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kvasek [131]
3 years ago
14

Expand and reduce: A = – 3 (5 x – 4) B = (2 x – 8) (4 x – 7)

Mathematics
1 answer:
alina1380 [7]3 years ago
5 0

Answer:

A

Step-by-step explanation:

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Joshua has (10+6a^2-5a) dollars in his savings account. Maranda had (4a^2a+3) dollars in her saving account how much more money
solniwko [45]

Answer:

Joshua has 2a^2 -6a + 7 more than Maranda.

Step-by-step explanation:

Joshua has 6a^2 -5a + 10 dollars and Maranda has 4a^2 + a + 3 to find out how much more money Joshua has we need to subtract the amount he has by the amount of Maranda's account. Since both expressions are pollynomial we'll have to subtract the numbers wich are multiplying the same power, so we do as follow:

6a^2 - 5a + 10 - (4a^2 + a + 3)

6a^2 - 5a + 10 - 4a^2 -a -3

6a^2 - 4a^2 -5a -a + 10 -3

2a^2 -6a + 7

Joshua has 2a^2 -6a + 7 more than Maranda.

3 0
3 years ago
Read 2 more answers
Find the slope based on the date below <br> x: -4, 0, 4 8<br> y: 3, 8 13 18<br> HELPPP QUICKK PLZZ
vekshin1

Answer:

The slope is \frac{5}{4}

Step-by-step explanation:

Slope of a dataset:

The slope of a dataset, having two points, is given by the change in y values divided by the change in x values

In this question:

Two points:

x = 0, y = 8

X = 4, y = 13

The slope is:

m = \frac{13 - 8}{4 - 0} = \frac{5}{4}

The slope is \frac{5}{4}

7 0
3 years ago
Determine the equation of the line with slope 3 that passes through the point (2, 0).
Hitman42 [59]

Answer:

m=2y-3

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A bag has 9 blue marbles, 7 red marbles, 4 green marbles
scoundrel [369]

Answer:

7/25

Step-by-step explanation:

First we need to determine how many total marbles

9blue+7red+4green+5purple = 25 marbles

P(red) = red/total

          = 7/25

7 0
3 years ago
Read 2 more answers
Find two consecutive odd integers whose sum is 116 (and please have steps) thank you
matrenka [14]
It's 57 and 59
Call (n) is the first odd interger => the second odd interger is (n+2)
=> n + (n + 2) = 116 
=> n + n + 2 = 116 
=> 2n = 114 
=> n = 57 
First odd interger is 57 and the second odd interger is 59 .
Sorry my English so bad =)))
6 0
3 years ago
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