All categories

2 years ago

What is the value of A and B (5x + b)(5x - b) = ax^2 - 49

Mathematics

1 answer:

Ostrovityanka [42]2 years ago

6 0

Answer:

a=25

b=7

Step-by-step explanation:

You might be interested in

Need help ! <br><br> Which equation could be represented by the number line?

DanielleElmas [232]

Answer:

I think its b

Step-by-step explanation:

7 0

2 years ago

What is the answer to this

blagie [28]

The answer would be -7 n= -7 because a negative times a negative equals a postive

5 0

2 years ago

Read 2 more answers

A merchant is bagging potatoes that he will sell for 5$ a bag. He wants to take in at least 400$ for them. How many bags should

Kitty [74]

400 divided by 5 = 80.

Needs to bag at least 80.

7 0

2 years ago

What is it? Please help

blondinia [14]

Answer:

a math problem lol

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

ABCD IS A TRAPEZIUM <br><br> WORK OUT THE SIZE OF ANGLE CDA.

zvonat [6]

Answer:

The measure of angle CDA is $27.6\°$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABF

Applying Pythagoras Theorem

$A.F^{2}=6.5^{2}-6^{2}$

$A.F^{2}=6.25$

$A.F=2.5\ cm$

In the right triangle CED

$CE=6\ cm$

$ED=23-(9+2.5)=11.5\ cm$

$tan($

substitute the values

$tan($

$($

7 0

2 years ago