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sladkih [1.3K]
3 years ago
6

13 + 5x - 4y - 8 . I need to simplify the expression

Mathematics
1 answer:
IrinaK [193]3 years ago
6 0

Answer:

5+5x-4y

Step-by-step explanation:

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If u respond in 5 minutes, I will mark u brainly. HURRY!
damaskus [11]

Answer:

A. -1/2

Step-by-step explanation:

(2x+2)^2 - 3(4/3x)=3

x=-1/2

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3 years ago
What is the radius of a circle whose equation is x2 + y2 + 8x – 6y + 21 = 0?
uysha [10]
Radius=2
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4 0
3 years ago
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The two parallel sides of a trapezium are 19.8 and 7.2 and its area is 135 cm²..find its height
Virty [35]

Answer:

10cm

Step-by-step explanation:

the formula for an area of a trapezium:

\frac{(a + b) \times h}{2}  = area

where a and b are the parallel sides and h is the height. equating what we have:

\frac{(19.8 + 7.2) \times h}{2}  = 135

simplify the numerator by adding 19.8 and 7.2=27

\frac{27h}{2}  = 135

multiply both sides by 2

27h = 270

divide both sides by 27

h =  \frac{270}{27}  = 10

the height is 10cm

6 0
3 years ago
PLZ HELP AND EXPLAIN WILL MARK BRAINLYIST!!!!
Basile [38]

Answer:

123456789 the ten dual commandments lol

Step-by-step explanation:

5 0
3 years ago
Spencer made a quilt for his cousin's doll. The quilt had a 7x7 array of different color square patches. If each patch is 1 3/4
Damm [24]

Answer:

\frac{2401}{16} square inches

Step-by-step explanation:

Given:

The quilt made by Spencer had a 7×7 array of different color square patches such that each patch is 1\frac{3}{4} in long.

To find: the area of the whole quilt

Solution:

Side of each quilt = 7(\frac{3}{4})=7(\frac{7}{4})=\frac{49}{4}

Quilt is in the form of a square such that area of square is given by (side)^2

Therefore, area of quilt = (side)^2=(\frac{49}{4})^2 =\frac{2401}{16}  square inches

3 0
4 years ago
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