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mash [69]
3 years ago
6

Can anyone please help me with these.

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
4 0
1,3,4,6,10,5,9,20 and 7 :)
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In the following figure find the area of shaded portion​
Anon25 [30]

Answer:

90 cm²

Step-by-step explanation:

The area of the shaded portion is the area of parallelogram ABCD minus the area of triangle EBC.

ABCD is a parallelogram with base 18 cm and height 10 cm.

A(parallelogram) = bh = (18 cm)(10 cm) = 180 cm²

EBC is a triangle with base 18 cm and height 10 cm.

A(triangle) = bh/2 = (18 cm)(10 cm)/2 = 180 cm²/2 = 90 cm²

shaded area = 180 cm² - 90 cm² = 90 cm²

5 0
3 years ago
Please help! I need to multiply these with step by step work (x^2+2x+8)(x^2-x+1)
olga_2 [115]

Answer:

x^4+x³+7x²-6x+1

Step-by-step explanation:

(x²+2x+8)(x²-x+1)

distribute

x²(x²-x+1)

x^4-x³+x²

2x(x²-x+1)

2x³-2x²+2x

8(x²-x+1)

8x²-8x+1

x^4-x³+x²+2x³-2x²+2x+8x²-8x+1

combine like terms

x^4+x³+7x²-6x+1

4 0
3 years ago
What is the sum of all integers between 19 and 77 squared rooted?
Alchen [17]
12 and the square root of 19
7 0
3 years ago
In 2000, U.S. trade with Saudi Arabia totaled $20.6 billion. Of this total,
xxMikexx [17]

Answer:

30.1%

Step-by-step explanation:

Find the percent that was US exports by dividing 6.2 by 20.6, then multiplying it by 100

(6.2/20.6) x 100

= approximately 30.1

So, approximately 30.1% of the trade was US exports

8 0
3 years ago
Maria invests $1200 at 6% compound interest.
amm1812

Answer:

a.$1,272

b.$1,348

c.$1,429

Step-by-step explanation:

6 0
3 years ago
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