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solniwko [45]
2 years ago
13

-3/4 × -5/7 = -15/28Agree or Disagree​

Mathematics
2 answers:
antiseptic1488 [7]2 years ago
7 0

Answer:

disagree

Step-by-step explanation:

zhenek [66]2 years ago
6 0
Disagree there ya go
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Question #2 What is the difference?​
e-lub [12.9K]

Answer:

B  \frac{b-10}{b-1}

Step-by-step explanation:

In order to get the same denominator, we need to multiply the second fraction by (b+2) in the numerator and denominator.

We will end up in something like this :\frac{b^{2} - 2b - 8 -6(b+2) }{(b-1)(b+2)}

I just timed the second fraction by b+ 2 and then i added them together.

Therefore, we will get \frac{b^{2} - 8b - 20}{(b-1)(b-2)}

now factoring the numerator we will end like this

\frac{(b-10)(b+2)}{(b-1)(b+2)}

we will then end up with the answer.

Hope this helps.

3 0
3 years ago
Divide 50 by half and add 20 and <br> multiply by 2
aivan3 [116]

The value of the expression will be equal to 145.

<h3>What is an expression?</h3>

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that make an expression for divide 50 by half and add 20 and multiply by 2.

The expression will be solved as below,

E = 50/2 + 25 x 2 + 50 + 20

Solve the above expression by PEMDAS,

E = 25 + 50 + 70

E = 145

To know more about an expression follow

brainly.com/question/25968875

#SPJ2

8 0
1 year ago
Read 2 more answers
LOOK HOW MANY POINTS!!! PLEASE HELP ASAP A cell phone company tests 75 cell phones and finds that 3 of them have defects. Out of
kozerog [31]

Answer:

Out of 450 phones 18 of them will have a defect.

Step-by-step explanation:

As we know that out of 75 phones 3 of them will have a defect, this means that we are able to calculate how many defects there will be from 450 phones. You can do this by first dividing 450 by 75, this gives you 6. This means that 75 will go into 450 6 times.

From this we are able to work out the number that will have defects. This is because we know that 75 goes into 450 6 times and that for each 75 phones there will be 3 defects. So to work out the number of phones out of 450 that would be defects you would simply multiply 3 by 6, this gives you 18. This shows that out of 450 phones 18 of them will have a defect.

1) Divide 450 by 75.

450/75=6

2) Multiply 6 by 3.

6*3=18

3 0
3 years ago
The data value x exists in two data sets: A and B. The mean is equal for both data sets. If the standard deviation for set A is
liubo4ka [24]

Answer:

answer is B

it is less than Zx for set B

Step-by-step explanation:

7 0
2 years ago
Suppose I pick a jelly bean at random from a box containing eight red and four blue ones. I record the color and put the jelly b
Verdich [7]
I am not sure about this but in my opinion it would be 32 sorry if It's wrong. I hope this helped! :)
(I couldn't understand the question correctly)
7 0
3 years ago
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