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Lady_Fox [76]
3 years ago
13

Factor the four-term polynomial ab + ac - 4b - 4c

Mathematics
1 answer:
Troyanec [42]3 years ago
5 0
A b + a c - 4 b - 4 c = a ( b + c ) - 4 ( b + c ) = 
= (b + c) (a - 4)
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Please help me best answer gets an brainlist !!!
RideAnS [48]

The answer is the range of (50, 70, 90, 110).

5 0
3 years ago
A toll collector on a highway receives ​$8 for trucks and ​$7 for cars. At the end of a 33​-hour ​period, she collected ​$296. H
frosja888 [35]

Answer:

The required list is: 0 car and 37 truck; 8 car and 30 truck; 16 car and 23 truck; 24 car and 16 truck; 32 car and 9 truck;

Step-by-step explanation:

Consider the provided information.

A toll collector on a highway receives ​$8 for trucks and ​$7 for cars, at the end she collected ​$296.

Let t represents the number of trucks and c represents the number of cars pass through highway.

8t+7c=296

8t=296-7c

t=37-\frac{7c}{8}

The number of trucks should be natural number.

Substitute c=0 in t=37-\frac{7c}{8}

t=37-\frac{7(0)}{8}

t=37

Substitute c=8 in t=37-\frac{7c}{8}

t=37-\frac{7(8)}{8}

t=37-7

t=30

Substitute c=16 in t=37-\frac{7c}{8}

t=37-\frac{7(16)}{8}

t=37-14

t=23

Substitute c=24 in t=37-\frac{7c}{8}

t=37-\frac{7(24)}{8}

t=37-21

t=16

Substitute c=32 in t=37-\frac{7c}{8}

t=37-\frac{7(32)}{8}

t=37-28

t=9

Hence, the required list is: 0 car and 37 truck; 8 car and 30 truck; 16 car and 23 truck; 24 car and 16 truck; 32 car and 9 truck;

8 0
3 years ago
simplify the expression by combining the terms, write the terms from highest to the lowest power of the variable 4y^2+y^2-3y-6+1
Artyom0805 [142]
You have to combine like terms.

Like terms are those with the same letters raised to the same power.

These are the sums of the like terms:

1) 4y^2 + y^2 + 14y^2 = 19y^2

2) - 3y + 4y - 7y = - 6y

3) - 6 - 2 = - 8

Simplified expression: 19y^2 - 6y - 8<------------ answer
4 0
4 years ago
What does congruent mean
AysviL [449]

Answer:

If two figures have the same size and shape, then they are congruent. so if they have the same shape and size even if they are flipped or mirrored they are congruent.

Step-by-step explanation:

The term congruent is often used to describe figures like this, the pictire below. if you look up congruent shapes and look at many examples that will definitely help you understand alot more better what congruent means.

5 0
3 years ago
Which survey is biased?
scoundrel [369]

Answer:

b

Step-by-step explanation:

alotta ppl go to the mall cuz they like to shop there, so if u ask ppl at the mall their fav place to shop, many will say "the mall"

4 0
3 years ago
Read 2 more answers
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