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nataly862011 [7]
3 years ago
11

Sandra spent $32 for a purse and buys aCD for $15. Write an expression to represent this problem

Mathematics
2 answers:
Serjik [45]3 years ago
8 0

Answer:

x - ($32 + $15); or x - $32 + $15

Step-by-step explanation:

Spending on the purse and a CD means less cash then the starting amount, x.

igomit [66]3 years ago
5 0

Answer:

$32+ $15=$47

Step-by-step explanation:

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3 years ago
Enter the value for x that makes me he equation 1/2(4x-8)+3x=36 true
faust18 [17]

Answer:

x = 8

Step-by-step explanation:

1/2(4x - 8) + 3x = 36

= 2x - 4 + 3x = 36

= 5x - 4 = 36

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= x = 8

6 0
2 years ago
If time is four hours from now, the time left till midnight would be quarter that if it is one hour from now. What time is it no
lapo4ka [179]

Answer:

The time now is 7 pm

Step-by-step explanation:

Suppose that now is the time T.

We know that:

"if time is four hours from now, the time left till midnight would be a quarter that if it is one hour from now".

Then:

if we define midnight as 12, and we assume that T is in the pm range.

Then the "time left till midnigth, assuming that the time is four hours from now" will be written as (12 - (T + 4))

With this in mind, we can write the problem as:

12 - (T + 4) = (1/4)*( 12 - (T + 1))

Now we can solve this for T.

12 - T - 4 = (1/4)*(12 - T - 1)

8 - T = (1/4)*(11 - T)

4*(8 - T) = 11 - T

32 - 4*T = 11 - T

32 - 11  = -T + 4*T

21 = 3*T

21/3 = T

7 = T

Then T = 7 pm

The time now is 7 pm

7 0
2 years ago
5. Which equation is true when the value of x is -2<br> Helppppp
DENIUS [597]

Answer:

B

Step-by-step explanation:

because 4(x+3)=6x+16 is true

4(-2+3)=6(-2)+16

4(1)= -12+16

4=4

so the equation is true

hope it helped

4 0
2 years ago
I need help with Number 7 please!!!
olga2289 [7]

Answer:

8.06 ft or \sqrt{65}  ft

Step-by-step explanation:

Since Rebecca bought a square table and squares have equal sides, you can take the square root of the area of the table, which gives you \sqrt{65}  ft per side. This can be approximated to 8.06 ft.

8 0
2 years ago
Read 2 more answers
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