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igor_vitrenko [27]
3 years ago
12

Multiply the binomials. ​ ​(x−7)(x+3)

Mathematics
2 answers:
Natasha2012 [34]3 years ago
7 0

Answer: =

x

2

−

4

x

−

21

Step-by-step explanation: (

x

+

3

)

.

(

x

−

7

)

=

(

x

)

.

(

x

−

7

)

+

(

3

)

.

(

x

−

7

)

GenaCL600 [577]3 years ago
7 0

ANSWER

x^2-4x-21

EXPLAIN

First expand the brackets by multiplying the number from the first bracket to the second bracket

you will get this = x^2 + 3x- 7x- 21 ,then u collect the like terms which is (3x & -7x).

your answer ( x^2 - 4x - 21 ).

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What is the range?<br> 5 7 10 7 3 10 9 1 1 6
fenix001 [56]

Answer:

9

Step-by-step explanation:

10-1=9 thats how you find the range you do the highest number then the lowest number after that you subtract it

4 0
3 years ago
Read 2 more answers
Fing an equation of the line that passes through (5, 7) and is perpendicular to y=5x-9
Lunna [17]
Since it’s perpendicular tu have to flip the slope and change the sing which in this case would be -1/5
Then you put the equation together:
y-7=-1/5(x-5)
Distribute:
y-7=-1/5x+1
Add the 7 to both sides of the equation:
y-7=-1/5x+1
+7 +7
And the final answer is: y=-1/5+8
7 0
4 years ago
a wooden box has external dimensions 40 cm by 34 cm by 30 cm. if the wood is 1 cm thick how many cm3 of wood is used in it ?​
Westkost [7]

Answer:

6752 cm³ of wood

Step-by-step explanation:

V = 40cm×34cm×30cm = 40800 cm³

v = 38cm×32cm×28cm = 34048 cm³

V - v = 40800cm³ - 34048cm³ = 6752 cm³ of wood

7 0
3 years ago
Read 2 more answers
How many solutions does each equation below have? how can you tell?
Vikki [24]
A) This one has no solutions because the answer of the equation is 0=-1 which isn't true.

b) 6t-3=3t+6  ==>  3t=9  ==>  t=3  This means that this has one solution.

c) 6 (2m-3)-3m=2m-18+m  ==> 12m-18=2m-18+m  ==> 9m=0  ==> m=0 so this one has no solutions. 

d) 10+3y-2=4y-y+8  ==>  8+3y=3y+8  ==>   0=0 ==> Infinitely many solutions.

~Hope I helped!~
8 0
3 years ago
Use the equation below to find y, if m =6, x = 3, and b = 5.<br><br> y = mx + b
Troyanec [42]
The answer is y = 24
6 0
3 years ago
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