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Mathematics

1 answer:

ryzh [129]2 years ago

8 0

Answer:

-2.22, -√3, √9, π, 3.4

Step-by-step explanation:

Hope this helps :)

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Can someone help me out here? +brainliest

natali 33 [55]

Answer:

A) 40

B) length = 4.275 km; not quite true. See below for explanation.

Step-by-step explanation:

A) Your calculator can tell you the ratio ...

(national pennies)/(local pennies) = (8×10⁶)/(2×10⁵)

= (8/2)×10⁶⁻⁵ = 4×10¹ = 40

The national drive collected 40 times as many pennies as the Valley Stream Central goal.

B) Multiplying the number of pennies by the diameter of each will tell the length of the line of pennies. That length can be compared to the 5 km distance to determine if the reporter's statement is true. (It is <em>not</em> true.)

length of string = (length of penny) × (number of pennies)

= (19×10⁻⁶ km) × (2.25×10⁵) = 42.75×10⁻¹ km = 4.275 km

The length of the pennies laid side-to-side is less than 5.0 km. The reporter's statement is not true.

_____

All scientific and graphing calculators and many 4-function calculators will let you enter numbers in scientific notation.

3 0

2 years ago

How do you solve this ?

quester [9]

3x + 7 > 4x + 3

subtract 3x from both sides

7 > x + 3

7 - 3 > x

x < 4

8 0

2 years ago

Find the value of log?

zheka24 [161]

The answer is b ok done

5 0

2 years ago

I need help ASAP <br> Someone please help me questions 7&8

attashe74 [19]

For #7, one line should have the y-intercept of -2 and a slope of 2/3 and the other line's y-intercept is 1 and its slope should be -5.

In the image provided, the red line represents 2/3x - 2 and the blue line represents -5x + 1.

8) Organize the information you are given.

*Savannah is 24 years older than Ryan.

So, Ryan's age + 24 = Savannah's age.

*Sebastian is 5 times as old as Ryan.
So, Ryan's age × 5 = Sebastian's age.

*Savannah and Sebastian are twins. They have the same age.
So, Savannah's age = Sebastian's age

Let x represent Ryan's age.

Write the equation based on the information you are given.

x + 24 = x(5)

x + 24 = 5x

Solution: D) 24 + x = 5x

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2 years ago

The least common denominator of two fractions is 12 If you add the two denominators their sum is 7 What are the denominators

Katarina [22]

4 and 3

The LCM of these two numbers is 12.
Added together, their sum is 7.

4 0

2 years ago