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Dovator [93]
4 years ago
11

Which statement is true about the function f(x) minus the square root of x

Mathematics
1 answer:
Fantom [35]4 years ago
5 0
Not sure about this one
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Martha biked 55 miles per day and Enrico biked 145 miles every 3 days. After 6 days, which statement correctly compares the numb
masha68 [24]

Answer:

After 6 days Martha biked 330 miles, while Enrico biked 290 miles.

Step-by-step explanation:

i. Martha bikes 55 miles per day.

So that after 6 days, Martha would have covered;

55 miles x 6 = 330 miles

After 6 days, Martha would have biked 330 miles.

ii. Enrico bikes 145 miles every 3 days.

Then after 6 days, Enrico would have covered;

\frac{6 days}{3 days} x 145 miles

= 2 x 145 miles

= 290 miles

After 6 days, Enrico would have biked 290 miles.

After 6 days Martha biked 330 miles, while Enrico biked 290 miles.

7 0
3 years ago
What's a quarter of 46.5
SCORPION-xisa [38]

Answer:

11.625 or mixed number form 11 \frac{5}{8}

Step-by-step explanation:

divide 46.5 by 4

4 0
2 years ago
margarite owns a boutique. she sells her jewelry at a 30% markup. if she buys a bracelet for $22, what would she sell it for aft
skad [1K]
She would sell it for $26.60 after the markup.
7 0
4 years ago
In three hours, Company ABC can make X ball bearings. Company DEF can make X ball bearings in 4 hours. Company GHI can make X ba
amm1812

Answer:

<em>X ball bearings will be made in 1 hour and 20 minutes</em>

Step-by-step explanation:

<u>Proportions </u>

The proportions give us an important tool to easily solve common problems of any type. We know that:

Company ABC can make X ball bearings in 3 hours.

Company DEF can make X ball bearings in 4 hours.

Company GHI can make X ball bearings in 6 hours.

In one hour, each company can make

ABC: X/3 ball bearings

DEF: X/4 ball bearings

GHI: X/6 ball bearings

Working together, they can make

\displaystyle \frac{X}{3}+\frac{X}{4}+\frac{X}{6}

ball bearings. Operating

\displaystyle \frac{4X+3X+2X}{12}=\frac{9X}{12}=\frac{3X}{4}

If they can make 3/4 of a ball bearing in one hour, then one complete ball bearing will need

\displaystyle \frac{4}{3} hours to complete. It's equivalent to 1 1/3 hours or 1 hour and 20 minutes

X ball bearings will be made in 1 hour and 20 minutes

8 0
3 years ago
If f(x)=x^2-1, what is the equation for f^-1(x)
Alekssandra [29.7K]
Let y = x^2 - 1
x^2 = y + 1

x = sqrt(y + 1)

so f^-1(x)  = sqrt (x + 1)  (answer)
8 0
4 years ago
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