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4 years ago

8

mr. Johnson was paid $190 for a job that required 40 hours of work. At this rate how much should he be paid for a job requiring

60 hours of work

1 answer:

il63 [147K]4 years ago

4 0

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Math questions!! 30 points

vampirchik [111]

Answer:

Excluded Value : 3 and -5

Step-by-step explanation:

hello :

Excluded Value : and

the excluded value when : x²+2x-15=0

( x²+2x+1)-1-15=0

means : (x+1)²-16=0 (x+1)²-4² = 0

by identity : a²-b² =(a-b)(a+b)

(x+1-4)(x+1+4) =0 so : (x-3)(x+5) =0 means : x-3=0 or x+5=0

x=3 or x= -5

Excluded Value : 3 and -5

5 0

3 years ago

The length of a storeroom is 4and3/5 meters.the storerooms width is 3/4 meter shorter than its length. What is the perimeter of

Vikentia [17]

P=L+W+L+W
P=2(L+W)
add 3 and 3/5 and 3/4
4+3/5+3/4
3/5 times 4/4=12/20
3/4 times 5/5=15/20
4+12/20+15/20=
4+27/20=
4+1+7/20=
5+7/20
P=2(L+W)
P=2(5+7/20)
5=100/20
5+7/20=100/20+7/20=107/20
P=2(107/20)
P=107/10
P=10 and 7/10

perimiter is 10 and 7/10 meters

8 0

3 years ago

Which points is of the ordered pair (-4,2)

avanturin [10]

Answer:2-4

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

3.8 x 102 + 1.7 x 109, giving your answer in standard form

lesantik [10]

Answer:

Step-by-step explanation:

3.8 x 102=387.6

1.7 x 109= 185.3

387.6+185.3=572.9

6 0

3 years ago

Tell whether the angles are complementary or supplementary. Then fir<br> the value of x.

Helga [31]

Answer:

Step-by-step explanation:

4. 10x + 30 = 90

10x = 60

x = 6

complementary

5. 4x + 40 + 3x = 180

7x + 40 = 180

7x = 140

x = 20

supplementary

4 0

2 years ago