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3 years ago

Look at this inequality.−0.2x+1.2<1.1

Mathematics

1 answer:

WINSTONCH [101]3 years ago

4 0

Answer:

x > 0.5

Step-by-step explanation:

Given

- 0.2x + 1.2 < 1.1 ( subtract 1.2 from both sides )

- 0.2x < - 0.1

Divide both sides by - 0.2, reversing the symbol as a result of dividing by a negative quantity.

x > 0.5

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If PQR is a triangle,given that /PQ\=15m, /QR\=17m and /RP\=18m.Find the area of the triangle to the nearest whole number.

nydimaria [60]

Answer:

118.3 m²

Step-by-step explanation:

Step 1. Calculate the semiperimeter (s).

s = (p + q + r)/2

s = (17 + 18+ 15)/2

s = 50/2

s = 25 m

===============

Step 2. Calculate the area (A).

Use Heron’s formula:

$A = \sqrt{s(s-p)(s-q)(s-r)}$

$A = \sqrt{25(25-17)(25-18)(25-15)}$

$A = \sqrt{25\times8\times7\times10}$

$A = \sqrt{14 000}$

$A = 20\sqrt{35}$

A = 118.3 m²

3 0

3 years ago

I need this ASAP please

adelina 88 [10]

Answer:

m>2 is the correct answer

5 0

3 years ago

Read 2 more answers

What percent x 2280 = 9744

Burka [1]

well, what is 9,744/2,280? take that and move the decimal point two places to the right to find the answer.

3 0

3 years ago

What doexs this equal: 3ab-9ab+7ab

AfilCa [17]

Answer:

I think that it equals 1ab. Because 3ab - 9ab= -6ab + 7ab= 1ab

8 0

3 years ago

Read 2 more answers

4x + x - 3-9 + 4x = 6 ??

Nookie1986 [14]

Answer:

$x=2$

Step-by-step explanation:

-------------------------

Given:

$4x+x-3-9+4x=6$

---------->>>>

Combine like terms.

$9x-12=6$

---------->>>>

Add 12 to both sides.

$9x=18$

---------->>>>

Divide both sides by 9.

$x=2$

-------------------------

Hope this is helpful.

8 0

2 years ago