expression?

MakcuM [25]

The resulting expression on factorization by grouping method is (3-7x²)(x-3).

<h3>What is Factorization?</h3>

Factorization is a method in which an Integer or an expression is written in terms of product of its fractions.

The expression given in the question is

–7x³ + 21x² + 3x – 9

This equation has to be factorized using grouping method.

group of two or more is formed and common term is taken out.

-7x² (x -3) +3(x-3)

( -7x²+3) (x-3)

(3-7x²)(x-3)

The resulting expression on factorization by grouping method is

(3-7x²)(x-3).

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1 year ago

Please help it's mathswatch so need reason I will mark u brainliests help please

Orlov [11]

Answer:

angle BAD = 180 -2x

angle BCD = x given

angle BCD is an inscribed angle

angle DOB = 2 (angle BCD)

angle BAD = 180 -angle DOB 2 tangent theorem

5 0

2 years ago

For the graphed function f(x) = (4)x − 1 + 2, calculate the average rate of change from x = 1 to x = 2.

lorasvet [3.4K]

Average rate of the function: 3

Step-by-step explanation:

The function in this problem is

$f(x)=4^{x-1}+2$

The average rate of change of a function over an interval $(x_1,x_2)$ is given by

$r=\frac{f(x_2)-f(x_1)}{x_2-x_1}$

where

$f(x_1),f(x_2)$ are the values of the function calculated in $x_1,x_2$ respectively

For the function in this problem we have:

$x_1=1$ , so

$f(x_1)=f(1)=4^{1-1}+2=4^0+2=1+2=3$

$x_2=2$ , so

$f(x_2)=f(2)=4^{2-1}+2=4^1+2=4+2=6$

So, the average rate of change is

$r=\frac{6-3}{2-1}=\frac{3}{1}=3$

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2 years ago

Pls find x will give brainliest

nasty-shy [4]

Answer:

Step-by-step explanation:

they are the same triangle look at corresponding sides. 9+9=18

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3 years ago

Help me with number one

tamaranim1 [39]

Answer:

C. √5

Step-by-step explanation:

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3 years ago

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