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vesna_86 [32]
2 years ago
7

Five times the difference of a number, x, and 3 plus 7 is equal to -45.

Mathematics
1 answer:
miskamm [114]2 years ago
7 0

Answer:

5(x-3)+7=-45

Step-by-step explanation:

The only possibly way for 5 to multiply 2 numbers is if those numbers are in parenthesis

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What is n-9 divided by 10=-2
DerKrebs [107]

The value of n is 11.

<u>Step-by-step explanation</u>:

The given expression is (n-9) ÷ 10 = -2

<u>To find the value of n</u> :

  • From the expression, it is determined that (n-9) is the numerator and 10 is the denominator.
  • Cross multiply the denominator in the left side of the expression to the another side.

The expression becomes (n-9) = (10\times -2).

⇒ n-9 = -20

Keep the n term on one side and the constants on other side.

⇒ n = -20+9

⇒ n = -11

Therefore, the value of n is 11.

3 0
3 years ago
Equation álgebra<br> 3x^2 = 12<br> a. +3<br> b. +2<br> C. +3.5<br> d. +1.5
Tom [10]

Answer:

x=-2,2

Step-by-step explanation:

Since this is a quadratic equation, -2 or 2 could be the possible answer

Steps

$3x^2=12$

$\mathrm{Divide\:both\:sides\:by\:}3$

$\frac{3x^2}{3}=\frac{12}{3}$

$\mathrm{Simplify}$

$x^2=4$

$\mathrm{For\:}x^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}x=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}$

$x=\sqrt{4},\:x=-\sqrt{4}$

Show Steps

$\sqrt{4}=2$

Show Steps

$-\sqrt{4}=-2$

$x=2,\:x=-2$

3 0
3 years ago
What is tthe answerto the problem
Lemur [1.5K]

Answer:

g = 5

Step-by-step explanation:

-8 + (-2g) = -18

-8 -2g = -18

-2g = -18+8

-2g = -10

g = -10/-2

g = 5

5 0
3 years ago
Read 2 more answers
Please help me out on this! i really need it!!
NeTakaya
Joni's calculation is the most accurate. Hope my answer helped u :)
5 0
3 years ago
an item is regularly priced at 60$ Carmen bought it at a discount of "70 %" off the regular price. How much did carmen play?
densk [106]
Your answer will be 10 dollars.
3 0
2 years ago
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