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2 years ago

NEED HELP ASAP FREE BRAINLIST

Mathematics

1 answer:

Mazyrski [523]2 years ago

4 0

Answer:

D). 10699

Step-by-step explanation:

D is right the math is hard to explain.

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An arithmetic sequence who's first term is -10 and the common difference is -2.

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-10,-12,-14,-16,-18......

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2 years ago

i need to find the area of a rectangle using the formula A=b*h the height is 810 cm the base is 10 meters...i know i need to con

leva [86]

Answer:

81000 $cm^{2}$ or 8.1 $m^{2}$

Step-by-step explanation:

1m = 100cm

10m = 1000cm

a= b*h

a= 1000cm * 810cm

= 810000 $cm^{2}$

1 $m^{2}$ = 10000 $cm^{2}$

810000 $cm^{2}$ = 8.1 $m^{2}$

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3 years ago

Compare 10x(8+2) and 20x(8+2)

Artist 52 [7]

the 20x(8+2) is just two times greater as its 200 instead of 100 which is the other answer

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2 years ago

Z varies jointly with x, and y, and z=7 when x= 2, y= 2 pleasee I need an answer now!!

Elina [12.6K]

Answer:

(7/4)(2)(2)=7

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

1 point

Dimas [21]

Answer:

The simplest radical form is $9\sqrt{5}$ ⇒ (c)

Step-by-step explanation:

To simplify any square root;

Factorize the number under the root using prime numbers

Take out the root any number repeated twice as one number

Examples:

1. Simplify $\sqrt{8}$

factorize 8 using prime numbers

8 = 2 × 2 × 2, then $\sqrt{8}=\sqrt{(2)(2)(2)}$

Take two of 2 out the root, then $\sqrt{8}=2\sqrt{2}$

2. Simplify $\sqrt{18}$

factorize 18 using prime numbers

18 = 2 × 3 × 3, then $\sqrt{18}=\sqrt{(2)(3)(3)}$

Take the two 3 out the root, then $\sqrt{18}=3\sqrt{2}$

Let us simplify $3\sqrt{45}$

∵ 45 = 3 × 3 × 5

∴ $3\sqrt{45}=3\sqrt{(3)(3)(5)}$

→ Take the two 3 out by one 3

∴ $3\sqrt{45}=3(3)\sqrt{5}$

→ Multiply the numbers out the root

∴ $3\sqrt{45}=9\sqrt{5}$

∴ The simplest radical form is $9\sqrt{5}$

8 0

2 years ago