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3 years ago

Would you rather use color tiles or your ruler to measure the length of an object? Explain your choice.

2 answers:

4 0

A ruler because it gies you the exact measurement in inches, or centimeters and you can always multiply to find out how many feet something is.

zubka84 [21]3 years ago

3 0

I would say a ruler bc it helps u know how long something is and it helps u with way more thing with measuring how long your thing needs to be so I will say ruler

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b)suppose only 1 in every 1,000 stars in the observable universe has a planetary system. how many planetary system are there? Fi

rosijanka [135]

Answer:

Please read below :)

Step-by-step explanation:

so you have 1 in a 1000, or 1/1000. But you're missing a part of the answer. If you post the whole answer I can give you the correct answer :)

5 0

3 years ago

Over which interval is the graph of f(x) = one-halfx2 + 5x + 6 increasing?

kaheart [24]

Answer:

$\large\boxed{x\in[-5,\ \infty)}$

Step-by-step explanation:

$f(x)=\dfrac{1}{2}x^2+5x+6\\\\\text{The coeficient of}\ x^2\ \text{is the positive number. Therefore the parabola is op}\text{en up}.\\\\\text{If a parabola op}\text{en up, then the graph increasing in interval}\ (h,\ \infty),\\\text{and decreasing in interval}\ (-\infty,\ h).\ \text{Where}\ h\ \text{is a first coordinate of a vertex.}\\\\\text{For}\ y=ax^2+bx+c,\ h=\dfrac{-b}{2a}.\\\\\text{We have}\ a=\dfrac{1}{2}\ \text{and}\ b=5.\ \text{Substitute:}\\\\h=\dfrac{-5}{2\left(\frac{1}{2}\right)}=-\cdot\dfrac{5}{1}=-5.$

8 0

3 years ago

Read 2 more answers

Please enter the missing number: 2, 9, 20, 37, 64, 107, ?

k0ka [10]

174 is the missing number

4 0

3 years ago

Which do you think will have a greater value, 1/8 of one pound gold or 1/4 of lead? Why?

Ivenika [448]

<span>if you multiply 1/8 by 4, the fraction become 4/32, and if you multiply 1/4 by 8 you get 8/32.Since both fractions have the same denominator, we can find which fraction has the greater value. Since 1/4(8/32) has a greater numerator, the 1 pound of lead will have a larger value.</span>

4 0

3 years ago

Help please :( 4^5 x 4^ -7 divide by 4^ -2 ?

alexandr1967 [171]

Answer:

4⁻⁴

Step-by-step explanation:

4⁵ × 4⁻⁷ ÷ 4⁻²

⁺ ⁵ ⁻ ⁷

= ⁻²

⁻ ² ⁻ ²

= ⁻ ⁴

4⁻⁴

7 0

3 years ago