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nata0808 [166]
3 years ago
13

13. which equation has no solution ?

Mathematics
2 answers:
Tresset [83]3 years ago
8 0

a) 8 -5v-3 = 5v-5

-5v+5 = 5v-5

identity

b) 3m-6 =4m+7

has 1 solution

c) 2w +4 = 5w -2w +4

 2w+4 = 3w+4

w=0

one solution

d)  7y+9 = 7y-6

subtract 7y from each side

9=-6  impossible

no solution

Choice D


Lana71 [14]3 years ago
8 0
The answer is letter D
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Naddika [18.5K]

Answer:

8.944271909999

Step-by-step explanation:

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6 0
2 years ago
Read 2 more answers
4(x−2+y)<br> It's for khan academy
inessss [21]
The answer is 4x-8+4y i think?
4 0
3 years ago
A) Expand and simplify (x + 4)(x-7)<br>​
saveliy_v [14]

Answer:

Expanded:x²-7x+4x-28

Simplified: x²-3x-28

Step-by-step explanation:

7 0
3 years ago
A manufacturer of screened sweatshirts includes a shipping charge of $5.99 on all online orders. Customers also pay 2.5% tax on
ankoles [38]

Answer:

t = 1.025c + 5.99

Step-by-step explanation:

Recall : general for of a linear equation is given by :

y = mx + c

Given the following :

Item cost = c

Shipping charge = $5.99

Tax on purchases = 2.5%

Total cost, t

t = c + tax + shipping cost

Tax on purchase : 2.5% * item cost ; 0.025c

Shipping = $5.99

Hence,

Total cost, t = c + 0.025c + 5.99

t = 1.025c + 5.99

8 0
2 years ago
Match the rate - - .75 -- with corresponding time of year
vovikov84 [41]

Answer: C. Nine Months, 9/12 = 9÷12 = 0.75

Step-by-step explanation:

Hi, to answer this question we have to convert the fraction into decimals and compare:

A. Three Months, 1/4 = 1÷4 = 0.25

B. Six Months, 6/12 = 6÷12 =0.5

C. Nine Months, 9/12 = 9÷12 = 0.75

D. 1 Month, 1/12 =1÷12 = 0.083333

C. Nine Months, 9/12 = 9÷12 = 0.75

Feel free to ask for more if needed or if you did not understand something.

6 0
3 years ago
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