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masha68 [24]
3 years ago
6

citrus weekly wages are $20 less than twice what Mary earns in one week in citra makes $120 a week write and solve an equation t

hat can be used to determine the Mary's weekly wages
Mathematics
1 answer:
kifflom [539]3 years ago
4 0

Answer:

X= Mary’s wages

2x-20=120

Add 20 to both sides

2x=140

Divide both sides by 2

X=70

$70

Step-by-step explanation:

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How kany doulutions does this equation have 25 - 4x=15-3x+10-x
natima [27]
Since it's a one-variable equation, it has only one solution:

25 - 4x = 15 - 3x + 10 - x

25 - 4x + x = 15 - 3x + 10

25 - 3x = 15 - 3x + 10

- 3x = 15 - 3x + 10 - 25

- 3x = 15 - 3x - 15

- 3x + 3x = 15 - 15

0 = 15 - 15

0 = 0




Hope it helped,



BioTeacher101
4 0
3 years ago
UPS charges $6.00 for the first pound, $1.00 for the second pound, and $0.15 for each additional pound. FedEx charges $4.00 for
Pavlova-9 [17]

Answer:

12 pounds

Step-by-step explanation:

We we need to write equations to represent the situation in this problem.

x=weight of package

UPS cost=6+1+0.15(x-2)

UPS cost=6+1+0.15x-0.3

UPS cost=6.7+0.15x

FedEx cost=4+2+.25(x-2)

FedEx cost=4+2+0.25x-0.5

FedEx cost=5.5+0.25x

Next, we can set the two equations equal to each other to solve for x.

6.7+0.15x=5.5+0.25x

6.7+0.15x-5.5=5.5+0.25x-5.5

1.2+0.15x-0.15x=0.25x-0.15x

1.2/0.1=0.1x/0.1

x=12

It takes 12 pounds for the UPS and FedEx packages to cost the same amount to ship.

8 0
3 years ago
Bob's Gift Shop sold 600 cards for Mother's Day. One salesman, Victoria, sold 10% of the cards sold for Mother's Day. How many c
Aleonysh [2.5K]

Answer:

60

Step-by-step explanation:

600*10%

8 0
3 years ago
Which equation illustrates the commutative property of addition?
lbvjy [14]
<span>commutative property of addition
answer is

</span><span>A. 12 + 6 + 15 = 12 + 15 + 6</span>
3 0
3 years ago
Read 2 more answers
HELPPPPP ME GUYSSSS........
tamaranim1 [39]

Answer:

\rm\displaystyle (x  +  2{)}^{2}  + (y  + 5 {)}^{2}  =  {1}^{}

\rm\displaystyle (x - 7{)}^{2}  + (y  + 3{)}^{2}  =  { 7 }

Step-by-step explanation:

<h3>QUESTION-1:</h3>

we are given the center and the redious of a circle equation

remember that,

\rm\displaystyle E _{c} :(x - h {)}^{2}  + (y - k {)}^{2}  =  {r}^{2}

where (h,k) is the centre coordinate and r is redious of the circle

given that, h=-2 , k=-5 and r=1

Thus substitute:

\rm\displaystyle (x - ( - 2){)}^{2}  + (y - ( - 5) {)}^{2}  =  {1}^{2}

simplify:

\rm\displaystyle (x  +  2{)}^{2}  + (y  + 5 {)}^{2}  =  {1}^{}

<h3>QUESTION-2:</h3>

Likewise

\rm\displaystyle E _{c} :(x - h {)}^{2}  + (y - k {)}^{2}  =  {r}^{2}

given that,h=7,k=-3 and r=√7

substitute:

\rm\displaystyle (x - (7{))}^{2}  + (y - ( - 3){)}^{2}  =  { \sqrt{7}  ^{2}   }

simplify:

\rm\displaystyle (x - 7{)}^{2}  + (y  + 3{)}^{2}  =  { 7 }

5 0
2 years ago
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