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laiz [17]
3 years ago
12

Are x = -4 and x = 6 solutions to 5x + 7 < 22? TRUE OR FALSE

Mathematics
2 answers:
DochEvi [55]3 years ago
4 0

Answer:

x=-4 is true, x=6 is not

Step-by-step explanation:

5x + 7 < 22

Plug in our X values

5(-4) + 7 < 22 ?

solve

-20 + 7 < 22

-13 < 22 ?

x=-4 is true.

Repeat steps from ^

5(6) + 7 < 22

30 + 7 < 22

37 < 22 ?

x=6 is not true.

Hope this helped

Varvara68 [4.7K]3 years ago
4 0

Answer:

False

Step-by-step explanation:

5(-4) + 7 < 22

-20 + 7 < 22

-14 < 22

5(6) + 7 < 22

30 + 7 < 22

37 < 22

The statement would be false because when applying 6 to the equation, the equation becomes false.

On the other hand, when applying -4 to the equation, the equation becomes true, but since both -4 and 6 HAVE to be BOTH solutions to the equation, the statement becomes false.

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25 points
igor_vitrenko [27]
Mona’s mom has baked 40 cookies.
4 0
3 years ago
Type the correct answer in each box.
Likurg_2 [28]

Answer:

-1x - 1

Step-by-step explanation:

the factor of x is the slope of the line in the form of y/x.

it simply says how many units y changes for a given change of x.

in our diagram we can see that when x changes one unit to the right (positive), y changes 1 unit down (negative).

so, the slope or factor of x = -1/1 = -1

and when x=0, y=-1.

so, the constant offset in the line equation is -1 too.

so, it is

y = -x - 1

or as explicit factor for x

y = -1×x - 1

5 0
3 years ago
Bishaar's height is measured at 4.75 feet tall. Express Bishaar's height in meters. Round your answer to the nearest hundredth m
LuckyWell [14K]
To make the conversion, the first thing you should know is that
 1m = 3.28ft
 Then, doing the conversion we have
 (4.75ft / 3.28ft) * (1m) = 1.448170732m
 nearest hundredth
 1.45m
 anwser
 Bishaar's height is1.45m
6 0
4 years ago
Is 3 a solution for -3(x-7+2)=16? If not, find at least one solution
tatyana61 [14]

Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

x= -1/3

Decimal Form:

x= -0.3 repeating

Brainliest?

8 0
3 years ago
Read 2 more answers
The equations y = 5x and y = –1∕5x + 4 represent what types of lines?
docker41 [41]

Answer:

It might be perpendicular lines

Step-by-step explanation:

3 0
3 years ago
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