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Artemon [7]
3 years ago
6

Hello any help would be appreciated ❤ Thank you ❤

Mathematics
2 answers:
Alex787 [66]3 years ago
7 0
I know that B) is 3,500. the exact form for A) is 4.5x 10 to the power of 11 or 450000000000
Veseljchak [2.6K]3 years ago
7 0
Yep totally right :-)
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StartFraction one-half left-parenthesis x plus 12 right-parenthesis equals 4 x minus 1.(x + 12) = 4x – 1
Alika [10]

Answer:

1/2.(x+12)=4x-1

x+12=2(4x-1)

x+12=8x-2

Group like terms

12+2=8x-x

14=7x

Divide both sides by 7

x=2

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Next number in sequence 3 -6 12 4 20 ?
Artyom0805 [142]
-6 - 3 = -9
12 - (-6) = 18
4 - 12 = -8
20 - 4 = 16
The first difference is -9. The third difference is -8.
Maybe the fifth difference is -7.
That makes the next term 13.

<span>3, -6, 12, 4, 20, 13</span>
8 0
3 years ago
SOMEONE PLEASE HELP MEEE!!!! HOW DO YOU DO THIS
UkoKoshka [18]

Answer:

A. 162 m²

Step-by-step explanation:

==>Given:

Isosceles trapezoid with:

base a = 19m

base b = 35m

Perimeter = 74meters

==>Required:

Area of trapezoid

==>Solution:

Recall: the length of the legs of an isosceles trapezoid are equal.

Perimeter of isosceles trapezoid = sum of the parallel sides + 2(length of a leg of the trapezoid)

Let l = leg of trapezoid.

Perimeter = 74m

Sum of parallel sides = a+b = 19+35 = 54m

Thus,

74 = 54 + 2(l)

74 - 54 = 2(l)

20 = 2(l)

l = 20/2 = 10m

Let's find area:

Area = ½(a+b)*h

a = 19

b = 35

h = ?

Using Pythagorean theorem, let's find h as follows:

h² = l² - [(35-19)/2)²

h² = 10² - [16/2]²

h² = 100 - 64

h² = 36

h = √36 = 6m

Area = ½ x (a+b) × h

= ½ × (19+35) × 6

= ½ × 54 × 6

= 27 × 6

Area = 162m²

6 0
3 years ago
What is the answer to this equation 5×.4x=10
oksano4ka [1.4K]

The answer to this equation is x=5.

6 0
3 years ago
Read 2 more answers
PLEASE HELP PEOPLE!!!!!
Pavel [41]

4 rectangles are 6 x 4

4 triangles are 4x 4

1 square is 6x 6

Area :

6 x 4 = 24 x 4 = 96

1/2 x 4 x 4 = 8 x 4 = 32

6 x 6 = 36

96 + 32 + 36 = 164 square inches.

The answer is A

7 0
3 years ago
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