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lutik1710 [3]
3 years ago
13

Solve and simplify. 1/4 x 4/7 A. 5/12 B. 4/28 C. 3/4 D. 1/7

Mathematics
2 answers:
damaskus [11]3 years ago
4 0
1/4 × 4/7 = 4/28

The GCF of 4 and 28 is 4, so we divide 4 from both sides.

4 ÷ 4 = 1

28 ÷ 4 = 7

Answer = 1/7
lawyer [7]3 years ago
3 0
The answer is D. 1/7
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Give the equation for a circle with the given center and radius. Center at (2, -9), radius = 3
olga2289 [7]

Answer:

B

Step-by-step explanation:

The standard form of the equation of a circle is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Here (h, k) = (2, - 9) and r = 3, thus

(x - 2)² + (y - (- 9))² = 3², that is

(x - 2)² + (y + 9)² = 9 → B

8 0
3 years ago
Use the quadratic expression 25x2−y2 to answer the questions.
vova2212 [387]

Answer:

Part A)

This quadratic expression can be factored by using the difference of squares pattern.

Part B) (5x+y) and (5x-y)

Step-by-step explanation:

Given:

25x^2-y^2

above polynomial can be factorize by using difference of squares formula

a2-b2=(a+b)(a-b)

25x^2-y^2= (5x-y)(5x+y)

so for part A)

correct option is  This quadratic expression can be factored by using the difference of squares pattern.

Part B)

As factored above in part A,

the factors of given polynomial 25x^2-y^2 are (5x+y)(5x-y)

so for part B) correct options are (5x+y) and (5x-y) !

8 0
4 years ago
Convert 5820 grams to kilograms.
mr_godi [17]

5.82 Kg

because 1Kg= 1000g

5 0
3 years ago
Find the domain and range of function f(x) is equal to root √x-1
Vladimir79 [104]

Answer:


Step-by-step explanation:

If you meant f(x) = √x - 1, then the domain is [0, infinity).

If you meant f(x) = √(x-1), then the domain is [1, infinity).

When any ambiguity may rear its ugly head, use parentheses, as indicated here.

7 0
4 years ago
Pls help me on this ..<br>​
podryga [215]

Given : Scale drawing of Angel's rectangular room is 5cm by 7 cm

We know that, Area of a rectangle is given by : Length × Width

⇒   Area of Angel's rectangular room = (5 cm × 7 cm) = 35 cm²

Given : The scale is 1 cm = 4 feet

⇒   Area of Angel's rectangular room in square feet = 35 × (4 feet)²

⇒   Area of Angel's rectangular room in square feet = 35 × 16 feet²

⇒   Area of Angel's rectangular room in square feet = 560 feet²

7 0
3 years ago
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