PLEASE HELP ME IT WILL MEAN ALOT TO ME ILL MARK YOU AS A BRILLIANT

Answers

Answer 1

Answer:

Answer:

(a) 0.00000221 (b) 4.2 x $10^(5)$

Step-by-step explanation:

(a) $10^(-6)$ means you need to move the decimal left (because of the negative) 6 spaces. So you have 2.21 move the decimal 6 spaces left and you end up with 0.00000221

(b) If you have 420,000 and you count 5 spaces from the last number, that leaves the decimal inbetween the 4 and 2 so your answer will be 4.2 x $10^(5)$

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Consider the following set of equations: Equation A: y = 2x + 4 Equation B: y = 3x + 1 Which of the following is a step that can be used to find the solution to the set of equations? 2x + 4 = 3x + 1 2x = 3x + 4 2x + 4 = 3x 2x + 1 = 3x + 4
Draw a figure composed of three different rectangles that has a perimeter of 140 yards. Use measurement in yards and feet to able the sides of your figure
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To the nearest pound Jon has £9 to the nearest 50p Ellie has £6.50 work out the possible total amount of money

5/6+3/7 in simplest fom

Answers

Get a common denominator:

5/6*7/7=35/42

3/7*6/6=18/42

Add the numbers:

35/42+18/42=53/42

This fraction does not simplify, so 53/42 is our final answer.

5/6 + 3/7

Common denominator is needed.

5/6 = 35/42
3/7 = 18/42

Now add

35 + 18 = 53

53/42
53 - 42 = 11

1 and 11/42

Calculate ten minus four point three five

Answers

the answer is five point six five, 5.65

Final answer:

To calculate ten minus four point three five, you subtract 4.35 from 10. The result of this calculation is 5.65.

Explanation:

To calculate ten minus four point three five, you simply subtract 4.35 from 10. This is a basic math operation, and can be solved on a calculator or by hand. If you are performing the operation by hand, you align the numbers vertically by their decimal points and subtract normally, remembering to carry over any values from the right of the decimal point:

10.00
- 4.35
----------
5.65

So, ten minus four point three five equals 5.65.

Learn more about Subtraction here:

brainly.com/question/20438352

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The circumference of a circle of diameter 10 cm is _____.A
3.14 cm
B
0.314 cm
C
314 cm
D
31.4 cm

Answers

For a circle with a diameter of 10 cm, the circumference would be C = π(10) = 31.4 cm. The correct option is (D) 31.4 cm.

The circumference of a circle can be calculated using the formula C = πd, where C represents the circumference and d represents the diameter of the circle.

We have the diameter of the circle is 10 cm, we can substitute this value into the formula:

C = π * 10 cm

Calculating the circumference using an approximate value of π as 3.14:

C ≈ 3.14 * 10 cm

C ≈ 31.4 cm

Therefore, the circumference of a circle with a diameter of 10 cm is approximately 31.4 cm.

The correct answer is D) 31.4 cm.

To know more about circumference refer here :

brainly.com/question/28757341#

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If r =9, b=5, and g = -6, what does (r + b - g)(b + g) equal?

Answers

remember
-(-x)=+x since negatives cancel
and
+(-x)=-x

try to simplify parenthaseess first

r=9
b=5
g=-6
(r+b-g)(b+g)
(9+5-(-6))(5+-6)
(9+5+6)(5-6)
(14+6)(-1)
(20)(-1)
-20

(9+5+6)(5-6)

(20)(-1)

= -20

I hope that's help:0

Which unit would you use to measure the length of a football field?mm
cm
m
km

Answers

✔mm (milometer) ✅ yea

The graph shows the data points in the table and the exponential regression model associated with the data. A 2-column table with 5 rows. The first column is labeled days after treatment with entries 2, 4, 6, 8, 10. The second column is labeled number of weeds with entries 100, 26, 6, 2, 1. A graph shows days after treatment labeled 1 to 11 on the horizontal axis and number of weeds on the vertical axis. A line shows a downward trend. Based on the graph of the regression model, which is true? The number of weeds is decreasing by a multiplicative rate. The number of weeds is increasing by a multiplicative rate. The number of weeds is decreasing by an additive rate. The number of weeds is increasing by an additive rate.

Answers

Answer: Option A

The number of weeds is decreasing by a multiplicative rate.

Step-by-step explanation: Took the quiz on edge

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