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OleMash [197]
2 years ago
12

PLEASE HELP ONLY ANSWER IF YOU KNOW ITS CORRECT​

Mathematics
1 answer:
sattari [20]2 years ago
3 0

Answer:

D

Step-by-step explanation:

lx+2l+7>10 /-7

lx+2l>3

if x >0, x+2>3 /-2, x>1

if x <0, x+2<-3 /-2, x<-5

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Plz Helppppp Which relation is a function?
gtnhenbr [62]

Option A. is a function...

here For different values of x in Domain of(x,y) ;There is a unique image y in codomain.

All others have more than one image for a single value x.

Hope it helps...

Regards;

Leukoniv/Olegion.

7 0
3 years ago
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Whole-wheat bread costs $2.06/lb. How much would 3.8 lb of whole-wheat bread cost?
Xelga [282]
Whole-wheat bread = $2.06/lb

We need the cost of 3.8 lbs of whole-wheat bread.

So, we simply need to multiply the cost with the amount needed.

(cost per pound) × (amount of bread)

($2.06) × (3.8)

Simplify.

$7.828

Round to the nearest tenths.

$7.83

So, 3.8 pounds of whole wheat bread costs $7.83

~Hope I helped!~


7 0
3 years ago
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Solve the compound inequality 10 &gt;= 7 + 3x and 9-4x&lt;=1 . show steps please.
pav-90 [236]
10 >= 7 + 3x                                              -4x+9<=1
-7 >= -7  - subtract 7                                       -9<=-9   - Subtract 9
__________                                               ___________
3 >=3x  - divide by 3                                       -4x<=-8    - divide by -4

x>=1                                                                      x<=2
5 0
3 years ago
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Tara earns $8.00 per hour for babysitting. Which expression represents how much Tara earns for h hours of babysitting? 4 83​
Westkost [7]

Answer:

Total amount Tara earned for babysitting for h hours = 8h

Step-by-step explanation:

Amount earned per hour for babysitting = $8.00

Number of hours of babysitting = h hours

Total amount Tara earned for babysitting for h hours =

Amount earned per hour for babysitting × Number of hours of babysitting

= 8 × h

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6 0
3 years ago
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Andrew [12]

A) the z score for 95% is 1.96

Multiply by the deviation:

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The interval is (4.0252, 4.0448)

B) 4.035 +/- 1.96 x sqrt( 0.005/sqrt(25))

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Answer: ( 4.033, 4.037)

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4.020 is below the lowest range and 5.055 is higher than highest range.

6 0
3 years ago
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