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Lyrx [107]
2 years ago
14

Can somebody pls help​

Mathematics
1 answer:
Delvig [45]2 years ago
6 0
The answer is A domain
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Help me with this question please
docker41 [41]

7x/x-4 * x/x+7

mutiply the numerators together

(7x)(x)= 7x^ 2

mutiply the denominators together

(x-4)(x+7)

(x)(x)(7)(x)= x^2+7x

(-4)(x)(-4)(7)= -4x-28

x^2+7x-4x-28

x^2+3x-28

Answer:

7x^2/x^ 2+3x-28

6 0
2 years ago
Write 0.87 as a fraction in simplest form.
TEA [102]
Write the decimal number as a fraction
(over 1)
0.87 = 0.87 / 1

Multiplying by 1 to eliminate 2 decimal places
we multiply top and bottom by 2 10's

Numerator (N)
N = 0.87 × 10 × 10 = 87
Denominator (D)
D = 1 × 10 × 10 = 100

N / D = 87 / 100

Simplifying our fraction

= 87/100

<span>= 87/100</span>
8 0
3 years ago
Which measurement is greater:640 ft or 0.5 mi
hammer [34]

Answer:

0.5 mi (2640 feet)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How many 2/3 cups servings are in a 4 cup container of food
tatyana61 [14]
2/3×4= 2 2/3
the answer is 2 cups container of food
6 0
2 years ago
Read 2 more answers
B) If a, b, c are three rational numbers where a =
olga55 [171]

Step-by-step explanation:

a =

a = 3

3,6 = and c =

olů

what is this please write this clearly

5 0
2 years ago
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