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olganol [36]
3 years ago
7

Simplify the expression (16-9)7/[(3+4)2]2

Mathematics
1 answer:
sergey [27]3 years ago
7 0
It is 7, i am pretty sure.
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Someone please help I'll give brainliest for questions 11 and 12
Nostrana [21]

Answer:

Step-by-step explanation:

11.

to find floor area:

= 8 x 8

= 64

= Floor is 64m.

to find carpet: 8 x 8 x 75%

= 64 x 75%

= 64 x 0.75

= 48

a. The dimensions of the carpet are probably 8 by 8.

b. The area of the floor not covered by carpet is 64, hence 8 x 8.

12.

A perfect square is a square that has demensions that is a number multiplied by itself.

Eight times eight fits the requirements, so this square is in fact perfect.

Have a lovely day!

4 0
3 years ago
Comporueba si las siguientes fracciones son equivalentes.
NikAS [45]

Answer:

No sé si este es un problema de opción múltiple, pero tanto (A) como (B) son fracciones equivalentes.

Step-by-step explanation:

4 0
3 years ago
Point C has the coordinates (–1, 4) and point D has the coordinates (2, 0). What is the distance between points C and D? units
maw [93]

Answer:

5 units

Step-by-step explanation;

We can use the formula for finding the length or magnitude of line joining two points.

Length = √((x2-x1)² + (y2-y1)²)

The points joining the line are C (-1,4) and D (2,0)

Length = √((2+1)² + (0-4)²)

            = √((3²) + (-4)²)

            = √ (9+16)

            = √25

            = 5 units

8 0
3 years ago
Read 2 more answers
Find the area of the trapezoid below.
kvasek [131]
18 cm doing the same thing rn
3 0
3 years ago
Given the Universal Set = {a, b, c, d, e, f, g, h, i, j, k} and the following subsets:
Murljashka [212]

Given B = {a, c, e, g, i, k} and C = {h, i, j, k}, we have

C' = {a, b, c, d, e, f, g}

so that

B U C' = {a, b, c, d, e, f, g, i, k}

and so

n(B U C') = 9

8 0
2 years ago
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