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irina [24]
3 years ago
10

Solve 8 + 3 = −13, for each step, identify the property used

Mathematics
1 answer:
Verizon [17]3 years ago
3 0

Answer:

-2

Step-by-step explanation:

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Please help me with this question. I’ll give you Brainliest.
Stella [2.4K]

Answer:

Five

Step-by-step explanation:

A quart is 4 cups

4x5 is 20

3 0
3 years ago
(3, -2) belongs to the solution set of the system of inequalities given below:
Gennadij [26K]

Answer:

true

Step-by-step explanation:

no explanation but its true.

3 0
3 years ago
Which expressions are equivalent to 1−2x−1.7 ?
siniylev [52]

Step-by-step explanation:

if there are no typos, then the second and the fourth answers are correct.

1 - 1.7 = -0.7 or -2×0.35

-2x = -2(x)

8 0
2 years ago
Whats 5(3× + 4) - 3 (-2× +11)
denpristay [2]

Answer:

21x+53

Step-by-step explanation:

8 0
3 years ago
The area of the right triangle shown is 24 square feet.
Stolb23 [73]

Given : A  = 24 sq feet

A = 0.5 base x height

base = x , height = x+2

A = 0.5 x(x+2)  = 24 sq feet

1) 0.5 x(x+2) = 24 (A)

2) x^2 + 2x - 48 = 0 (D)

To check the rest un-wrap the bracket:

x^2 + (x+2)^2 = 24

x^2 + x^2 + 4 + 4x = 24

2x^2 + 4x - 20 = 0

x^2 + 2x - 10= 0 (NO)

Likewise:

x^2 + (x+2)^2 = 100

x^2 + x^2  +4 + 4x = 100

2x^2 + 4x + 4 = 100

2x^2 + 4x - 96 = 0

3) x^2 + 2x - 48 = 0 (F)

To sum up: that's what apply:

1) 0.5 x(x+2) = 24 (A)

2) x^2 + 2x - 48 = 0 (D)

3) x^2 + 2x - 48 = 0 (F)

6 0
3 years ago
Read 2 more answers
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