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3 years ago

NEED HELP PLEASE ITS URGENT thanks- BRAINLIST only for correct answers love :) Thank you!!

Mathematics

1 answer:

Rashid [163]3 years ago

8 0

Answer:

true flase true

Step-by-step explanation:

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Jayden buys a game for $10.67 and some batteries for $5.14 he pays with a twenty dollar bill estimate how much change he should

natima [27]

Answer:

4.19

Step-by-step explanation:

If rounded to the nearest dime 4.20

nice

5 0

3 years ago

Which one is a proportion 3/4=12/15, 8/10=6/8,6/9=8/12, or 4/6=9/12

erik [133]

Answer:

6/9 and 8/12 is the answer

Step-by-step explanation:

simplify both ratios

6/9 divide by 3 to =2/3

8/12 divide by 4 to =2/3

7 0

3 years ago

Pls help due in 10 minutes!!!

Luden [163]

Answer:

$\sf 500,000,000,000=5 \times 10^{11}$

$\sf 0.00000000005=5 \times 10^{-11}$

Step-by-step explanation:

Scientific notation

$\large\boxed{a \times 10^n}$

where:

$1\leq a < 10$

$n$ is any positive or negative whole number.

To convert a number into scientific notation, move the decimal point to the left or right until there is one digit to the left of the decimal point.

The number of times you have moved the decimal point is $n$ .

If the decimal point has moved to the left, $n$ is positive.
If the decimal point has moved to the right, $n$ is negative.

To convert 500,000,000,000 into scientific notation, move the decimal point 11 places to left, so a = 5. As we have moved the decimal point 11 places to the left, the exponent "n" is 11 and is positive.

$\implies \sf 500,000,000,000=5 \times 10^{11}$

To convert 0.00000000005 into scientific notation, move the decimal point 11 places to the right, so a = 5. As we have moved the decimal point 11 places to the right , the exponent "n" is 11 and is negative.

$\implies \sf 0.00000000005=5 \times 10^{-11}$

Learn more about scientific notation here:

brainly.com/question/28235385

8 0

2 years ago

Read 2 more answers

A = 10, b = 24, c = _____

Arlecino [84]

Answer:

c=26

Step-by-step explanation:

By using pythagoram thoerem

c^2=a^2+b^2

c^2=(10)^2+(24)^2

c^2=100+576

c^2=676

c=sqrt(676)

c=26

3 0

3 years ago

2. Why does the sin Ɵ = cos (90 – Ɵ)? Show steps

Troyanec [42]

Answer:

R.H.S:

= cos ( 90 - theta )

= cos (90) cos(theta) + sin(90) sin(theta)

= 0 + sin(theta) =>[ cos(90) = 0 , sin(90) = 1]

= sin(theta)

8 0

3 years ago