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2 years ago

8

Between which 2 numbers on a number line will √20 be found?

1 answer:

ehidna [41]2 years ago

4 0

Answer:

C.

Since the square root of 20 is around 4.5, we know that ≈4.5 is almost at the half mark between 4 and 5 on the number line.

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Caroline babysat for two families - the Nelsons and the Smiths. Use the info below to compare her earnings.

algol13

Answer:

She earns $6.50 from the Smiths which is 25 cents more than she earns at the Nelsons.

Step-by-step explanation:

To solve this problem you must find the hourly rate she earns at the Smiths. This will allow you to compare to the hourly rate that is given for the Nelsons. To find the Smiths hourly rate divide $39 by the 6 hours she babysat there. This will have the hourly rate. 39/6=6.5. This means she earns $6.50 an hour for the Smiths. When comparing the rates it is clear that she earned 25 cents more at the Smiths.

7 0

3 years ago

What value of x makes this equation true? 0.6x − 5 = 0.1x + 7

Natali5045456 [20]

Answer: x=24

Step-by-step explanation:Simplifying

0.6x + -5 = 0.1x + 7

Reorder the terms:

-5 + 0.6x = 0.1x + 7

Reorder the terms:

-5 + 0.6x = 7 + 0.1x

Solving

-5 + 0.6x = 7 + 0.1x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-0.1x' to each side of the equation.

-5 + 0.6x + -0.1x = 7 + 0.1x + -0.1x

Combine like terms: 0.6x + -0.1x = 0.5x

-5 + 0.5x = 7 + 0.1x + -0.1x

Combine like terms: 0.1x + -0.1x = 0.0

-5 + 0.5x = 7 + 0.0

-5 + 0.5x = 7

Add '5' to each side of the equation.

-5 + 5 + 0.5x = 7 + 5

Combine like terms: -5 + 5 = 0

0 + 0.5x = 7 + 5

0.5x = 7 + 5

Combine like terms: 7 + 5 = 12

0.5x = 12

Divide each side by '0.5'.

x = 24

Simplifying

x = 24

6 0

4 years ago

Read 2 more answers

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER. Find the value of

iren2701 [21]

Answer:

3

Step-by-step explanation:

Volume of a cone

V = pi x r^2 x h/3

So plug in the values we have

30pi = pi x r^2 x 10/3

30 = r^2 10/3

9 = r^2

3 = r

8 0

2 years ago

Read 2 more answers

Describe a real-life multiplication situation for which an estimate makes sense . Explain why it makes sense

monitta

Answer: Here we have a real life multiplication situation for which an estimate make sense:-

Miley has 212 fiction books. Sharon has 3 times fiction books has many as Miley has, how many fiction books Sharon has

Solution :- Number of fiction books Miley has = 212

Number of fiction books Sharon has= 3 times 212

We know that 212 is near to 200 , so round off 212 to 200 (to the nearest hundred)

Thus the product becomes $3\times200=600$

Therefore, the estimated number of fiction books Sharon has=600

7 0

3 years ago

Please help i need this done asap

ki77a [65]

Answer:

A

Step-by-step explanation:

Using the rules of exponents

$a^{m}$ × $a^{n}$ = $a^{(m+n)}$ , $a^{-m}$ = $\frac{1}{a^{m} }$ , $a^{0}$ = 1

(14x³ $y^{-4}$ )(4 $x^{-5}$ $y^{4}$ )

= 14 × 4 × x³ × $x^{-5}$ × $y^{-4}$ × $y^{4}$

= 56 × $x^{(3-5)}$ × $y^{(-4+4)}$

= 56 × $x^{-2}$ × $y^{0}$

= 56 × $\frac{1}{x^2}$ × 1

= $\frac{56}{x^2}$ → A

8 0

3 years ago